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• You might sometimes need to run a few of the major Linux utilities on your windows system that are not present in a windows system. Stylus rmx sage converter lion air. In that case, you probably need a virtual machine which can help you run all such Linux application, software, and utilities without even disturbing or making any changes to your windows system. The Linux emulator for windows is such a virtual machine that can help you run Linux on windows side by side. There is a wide range of Linux emulators available for windows. Here we are sharing top Linux emulators online that can help you work on Linux with windows.

  DeSmuME is a free and open source MAC emulator for Windows computer. It’s cross-platform software. DeSmuME supports dual screen, screenshots, documentation, etc. You can also play Nintendo DS games using DeSmuME. It’s one of the best free MAC emulator software for Windows, Wii, AmigaOS 4, MAC OS X and Linux.

  Related:

  Cygwin

  Cygwin gives you a simple and powerful way to run your major Linux applications on a windows system. With this Linux emulator, you can make native windows apps aware of Linux functionality and thus while running Linux functions on windows you will have a Linux native system feeling. Get downloaded online.

  Cooperative Linux

  Cooperative Linux is a free and open source Linux emulator for windows that lets you run your Linux applications on windows natively. With this emulator, you can run Linux applications on windows 2000, XP, Vista and 7 without using any commercial PC virtualization software. It is also referred as coLinux. Available online for download.

  Winehq

  Winehq is basically a compatibility layer rather than an emulator which lets you run windows applications on Linux system. In addition to Linux, it helps you in running windows apps on Mac OSX, BSD, and more POSIX compliant operating systems. It translates windows API calls to POSIX calls thus cleanly integrating applications into your desktop.

  Linux Emulator for Windows

  Download this Linux emulator for windows and run your major Linux applications on windows systems. This is an open source program that runs in a user mode. It emulates Linux system calls on an open source layer and thus ports Linux programs under windows. So just get this wonderful software downloaded for your windows system.

  Xshell

  Xshell is a powerful terminal emulator that works wonderfully in making major Linux apps native or known to windows systems. It supports SSH, TELNET, RLOGIN, SFTP, and SERIAL. Its various features include tabbed environment, custom key mapping, dynamic port forwarding, user defined buttons, VB scripting and more. Get downloaded online.

  ZOC

  ZOC is a professional and powerful SSH/telnet client and terminal emulator that is compatible with windows 10 and OS X El Capitan. This emulator makes it quite simple to access hosts and mainframes via telnet, secure shell, serial cable, modem and more. Thus you can comfortably run your Linux applications on your windows system using this software.

  Indigo Terminal Emulator

  Indigo Terminal Emulator is one of the top and premier terminal emulator software for windows systems. This helps to emulate Linux applications and make them run in windows. This software enables communication between the serial terminal and telnet. It is supported by windows XP, vista, 7, windows 2003 server and more.

  Espxe – Most Popular Software

  Epsxe is one of the most popular and powerful Linux emulators for windows that lets you enjoy major Linux applications and utilities on your windows system with the same features, speed and feeling that you would have on a Linux system. With this system, there would not be any changes in your windows programs their speed and all.

  What is Linux Emulator for Windows?

  No matter how advanced popular operating system we are running, we may often need several applications like games or software from old operating system to be run on our windows system. It doesn’t make sense to keep a different system with Linux operating system to just run such applications. Add last modified date excel. You can also see IOS Emulator for Windows

  So Linux emulators have been developed to help your windows system communicate with Linux applications and make them run on your windows system. These systems do not cause any harm to your current applications of your windows systems. So find suitable Linux emulator for windows free download and enjoy your Linux applications on a windows system.

  You can find the suitable Linux emulator online from the above list we have provided and can easily make your Linux applications run on your windows system. All these software are tested and trusted by millions of people around the world and thus are secure and reliable enough to try on any of your windows systems.

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  The Azure Cosmos Emulator provides a local environment that emulates the Azure Cosmos DB service for development purposes. Using the Azure Cosmos Emulator, you can develop and test your application locally, without creating an Azure subscription or incurring any costs. When you\'re satisfied with how your application is working in the Azure Cosmos Emulator, you can switch to using an Azure Cosmos account in the cloud.

  You can develop using Azure Cosmos Emulator with SQL, Cassandra, MongoDB, Gremlin, and Table API accounts. However at this time the Data Explorer view in the emulator fully supports clients for SQL API only.

  How the emulator works

  The Azure Cosmos Emulator provides a high-fidelity emulation of the Azure Cosmos DB service. It supports identical functionality as Azure Cosmos DB, including support for creating and querying data, provisioning and scaling containers, and executing stored procedures and triggers. You can develop and test applications using the Azure Cosmos Emulator, and deploy them to Azure at global scale by just making a single configuration change to the connection endpoint for Azure Cosmos DB.

  While emulation of the Azure Cosmos DB service is faithful, the emulator\'s implementation is different than the service. For example, the emulator uses standard OS components such as the local file system for persistence, and the HTTPS protocol stack for connectivity. Functionality that relies on Azure infrastructure like global replication, single-digit millisecond latency for reads/writes, and tunable consistency levels are not applicable.

  You can migrate data between the Azure Cosmos Emulator and the Azure Cosmos DB service by using the Azure Cosmos DB Data Migration Tool.

  You can run Azure Cosmos Emulator on the Windows Docker container, see the Docker Hub for the docker pull command and GitHub for the Dockerfile and more information.

  Differences between the emulator and the service

  Because the Azure Cosmos Emulator provides an emulated environment running on the local developer workstation, there are some differences in functionality between the emulator and an Azure Cosmos account in the cloud:

  • Currently Data Explorer in the emulator supports clients for SQL API. The Data Explorer view and operations for Azure Cosmos DB APIs such as MongoDB, Table, Graph, and Cassandra APIs are not fully supported.
  • The Azure Cosmos Emulator supports only a single fixed account and a well-known master key. Key regeneration is not possible in the Azure Cosmos Emulator, however the default key can be changed using the command-line option.
  • The Azure Cosmos Emulator is not a scalable service and will not support a large number of containers.
  • The Azure Cosmos Emulator does not offer different Azure Cosmos DB consistency levels.
  • The Azure Cosmos Emulator does not offer multi-region replication.
  • As your copy of the Azure Cosmos Emulator might not always be up-to-date with the most recent changes in the Azure Cosmos DB service, you should refer to the Azure Cosmos DB capacity planner to accurately estimate the production throughput (RUs) needs of your application.
  • When using the Azure Cosmos Emulator, by default, you can create up to 25 fixed size containers (only supported using Azure Cosmos DB SDKs), or 5 unlimited containers using the Azure Cosmos Emulator. For more information about changing this value, see Setting the PartitionCount value.

  System requirements

  The Azure Cosmos Emulator has the following hardware and software requirements:

  • Software requirements
    • Windows Server 2012 R2, Windows Server 2016, or Windows 10
    • 64-bit operating system
  • Minimum Hardware requirements
    • 2-GB RAM
    • 10-GB available hard disk space

  Installation

  You can download and install the Azure Cosmos Emulator from the Microsoft Download Center or you can run the emulator on Docker for Windows. For instructions on using the emulator on Docker for Windows, see Running on Docker.

  Note

  To install, configure, and run the Azure Cosmos Emulator, you must have administrative privileges on the computer. The emulator will create/add a certificate and also set the firewall rules in order to run its services; therefore it\'s necessary for the emulator to be able to execute such operations.

  Running on Windows

  To start the Azure Cosmos Emulator, select the Start button or press the Windows key. Begin typing Azure Cosmos Emulator, and select the emulator from the list of applications.

  When the emulator is running, you\'ll see an icon in the Windows taskbar notification area.

  The Azure Cosmos Emulator by default runs on the local machine (\'localhost\') listening on port 8081.

  The Azure Cosmos Emulator is installed to C:Program FilesAzure Cosmos DB Emulator by default. You can also start and stop the emulator from the command-line. For more information, see the command-line tool reference.

  Start Data Explorer

  When the Azure Cosmos Emulator launches, it automatically opens the Azure Cosmos Data Explorer in your browser. The address appears as https://localhost:8081/_explorer/index.html. If you close the explorer and would like to reopen it later, you can either open the URL in your browser or launch it from the Azure Cosmos Emulator in the Windows Tray Icon as shown below.

  Checking for updates

  Data Explorer indicates if there is a new update available for download.

  Note

  Data created in one version of the Azure Cosmos Emulator (see %LOCALAPPDATA%CosmosDBEmulator or data path optional settings) is not guaranteed to be accessible when using a different version. If you need to persist your data for the long term, it is recommended that you store that data in an Azure Cosmos account, rather than in the Azure Cosmos Emulator.

  Authenticating requests

  As with Azure Cosmos DB in the cloud, every request that you make against the Azure Cosmos Emulator must be authenticated. The Azure Cosmos Emulator supports a single fixed account and a well-known authentication key for master key authentication. This account and key are the only credentials permitted for use with the Azure Cosmos Emulator. They are:

  Note

  The master key supported by the Azure Cosmos Emulator is intended for use only with the emulator. You cannot use your production Azure Cosmos DB account and key with the Azure Cosmos Emulator.

  Note

  If you have started the emulator with the /Key option, then use the generated key instead of C2y6yDjf5/R+ob0N8A7Cgv30VRDJIWEHLM+4QDU5DE2nQ9nDuVTqobD4b8mGGyPMbIZnqyMsEcaGQy67XIw/Jw. For more information about /Key option, see Command-line tool reference.

  As with the Azure Cosmos DB, the Azure Cosmos Emulator supports only secure communication via TLS.

  Running on a local network

  You can run the emulator on a local network. To enable network access, specify the /AllowNetworkAccess option at the command-line, which also requires that you specify /Key=key_string or /KeyFile=file_name. You can use /GenKeyFile=file_name to generate a file with a random key upfront. Then you can pass that to /KeyFile=file_name or /Key=contents_of_file.

  To enable network access for the first time the user should shut down the emulator and delete the emulator\'s data directory (%LOCALAPPDATA%CosmosDBEmulator).

  Developing with the emulator

  SQL API

  Once you have the Azure Cosmos Emulator running on your desktop, you can use any supported Azure Cosmos DB SDK or the Azure Cosmos DB REST API to interact with the emulator. The Azure Cosmos Emulator also includes a built-in Data Explorer that lets you create containers for SQL API or Cosmos DB for Mongo DB API, and view and edit items without writing any code.

  Azure Cosmos DB\'s API for MongoDB

  Once you have the Azure Cosmos Emulator running on your desktop, you can use the Azure Cosmos DB\'s API for MongoDB to interact with the emulator. Start emulator from command prompt as an administrator with \'/EnableMongoDbEndpoint\'. Then use the following connection string to connect to the MongoDB API account:

  

  Table API

  Once you have the Azure Cosmos Emulator running on your desktop, you can use the Azure Cosmos DB Table API SDK to interact with the emulator. Start emulator from command prompt as an administrator with \'/EnableTableEndpoint\'. Next run the following code to connect to the table API account:

  Cassandra API

  Start emulator from an administrator command prompt with \'/EnableCassandraEndpoint\'. Alternatively you can also set the environment variable AZURE_COSMOS_EMULATOR_CASSANDRA_ENDPOINT=true.

  • Run the following commands in a regular command prompt window:

  • In the CQLSH shell, run the following commands to connect to the Cassandra endpoint:

  Gremlin API

  Start emulator from an administrator command prompt with \'/EnableGremlinEndpoint\'. Alternatively you can also set the environment variable AZURE_COSMOS_EMULATOR_GREMLIN_ENDPOINT=true

  • Install apache-tinkerpop-gremlin-console-3.3.4.

  • In the emulator\'s Data Explorer create a database \'db1\' and a collection \'coll1\'; for the partition key, choose \'/name\'

  • Run the following commands in a regular command prompt window:

  • In the Gremlin shell run the following commands to connect to the Gremlin endpoint:

  Export the TLS/SSL certificate

  .NET languages and runtime use the Windows Certificate Store to securely connect to the Azure Cosmos DB local emulator. Other languages have their own method of managing and using certificates. Java uses its own certificate store whereas Python uses socket wrappers.

  In order to obtain a certificate to use with languages and runtimes that do not integrate with the Windows Certificate Store, you will need to export it using the Windows Certificate Manager. You can start it by running certlm.msc or follow the step by step instructions in Export the Azure Cosmos Emulator Certificates. Once the certificate manager is running, open the Personal Certificates as shown below and export the certificate with the friendly name \'DocumentDBEmulatorCertificate\' as a BASE-64 encoded X.509 (.cer) file.

  The X.509 certificate can be imported into the Java certificate store by following the instructions in Adding a Certificate to the Java CA Certificates Store. Once the certificate is imported into the certificate store, clients for SQL and Azure Cosmos DB\'s API for MongoDB will be able to connect to the Azure Cosmos Emulator.

  When connecting to the emulator from Python and Node.js SDKs, TLS verification is disabled.

  Command-line tool reference

  From the installation location, you can use the command-line to start and stop the emulator, configure options, and perform other operations.

  Command-line syntax

  To view the list of options, type Microsoft.Azure.Cosmos.Emulator.exe /? at the command prompt.

  Option	Description	Command	Arguments
  [No arguments]	Starts up the Azure Cosmos Emulator with default settings.	Microsoft.Azure.Cosmos.Emulator.exe
  [Help]	Displays the list of supported command-line arguments.	Microsoft.Azure.Cosmos.Emulator.exe /?
  GetStatus	Gets the status of the Azure Cosmos Emulator. The status is indicated by the exit code: 1 = Starting, 2 = Running, 3 = Stopped. A negative exit code indicates that an error occurred. No other output is produced.	Microsoft.Azure.Cosmos.Emulator.exe /GetStatus
  Shutdown	Shuts down the Azure Cosmos Emulator.	Microsoft.Azure.Cosmos.Emulator.exe /Shutdown
  DataPath	Specifies the path in which to store data files. Default value is %LocalAppdata%CosmosDBEmulator.	Microsoft.Azure.Cosmos.Emulator.exe /DataPath=<datapath>	<datapath>: An accessible path
  Port	Specifies the port number to use for the emulator. Default value is 8081.	Microsoft.Azure.Cosmos.Emulator.exe /Port=<port>	<port>: Single port number
  ComputePort	Specified the port number to use for the Compute Interop Gateway service. The Gateway\'s HTTP endpoint probe port is calculated as ComputePort + 79. Hence, ComputePort and ComputePort + 79 must be open and available. The default value is 8900.	Microsoft.Azure.Cosmos.Emulator.exe /ComputePort=<computeport>	<computeport>: Single port number
  EnableMongoDbEndpoint=3.2	Enables MongoDB API 3.2	Microsoft.Azure.Cosmos.Emulator.exe /EnableMongoDbEndpoint=3.2
  EnableMongoDbEndpoint=3.6	Enables MongoDB API 3.6	Microsoft.Azure.Cosmos.Emulator.exe /EnableMongoDbEndpoint=3.6
  MongoPort	Specifies the port number to use for MongoDB compatibility API. Default value is 10255.	Microsoft.Azure.Cosmos.Emulator.exe /MongoPort=<mongoport>	<mongoport>: Single port number
  EnableCassandraEndpoint	Enables Cassandra API	Microsoft.Azure.Cosmos.Emulator.exe /EnableCassandraEndpoint
  CassandraPort	Specifies the port number to use for the Cassandra endpoint. Default value is 10350.	Microsoft.Azure.Cosmos.Emulator.exe /CassandraPort=<cassandraport>	<cassandraport>: Single port number
  EnableGremlinEndpoint	Enables Gremlin API	Microsoft.Azure.Cosmos.Emulator.exe /EnableGremlinEndpoint
  GremlinPort	Port number to use for the Gremlin Endpoint. Default value is 8901.	Microsoft.Azure.Cosmos.Emulator.exe /GremlinPort=<port>	<port>: Single port number
  EnableTableEndpoint	Enables Azure Table API	Microsoft.Azure.Cosmos.Emulator.exe /EnableTableEndpoint
  TablePort	Port number to use for the Azure Table Endpoint. Default value is 8902.	Microsoft.Azure.Cosmos.Emulator.exe /TablePort=<port>	<port>: Single port number
  KeyFile	Read authorization key from the specified file. Use the /GenKeyFile option to generate a keyfile	Microsoft.Azure.Cosmos.Emulator.exe /KeyFile=<file_name>	<file_name>: Path to the file
  ResetDataPath	Recursively removes all the files in the specified path. If you don\'t specify a path, it defaults to %LOCALAPPDATA%CosmosDbEmulator	Microsoft.Azure.Cosmos.Emulator.exe /ResetDataPath=<path>	<path>: File path
  StartTraces	Start collecting debug trace logs using LOGMAN.	Microsoft.Azure.Cosmos.Emulator.exe /StartTraces
  StopTraces	Stop collecting debug trace logs using LOGMAN.	Microsoft.Azure.Cosmos.Emulator.exe /StopTraces
  StartWprTraces	Start collecting debug trace logs using Windows Performance Recording tool.	Microsoft.Azure.Cosmos.Emulator.exe /StartWprTraces
  StopWprTraces	Stop collecting debug trace logs using Windows Performance Recording tool.	Microsoft.Azure.Cosmos.Emulator.exe /StopWprTraces
  FailOnSslCertificateNameMismatch	By default the Emulator regenerates its self-signed TLS/SSL certificate, if the certificate\'s SAN does not include the Emulator host\'s domain name, local IPv4 address, \'localhost\', and \'127.0.0.1\'. With this option, the emulator will fail at startup instead. You should then use the /GenCert option to create and install a new self-signed TLS/SSL certificate.	Microsoft.Azure.Cosmos.Emulator.exe /FailOnSslCertificateNameMismatch
  GenCert	Generate and install a new self-signed TLS/SSL certificate. optionally including a comma-separated list of additional DNS names for accessing the Emulator over the network.	Microsoft.Azure.Cosmos.Emulator.exe /GenCert=<dns-names>	<dns-names>: Optional comma-separated list of additional dns names
  DirectPorts	Specifies the ports to use for direct connectivity. Defaults are 10251,10252,10253,10254.	Microsoft.Azure.Cosmos.Emulator.exe /DirectPorts:<directports>	<directports>: Comma-delimited list of 4 ports
  Key	Authorization key for the emulator. Key must be the base-64 encoding of a 64-byte vector.	Microsoft.Azure.Cosmos.Emulator.exe /Key:<key>	<key>: Key must be the base-64 encoding of a 64-byte vector
  EnableRateLimiting	Specifies that request rate limiting behavior is enabled.	Microsoft.Azure.Cosmos.Emulator.exe /EnableRateLimiting
  DisableRateLimiting	Specifies that request rate limiting behavior is disabled.	Microsoft.Azure.Cosmos.Emulator.exe /DisableRateLimiting
  NoUI	Do not show the emulator user interface.	Microsoft.Azure.Cosmos.Emulator.exe /NoUI
  NoExplorer	Don\'t show data explorer on startup.	Microsoft.Azure.Cosmos.Emulator.exe /NoExplorer
  PartitionCount	Specifies the maximum number of partitioned containers. See Change the number of containers for more information.	Microsoft.Azure.Cosmos.Emulator.exe /PartitionCount=<partitioncount>	<partitioncount>: Maximum number of allowed single partition containers. Default value is 25. Maximum allowed is 250.
  DefaultPartitionCount	Specifies the default number of partitions for a partitioned container.	Microsoft.Azure.Cosmos.Emulator.exe /DefaultPartitionCount=<defaultpartitioncount>	<defaultpartitioncount> Default value is 25.
  AllowNetworkAccess	Enables access to the emulator over a network. You must also pass /Key=<key_string> or /KeyFile=<file_name> to enable network access.	Microsoft.Azure.Cosmos.Emulator.exe /AllowNetworkAccess /Key=<key_string> or Microsoft.Azure.Cosmos.Emulator.exe /AllowNetworkAccess /KeyFile=<file_name>
  NoFirewall	Don\'t adjust firewall rules when /AllowNetworkAccess option is used.	Microsoft.Azure.Cosmos.Emulator.exe /NoFirewall
  GenKeyFile	Generate a new authorization key and save to the specified file. The generated key can be used with the /Key or /KeyFile options.	Microsoft.Azure.Cosmos.Emulator.exe /GenKeyFile=<path to key file>
  Consistency	Set the default consistency level for the account.	Microsoft.Azure.Cosmos.Emulator.exe /Consistency=<consistency>	<consistency>: Value must be one of the following consistency levels: Session, Strong, Eventual, or BoundedStaleness. The default value is Session.
  ?	Show the help message.

  Change the number of containers

  By default, you can create up to 25 fixed size containers (only supported using Azure Cosmos DB SDKs), or 5 unlimited containers using the Azure Cosmos Emulator. By modifying the PartitionCount value, you can create up to 250 fixed size containers or 50 unlimited containers, or any combination of the two that does not exceed 250 fixed size containers (where one unlimited container = 5 fixed size containers). However it\'s not recommended to set up the emulator to run with more than 200 fixed size containers. Because of the overhead that it adds to the disk IO operations, which result in unpredictable timeouts when using the endpoint APIs.

  If you attempt to create a container after the current partition count has been exceeded, the emulator throws a ServiceUnavailable exception, with the following message.

  \'Sorry, we are currently experiencing high demand in this region, and cannot fulfill your request at this time. We work continuously to bring more and more capacity online, and encourage you to try again.ActivityId: 12345678-1234-1234-1234-123456789abc\'

  To change the number of containers available in the Azure Cosmos Emulator, run the following steps:

  1. Delete all local Azure Cosmos Emulator data by right-clicking the Azure Cosmos DB Emulator icon on the system tray, and then clicking Reset Data….
  2. Delete all emulator data in this folder %LOCALAPPDATA%CosmosDBEmulator.
  3. Exit all open instances by right-clicking the Azure Cosmos DB Emulator icon on the system tray, and then clicking Exit. It may take a minute for all instances to exit.
  4. Install the latest version of the Azure Cosmos Emulator.
  5. Launch the emulator with the PartitionCount flag by setting a value <= 250. For example: C:Program FilesAzure Cosmos DB Emulator> Microsoft.Azure.Cosmos.Emulator.exe /PartitionCount=100.

  Controlling the emulator

  The emulator comes with a PowerShell module to start, stop, uninstall, and retrieve the status of the service. Run the following cmdlet to use the PowerShell module:

  or place the PSModules directory on your PSModulesPath and import it as shown in the following command:

  Here is a summary of the commands for controlling the emulator from PowerShell:

  Get-CosmosDbEmulatorStatus

  Syntax

  Get-CosmosDbEmulatorStatus

  Remarks

  Returns one of these ServiceControllerStatus values: ServiceControllerStatus.StartPending, ServiceControllerStatus.Running, or ServiceControllerStatus.Stopped.

  Start-CosmosDbEmulator

  Syntax

  Start-CosmosDbEmulator [-DataPath <string>] [-DefaultPartitionCount <uint16>] [-DirectPort <uint16[]>] [-MongoPort <uint16>] [-NoUI] [-NoWait] [-PartitionCount <uint16>] [-Port <uint16>] [<CommonParameters>]

  Remarks

  Starts the emulator. By default, the command waits until the emulator is ready to accept requests. Use the -NoWait option, if you wish the cmdlet to return as soon as it starts the emulator.

  Stop-CosmosDbEmulator

  Syntax

  Stop-CosmosDbEmulator [-NoWait]

  Remarks

  Stops the emulator. By default, this command waits until the emulator is fully shut down. Use the -NoWait option, if you wish the cmdlet to return as soon as the emulator begins to shut down.

  Uninstall-CosmosDbEmulator

  Syntax

  Uninstall-CosmosDbEmulator [-RemoveData]

  Remarks

  Uninstalls the emulator and optionally removes the full contents of $env:LOCALAPPDATACosmosDbEmulator.The cmdlet ensures the emulator is stopped before uninstalling it.

  Running on Docker

  The Azure Cosmos Emulator can be run on Docker for Windows. The emulator does not work on Docker for Oracle Linux.

  Once you have Docker for Windows installed, switch to Windows containers by right-clicking the Docker icon on the toolbar and selecting Switch to Windows containers.

  Next, pull the emulator image from Docker Hub by running the following command from your favorite shell.

  To start the image, run the following commands.

  From the command-line:

  Note

  If you see a port conflict error (specified port is already in use) when you run the docker run command, you can pass a custom port by altering the port numbers. For example, you can change the \'-p 8081:8081\' to \'-p 443:8081\'

  From PowerShell:

  The response looks similar to the following:

  Now use the endpoint and master key-in from the response in your client and import the TLS/SSL certificate into your host. To import the TLS/SSL certificate, do the following from an admin command prompt:

  From the command-line:

  From PowerShell:

  Closing the interactive shell once the emulator has been started will shut down the emulator\'s container.

  To open the Data Explorer, navigate to the following URL in your browser. The emulator endpoint is provided in the response message shown above.

  If you have a .NET client application running on a Linux docker container and if you are running Azure Cosmos emulator on a host machine, please follow the below section for Linux to import the certificate into the Linux docker container.

  Running on Mac or Linux

  Currently the Cosmos emulator can only be run on Windows. Users running Mac or Linux can run the emulator in a Windows virtual machine hosted a hypervisor such as Parallels or VirtualBox. Below are the steps to enable this.

  Within the Windows VM run the command below and make note of the IPv4 address.

  Within your application you need to change the URI used as Endpoint to use the IPv4 address returned by ipconfig.exe instead of localhost.

  The next step, from the within the Windows VM, launch the Cosmos emulator from the command line using the following options.

  Finally, we need to import the Emulator CA certificate into the Linux or Mac environment.

  Linux

  If you are working on Linux, .NET relays on OpenSSL to do the validation:

  1. Export the certificate in PFX format (PFX is available when choosing to export the private key).

  2. Copy that PFX file into your Linux environment.

  3. Convert the PFX file into a CRT file

  4. Copy the CRT file to the folder that contains custom certificates in your Linux distribution. Commonly on Debian distributions, it is located on /usr/local/share/ca-certificates/.

  5. Update the CA certificates, which will update the /etc/ssl/certs/ folder.

  Mac OS

  Use the following steps if you are working on Mac:

  1. Export the certificate in PFX format (PFX is available when choosing to export the private key).

  2. Copy that PFX file into your Mac environment.

  3. Open the Keychain Access application and import the PFX file.

  4. Open the list of Certificates and identify the one with the name localhost.

  5. Open the context menu for that particular item, select Get Item and under Trust > When using this certificate option, select Always Trust.

  After following these steps, your environment will trust the certificate used by the Emulator when connecting to the IP address exposes by /AllowNetworkAccess.

  Troubleshooting

  Use the following tips to help troubleshoot issues you encounter with the Azure Cosmos Emulator:

  • If you installed a new version of the emulator and are experiencing errors, ensure you reset your data. You can reset your data by right-clicking the Azure Cosmos Emulator icon on the system tray, and then clicking Reset Data…. If that does not fix the errors, you can uninstall the emulator and any older versions of the emulator if found, remove \'C:Program filesAzure Cosmos DB Emulator\' directory and reinstall the emulator. See Uninstall the local emulator for instructions.

  • If the Azure Cosmos Emulator crashes, collect dump files from \'%LOCALAPPDATA%CrashDumps\' folder, compress them, and open a support ticket from the Azure portal.

  • If you experience crashes in Microsoft.Azure.Cosmos.ComputeServiceStartupEntryPoint.exe, this might be a symptom where the Performance Counters are in a corrupted state. Usually running the following command from an admin command prompt fixes the issue:

  • If you encounter a connectivity issue, collect trace files, compress them, and open a support ticket in the Azure portal.

  • If you receive a Service Unavailable message, the emulator might be failing to initialize the network stack. Check to see if you have the Pulse secure client or Juniper networks client installed, as their network filter drivers may cause the problem. Uninstalling third-party network filter drivers typically fixes the issue. Alternatively, start the emulator with /DisableRIO, which will switch the emulator network communication to regular Winsock.

  • While the emulator is running, if your computer goes to sleep mode or runs any OS updates, you might see a Service is currently unavailable message. Reset the emulator\'s data, by right-clicking on the icon that appears on the windows notification tray and select Reset Data.

  Collect trace files

  To collect debugging traces, run the following commands from an administrative command prompt:

  1. cd /d \'%ProgramFiles%Azure Cosmos DB Emulator\'
  2. Microsoft.Azure.Cosmos.Emulator.exe /shutdown. Watch the system tray to make sure the program has shut down, it may take a minute. You can also just click Exit in the Azure Cosmos Emulator user interface.
  3. Microsoft.Azure.Cosmos.Emulator.exe /startwprtraces
  4. Microsoft.Azure.Cosmos.Emulator.exe
  5. Reproduce the problem. If Data Explorer is not working, you only need to wait for the browser to open for a few seconds to catch the error.
  6. Microsoft.Azure.Cosmos.Emulator.exe /stopwprtraces
  7. Navigate to %ProgramFiles%Azure Cosmos DB Emulator and find the docdbemulator_000001.etl file.
  8. Open a support ticket in the Azure portal and include the .etl file along with repro steps.

  Uninstall the local emulator

  1. Exit all open instances of the local emulator by right-clicking the Azure Cosmos Emulator icon on the system tray, and then clicking Exit. It may take a minute for all instances to exit.
  2. In the Windows search box, type Apps & features and click on the Apps & features (System settings) result.
  3. In the list of apps, scroll to Azure Cosmos DB Emulator, select it, click Uninstall, then confirm and click Uninstall again.
  4. When the app is uninstalled, navigate to %LOCALAPPDATA%CosmosDBEmulator and delete the folder.

  Next steps

  In this tutorial, you\'ve learned how to use the local emulator for free local development. You can now proceed to the next tutorial and learn how to export emulator TLS/SSL certificates.

  ...'>Mac Command Emulator Windows(18.04.2020)

• You might sometimes need to run a few of the major Linux utilities on your windows system that are not present in a windows system. Stylus rmx sage converter lion air. In that case, you probably need a virtual machine which can help you run all such Linux application, software, and utilities without even disturbing or making any changes to your windows system. The Linux emulator for windows is such a virtual machine that can help you run Linux on windows side by side. There is a wide range of Linux emulators available for windows. Here we are sharing top Linux emulators online that can help you work on Linux with windows.

  DeSmuME is a free and open source MAC emulator for Windows computer. It’s cross-platform software. DeSmuME supports dual screen, screenshots, documentation, etc. You can also play Nintendo DS games using DeSmuME. It’s one of the best free MAC emulator software for Windows, Wii, AmigaOS 4, MAC OS X and Linux.

  Related:

  Cygwin

  Cygwin gives you a simple and powerful way to run your major Linux applications on a windows system. With this Linux emulator, you can make native windows apps aware of Linux functionality and thus while running Linux functions on windows you will have a Linux native system feeling. Get downloaded online.

  Cooperative Linux

  Cooperative Linux is a free and open source Linux emulator for windows that lets you run your Linux applications on windows natively. With this emulator, you can run Linux applications on windows 2000, XP, Vista and 7 without using any commercial PC virtualization software. It is also referred as coLinux. Available online for download.

  Winehq

  Winehq is basically a compatibility layer rather than an emulator which lets you run windows applications on Linux system. In addition to Linux, it helps you in running windows apps on Mac OSX, BSD, and more POSIX compliant operating systems. It translates windows API calls to POSIX calls thus cleanly integrating applications into your desktop.

  Linux Emulator for Windows

  Download this Linux emulator for windows and run your major Linux applications on windows systems. This is an open source program that runs in a user mode. It emulates Linux system calls on an open source layer and thus ports Linux programs under windows. So just get this wonderful software downloaded for your windows system.

  Xshell

  Xshell is a powerful terminal emulator that works wonderfully in making major Linux apps native or known to windows systems. It supports SSH, TELNET, RLOGIN, SFTP, and SERIAL. Its various features include tabbed environment, custom key mapping, dynamic port forwarding, user defined buttons, VB scripting and more. Get downloaded online.

  ZOC

  ZOC is a professional and powerful SSH/telnet client and terminal emulator that is compatible with windows 10 and OS X El Capitan. This emulator makes it quite simple to access hosts and mainframes via telnet, secure shell, serial cable, modem and more. Thus you can comfortably run your Linux applications on your windows system using this software.

  Indigo Terminal Emulator

  Indigo Terminal Emulator is one of the top and premier terminal emulator software for windows systems. This helps to emulate Linux applications and make them run in windows. This software enables communication between the serial terminal and telnet. It is supported by windows XP, vista, 7, windows 2003 server and more.

  Espxe – Most Popular Software

  Epsxe is one of the most popular and powerful Linux emulators for windows that lets you enjoy major Linux applications and utilities on your windows system with the same features, speed and feeling that you would have on a Linux system. With this system, there would not be any changes in your windows programs their speed and all.

  What is Linux Emulator for Windows?

  No matter how advanced popular operating system we are running, we may often need several applications like games or software from old operating system to be run on our windows system. It doesn’t make sense to keep a different system with Linux operating system to just run such applications. Add last modified date excel. You can also see IOS Emulator for Windows

  So Linux emulators have been developed to help your windows system communicate with Linux applications and make them run on your windows system. These systems do not cause any harm to your current applications of your windows systems. So find suitable Linux emulator for windows free download and enjoy your Linux applications on a windows system.

  You can find the suitable Linux emulator online from the above list we have provided and can easily make your Linux applications run on your windows system. All these software are tested and trusted by millions of people around the world and thus are secure and reliable enough to try on any of your windows systems.

  Related Posts

  -->

  The Azure Cosmos Emulator provides a local environment that emulates the Azure Cosmos DB service for development purposes. Using the Azure Cosmos Emulator, you can develop and test your application locally, without creating an Azure subscription or incurring any costs. When you\'re satisfied with how your application is working in the Azure Cosmos Emulator, you can switch to using an Azure Cosmos account in the cloud.

  You can develop using Azure Cosmos Emulator with SQL, Cassandra, MongoDB, Gremlin, and Table API accounts. However at this time the Data Explorer view in the emulator fully supports clients for SQL API only.

  How the emulator works

  The Azure Cosmos Emulator provides a high-fidelity emulation of the Azure Cosmos DB service. It supports identical functionality as Azure Cosmos DB, including support for creating and querying data, provisioning and scaling containers, and executing stored procedures and triggers. You can develop and test applications using the Azure Cosmos Emulator, and deploy them to Azure at global scale by just making a single configuration change to the connection endpoint for Azure Cosmos DB.

  While emulation of the Azure Cosmos DB service is faithful, the emulator\'s implementation is different than the service. For example, the emulator uses standard OS components such as the local file system for persistence, and the HTTPS protocol stack for connectivity. Functionality that relies on Azure infrastructure like global replication, single-digit millisecond latency for reads/writes, and tunable consistency levels are not applicable.

  You can migrate data between the Azure Cosmos Emulator and the Azure Cosmos DB service by using the Azure Cosmos DB Data Migration Tool.

  You can run Azure Cosmos Emulator on the Windows Docker container, see the Docker Hub for the docker pull command and GitHub for the Dockerfile and more information.

  Differences between the emulator and the service

  Because the Azure Cosmos Emulator provides an emulated environment running on the local developer workstation, there are some differences in functionality between the emulator and an Azure Cosmos account in the cloud:

  • Currently Data Explorer in the emulator supports clients for SQL API. The Data Explorer view and operations for Azure Cosmos DB APIs such as MongoDB, Table, Graph, and Cassandra APIs are not fully supported.
  • The Azure Cosmos Emulator supports only a single fixed account and a well-known master key. Key regeneration is not possible in the Azure Cosmos Emulator, however the default key can be changed using the command-line option.
  • The Azure Cosmos Emulator is not a scalable service and will not support a large number of containers.
  • The Azure Cosmos Emulator does not offer different Azure Cosmos DB consistency levels.
  • The Azure Cosmos Emulator does not offer multi-region replication.
  • As your copy of the Azure Cosmos Emulator might not always be up-to-date with the most recent changes in the Azure Cosmos DB service, you should refer to the Azure Cosmos DB capacity planner to accurately estimate the production throughput (RUs) needs of your application.
  • When using the Azure Cosmos Emulator, by default, you can create up to 25 fixed size containers (only supported using Azure Cosmos DB SDKs), or 5 unlimited containers using the Azure Cosmos Emulator. For more information about changing this value, see Setting the PartitionCount value.

  System requirements

  The Azure Cosmos Emulator has the following hardware and software requirements:

  • Software requirements
    • Windows Server 2012 R2, Windows Server 2016, or Windows 10
    • 64-bit operating system
  • Minimum Hardware requirements
    • 2-GB RAM
    • 10-GB available hard disk space

  Installation

  You can download and install the Azure Cosmos Emulator from the Microsoft Download Center or you can run the emulator on Docker for Windows. For instructions on using the emulator on Docker for Windows, see Running on Docker.

  Note

  To install, configure, and run the Azure Cosmos Emulator, you must have administrative privileges on the computer. The emulator will create/add a certificate and also set the firewall rules in order to run its services; therefore it\'s necessary for the emulator to be able to execute such operations.

  Running on Windows

  To start the Azure Cosmos Emulator, select the Start button or press the Windows key. Begin typing Azure Cosmos Emulator, and select the emulator from the list of applications.

  When the emulator is running, you\'ll see an icon in the Windows taskbar notification area.

  The Azure Cosmos Emulator by default runs on the local machine (\'localhost\') listening on port 8081.

  The Azure Cosmos Emulator is installed to C:Program FilesAzure Cosmos DB Emulator by default. You can also start and stop the emulator from the command-line. For more information, see the command-line tool reference.

  Start Data Explorer

  When the Azure Cosmos Emulator launches, it automatically opens the Azure Cosmos Data Explorer in your browser. The address appears as https://localhost:8081/_explorer/index.html. If you close the explorer and would like to reopen it later, you can either open the URL in your browser or launch it from the Azure Cosmos Emulator in the Windows Tray Icon as shown below.

  Checking for updates

  Data Explorer indicates if there is a new update available for download.

  Note

  Data created in one version of the Azure Cosmos Emulator (see %LOCALAPPDATA%CosmosDBEmulator or data path optional settings) is not guaranteed to be accessible when using a different version. If you need to persist your data for the long term, it is recommended that you store that data in an Azure Cosmos account, rather than in the Azure Cosmos Emulator.

  Authenticating requests

  As with Azure Cosmos DB in the cloud, every request that you make against the Azure Cosmos Emulator must be authenticated. The Azure Cosmos Emulator supports a single fixed account and a well-known authentication key for master key authentication. This account and key are the only credentials permitted for use with the Azure Cosmos Emulator. They are:

  Note

  The master key supported by the Azure Cosmos Emulator is intended for use only with the emulator. You cannot use your production Azure Cosmos DB account and key with the Azure Cosmos Emulator.

  Note

  If you have started the emulator with the /Key option, then use the generated key instead of C2y6yDjf5/R+ob0N8A7Cgv30VRDJIWEHLM+4QDU5DE2nQ9nDuVTqobD4b8mGGyPMbIZnqyMsEcaGQy67XIw/Jw. For more information about /Key option, see Command-line tool reference.

  As with the Azure Cosmos DB, the Azure Cosmos Emulator supports only secure communication via TLS.

  Running on a local network

  You can run the emulator on a local network. To enable network access, specify the /AllowNetworkAccess option at the command-line, which also requires that you specify /Key=key_string or /KeyFile=file_name. You can use /GenKeyFile=file_name to generate a file with a random key upfront. Then you can pass that to /KeyFile=file_name or /Key=contents_of_file.

  To enable network access for the first time the user should shut down the emulator and delete the emulator\'s data directory (%LOCALAPPDATA%CosmosDBEmulator).

  Developing with the emulator

  SQL API

  Once you have the Azure Cosmos Emulator running on your desktop, you can use any supported Azure Cosmos DB SDK or the Azure Cosmos DB REST API to interact with the emulator. The Azure Cosmos Emulator also includes a built-in Data Explorer that lets you create containers for SQL API or Cosmos DB for Mongo DB API, and view and edit items without writing any code.

  Azure Cosmos DB\'s API for MongoDB

  Once you have the Azure Cosmos Emulator running on your desktop, you can use the Azure Cosmos DB\'s API for MongoDB to interact with the emulator. Start emulator from command prompt as an administrator with \'/EnableMongoDbEndpoint\'. Then use the following connection string to connect to the MongoDB API account:

  

  Table API

  Once you have the Azure Cosmos Emulator running on your desktop, you can use the Azure Cosmos DB Table API SDK to interact with the emulator. Start emulator from command prompt as an administrator with \'/EnableTableEndpoint\'. Next run the following code to connect to the table API account:

  Cassandra API

  Start emulator from an administrator command prompt with \'/EnableCassandraEndpoint\'. Alternatively you can also set the environment variable AZURE_COSMOS_EMULATOR_CASSANDRA_ENDPOINT=true.

  • Run the following commands in a regular command prompt window:

  • In the CQLSH shell, run the following commands to connect to the Cassandra endpoint:

  Gremlin API

  Start emulator from an administrator command prompt with \'/EnableGremlinEndpoint\'. Alternatively you can also set the environment variable AZURE_COSMOS_EMULATOR_GREMLIN_ENDPOINT=true

  • Install apache-tinkerpop-gremlin-console-3.3.4.

  • In the emulator\'s Data Explorer create a database \'db1\' and a collection \'coll1\'; for the partition key, choose \'/name\'

  • Run the following commands in a regular command prompt window:

  • In the Gremlin shell run the following commands to connect to the Gremlin endpoint:

  Export the TLS/SSL certificate

  .NET languages and runtime use the Windows Certificate Store to securely connect to the Azure Cosmos DB local emulator. Other languages have their own method of managing and using certificates. Java uses its own certificate store whereas Python uses socket wrappers.

  In order to obtain a certificate to use with languages and runtimes that do not integrate with the Windows Certificate Store, you will need to export it using the Windows Certificate Manager. You can start it by running certlm.msc or follow the step by step instructions in Export the Azure Cosmos Emulator Certificates. Once the certificate manager is running, open the Personal Certificates as shown below and export the certificate with the friendly name \'DocumentDBEmulatorCertificate\' as a BASE-64 encoded X.509 (.cer) file.

  The X.509 certificate can be imported into the Java certificate store by following the instructions in Adding a Certificate to the Java CA Certificates Store. Once the certificate is imported into the certificate store, clients for SQL and Azure Cosmos DB\'s API for MongoDB will be able to connect to the Azure Cosmos Emulator.

  When connecting to the emulator from Python and Node.js SDKs, TLS verification is disabled.

  Command-line tool reference

  From the installation location, you can use the command-line to start and stop the emulator, configure options, and perform other operations.

  Command-line syntax

  To view the list of options, type Microsoft.Azure.Cosmos.Emulator.exe /? at the command prompt.

  Option	Description	Command	Arguments
  [No arguments]	Starts up the Azure Cosmos Emulator with default settings.	Microsoft.Azure.Cosmos.Emulator.exe
  [Help]	Displays the list of supported command-line arguments.	Microsoft.Azure.Cosmos.Emulator.exe /?
  GetStatus	Gets the status of the Azure Cosmos Emulator. The status is indicated by the exit code: 1 = Starting, 2 = Running, 3 = Stopped. A negative exit code indicates that an error occurred. No other output is produced.	Microsoft.Azure.Cosmos.Emulator.exe /GetStatus
  Shutdown	Shuts down the Azure Cosmos Emulator.	Microsoft.Azure.Cosmos.Emulator.exe /Shutdown
  DataPath	Specifies the path in which to store data files. Default value is %LocalAppdata%CosmosDBEmulator.	Microsoft.Azure.Cosmos.Emulator.exe /DataPath=<datapath>	<datapath>: An accessible path
  Port	Specifies the port number to use for the emulator. Default value is 8081.	Microsoft.Azure.Cosmos.Emulator.exe /Port=<port>	<port>: Single port number
  ComputePort	Specified the port number to use for the Compute Interop Gateway service. The Gateway\'s HTTP endpoint probe port is calculated as ComputePort + 79. Hence, ComputePort and ComputePort + 79 must be open and available. The default value is 8900.	Microsoft.Azure.Cosmos.Emulator.exe /ComputePort=<computeport>	<computeport>: Single port number
  EnableMongoDbEndpoint=3.2	Enables MongoDB API 3.2	Microsoft.Azure.Cosmos.Emulator.exe /EnableMongoDbEndpoint=3.2
  EnableMongoDbEndpoint=3.6	Enables MongoDB API 3.6	Microsoft.Azure.Cosmos.Emulator.exe /EnableMongoDbEndpoint=3.6
  MongoPort	Specifies the port number to use for MongoDB compatibility API. Default value is 10255.	Microsoft.Azure.Cosmos.Emulator.exe /MongoPort=<mongoport>	<mongoport>: Single port number
  EnableCassandraEndpoint	Enables Cassandra API	Microsoft.Azure.Cosmos.Emulator.exe /EnableCassandraEndpoint
  CassandraPort	Specifies the port number to use for the Cassandra endpoint. Default value is 10350.	Microsoft.Azure.Cosmos.Emulator.exe /CassandraPort=<cassandraport>	<cassandraport>: Single port number
  EnableGremlinEndpoint	Enables Gremlin API	Microsoft.Azure.Cosmos.Emulator.exe /EnableGremlinEndpoint
  GremlinPort	Port number to use for the Gremlin Endpoint. Default value is 8901.	Microsoft.Azure.Cosmos.Emulator.exe /GremlinPort=<port>	<port>: Single port number
  EnableTableEndpoint	Enables Azure Table API	Microsoft.Azure.Cosmos.Emulator.exe /EnableTableEndpoint
  TablePort	Port number to use for the Azure Table Endpoint. Default value is 8902.	Microsoft.Azure.Cosmos.Emulator.exe /TablePort=<port>	<port>: Single port number
  KeyFile	Read authorization key from the specified file. Use the /GenKeyFile option to generate a keyfile	Microsoft.Azure.Cosmos.Emulator.exe /KeyFile=<file_name>	<file_name>: Path to the file
  ResetDataPath	Recursively removes all the files in the specified path. If you don\'t specify a path, it defaults to %LOCALAPPDATA%CosmosDbEmulator	Microsoft.Azure.Cosmos.Emulator.exe /ResetDataPath=<path>	<path>: File path
  StartTraces	Start collecting debug trace logs using LOGMAN.	Microsoft.Azure.Cosmos.Emulator.exe /StartTraces
  StopTraces	Stop collecting debug trace logs using LOGMAN.	Microsoft.Azure.Cosmos.Emulator.exe /StopTraces
  StartWprTraces	Start collecting debug trace logs using Windows Performance Recording tool.	Microsoft.Azure.Cosmos.Emulator.exe /StartWprTraces
  StopWprTraces	Stop collecting debug trace logs using Windows Performance Recording tool.	Microsoft.Azure.Cosmos.Emulator.exe /StopWprTraces
  FailOnSslCertificateNameMismatch	By default the Emulator regenerates its self-signed TLS/SSL certificate, if the certificate\'s SAN does not include the Emulator host\'s domain name, local IPv4 address, \'localhost\', and \'127.0.0.1\'. With this option, the emulator will fail at startup instead. You should then use the /GenCert option to create and install a new self-signed TLS/SSL certificate.	Microsoft.Azure.Cosmos.Emulator.exe /FailOnSslCertificateNameMismatch
  GenCert	Generate and install a new self-signed TLS/SSL certificate. optionally including a comma-separated list of additional DNS names for accessing the Emulator over the network.	Microsoft.Azure.Cosmos.Emulator.exe /GenCert=<dns-names>	<dns-names>: Optional comma-separated list of additional dns names
  DirectPorts	Specifies the ports to use for direct connectivity. Defaults are 10251,10252,10253,10254.	Microsoft.Azure.Cosmos.Emulator.exe /DirectPorts:<directports>	<directports>: Comma-delimited list of 4 ports
  Key	Authorization key for the emulator. Key must be the base-64 encoding of a 64-byte vector.	Microsoft.Azure.Cosmos.Emulator.exe /Key:<key>	<key>: Key must be the base-64 encoding of a 64-byte vector
  EnableRateLimiting	Specifies that request rate limiting behavior is enabled.	Microsoft.Azure.Cosmos.Emulator.exe /EnableRateLimiting
  DisableRateLimiting	Specifies that request rate limiting behavior is disabled.	Microsoft.Azure.Cosmos.Emulator.exe /DisableRateLimiting
  NoUI	Do not show the emulator user interface.	Microsoft.Azure.Cosmos.Emulator.exe /NoUI
  NoExplorer	Don\'t show data explorer on startup.	Microsoft.Azure.Cosmos.Emulator.exe /NoExplorer
  PartitionCount	Specifies the maximum number of partitioned containers. See Change the number of containers for more information.	Microsoft.Azure.Cosmos.Emulator.exe /PartitionCount=<partitioncount>	<partitioncount>: Maximum number of allowed single partition containers. Default value is 25. Maximum allowed is 250.
  DefaultPartitionCount	Specifies the default number of partitions for a partitioned container.	Microsoft.Azure.Cosmos.Emulator.exe /DefaultPartitionCount=<defaultpartitioncount>	<defaultpartitioncount> Default value is 25.
  AllowNetworkAccess	Enables access to the emulator over a network. You must also pass /Key=<key_string> or /KeyFile=<file_name> to enable network access.	Microsoft.Azure.Cosmos.Emulator.exe /AllowNetworkAccess /Key=<key_string> or Microsoft.Azure.Cosmos.Emulator.exe /AllowNetworkAccess /KeyFile=<file_name>
  NoFirewall	Don\'t adjust firewall rules when /AllowNetworkAccess option is used.	Microsoft.Azure.Cosmos.Emulator.exe /NoFirewall
  GenKeyFile	Generate a new authorization key and save to the specified file. The generated key can be used with the /Key or /KeyFile options.	Microsoft.Azure.Cosmos.Emulator.exe /GenKeyFile=<path to key file>
  Consistency	Set the default consistency level for the account.	Microsoft.Azure.Cosmos.Emulator.exe /Consistency=<consistency>	<consistency>: Value must be one of the following consistency levels: Session, Strong, Eventual, or BoundedStaleness. The default value is Session.
  ?	Show the help message.

  Change the number of containers

  By default, you can create up to 25 fixed size containers (only supported using Azure Cosmos DB SDKs), or 5 unlimited containers using the Azure Cosmos Emulator. By modifying the PartitionCount value, you can create up to 250 fixed size containers or 50 unlimited containers, or any combination of the two that does not exceed 250 fixed size containers (where one unlimited container = 5 fixed size containers). However it\'s not recommended to set up the emulator to run with more than 200 fixed size containers. Because of the overhead that it adds to the disk IO operations, which result in unpredictable timeouts when using the endpoint APIs.

  If you attempt to create a container after the current partition count has been exceeded, the emulator throws a ServiceUnavailable exception, with the following message.

  \'Sorry, we are currently experiencing high demand in this region, and cannot fulfill your request at this time. We work continuously to bring more and more capacity online, and encourage you to try again.ActivityId: 12345678-1234-1234-1234-123456789abc\'

  To change the number of containers available in the Azure Cosmos Emulator, run the following steps:

  1. Delete all local Azure Cosmos Emulator data by right-clicking the Azure Cosmos DB Emulator icon on the system tray, and then clicking Reset Data….
  2. Delete all emulator data in this folder %LOCALAPPDATA%CosmosDBEmulator.
  3. Exit all open instances by right-clicking the Azure Cosmos DB Emulator icon on the system tray, and then clicking Exit. It may take a minute for all instances to exit.
  4. Install the latest version of the Azure Cosmos Emulator.
  5. Launch the emulator with the PartitionCount flag by setting a value <= 250. For example: C:Program FilesAzure Cosmos DB Emulator> Microsoft.Azure.Cosmos.Emulator.exe /PartitionCount=100.

  Controlling the emulator

  The emulator comes with a PowerShell module to start, stop, uninstall, and retrieve the status of the service. Run the following cmdlet to use the PowerShell module:

  or place the PSModules directory on your PSModulesPath and import it as shown in the following command:

  Here is a summary of the commands for controlling the emulator from PowerShell:

  Get-CosmosDbEmulatorStatus

  Syntax

  Get-CosmosDbEmulatorStatus

  Remarks

  Returns one of these ServiceControllerStatus values: ServiceControllerStatus.StartPending, ServiceControllerStatus.Running, or ServiceControllerStatus.Stopped.

  Start-CosmosDbEmulator

  Syntax

  Start-CosmosDbEmulator [-DataPath <string>] [-DefaultPartitionCount <uint16>] [-DirectPort <uint16[]>] [-MongoPort <uint16>] [-NoUI] [-NoWait] [-PartitionCount <uint16>] [-Port <uint16>] [<CommonParameters>]

  Remarks

  Starts the emulator. By default, the command waits until the emulator is ready to accept requests. Use the -NoWait option, if you wish the cmdlet to return as soon as it starts the emulator.

  Stop-CosmosDbEmulator

  Syntax

  Stop-CosmosDbEmulator [-NoWait]

  Remarks

  Stops the emulator. By default, this command waits until the emulator is fully shut down. Use the -NoWait option, if you wish the cmdlet to return as soon as the emulator begins to shut down.

  Uninstall-CosmosDbEmulator

  Syntax

  Uninstall-CosmosDbEmulator [-RemoveData]

  Remarks

  Uninstalls the emulator and optionally removes the full contents of $env:LOCALAPPDATACosmosDbEmulator.The cmdlet ensures the emulator is stopped before uninstalling it.

  Running on Docker

  The Azure Cosmos Emulator can be run on Docker for Windows. The emulator does not work on Docker for Oracle Linux.

  Once you have Docker for Windows installed, switch to Windows containers by right-clicking the Docker icon on the toolbar and selecting Switch to Windows containers.

  Next, pull the emulator image from Docker Hub by running the following command from your favorite shell.

  To start the image, run the following commands.

  From the command-line:

  Note

  If you see a port conflict error (specified port is already in use) when you run the docker run command, you can pass a custom port by altering the port numbers. For example, you can change the \'-p 8081:8081\' to \'-p 443:8081\'

  From PowerShell:

  The response looks similar to the following:

  Now use the endpoint and master key-in from the response in your client and import the TLS/SSL certificate into your host. To import the TLS/SSL certificate, do the following from an admin command prompt:

  From the command-line:

  From PowerShell:

  Closing the interactive shell once the emulator has been started will shut down the emulator\'s container.

  To open the Data Explorer, navigate to the following URL in your browser. The emulator endpoint is provided in the response message shown above.

  If you have a .NET client application running on a Linux docker container and if you are running Azure Cosmos emulator on a host machine, please follow the below section for Linux to import the certificate into the Linux docker container.

  Running on Mac or Linux

  Currently the Cosmos emulator can only be run on Windows. Users running Mac or Linux can run the emulator in a Windows virtual machine hosted a hypervisor such as Parallels or VirtualBox. Below are the steps to enable this.

  Within the Windows VM run the command below and make note of the IPv4 address.

  Within your application you need to change the URI used as Endpoint to use the IPv4 address returned by ipconfig.exe instead of localhost.

  The next step, from the within the Windows VM, launch the Cosmos emulator from the command line using the following options.

  Finally, we need to import the Emulator CA certificate into the Linux or Mac environment.

  Linux

  If you are working on Linux, .NET relays on OpenSSL to do the validation:

  1. Export the certificate in PFX format (PFX is available when choosing to export the private key).

  2. Copy that PFX file into your Linux environment.

  3. Convert the PFX file into a CRT file

  4. Copy the CRT file to the folder that contains custom certificates in your Linux distribution. Commonly on Debian distributions, it is located on /usr/local/share/ca-certificates/.

  5. Update the CA certificates, which will update the /etc/ssl/certs/ folder.

  Mac OS

  Use the following steps if you are working on Mac:

  1. Export the certificate in PFX format (PFX is available when choosing to export the private key).

  2. Copy that PFX file into your Mac environment.

  3. Open the Keychain Access application and import the PFX file.

  4. Open the list of Certificates and identify the one with the name localhost.

  5. Open the context menu for that particular item, select Get Item and under Trust > When using this certificate option, select Always Trust.

  After following these steps, your environment will trust the certificate used by the Emulator when connecting to the IP address exposes by /AllowNetworkAccess.

  Troubleshooting

  Use the following tips to help troubleshoot issues you encounter with the Azure Cosmos Emulator:

  • If you installed a new version of the emulator and are experiencing errors, ensure you reset your data. You can reset your data by right-clicking the Azure Cosmos Emulator icon on the system tray, and then clicking Reset Data…. If that does not fix the errors, you can uninstall the emulator and any older versions of the emulator if found, remove \'C:Program filesAzure Cosmos DB Emulator\' directory and reinstall the emulator. See Uninstall the local emulator for instructions.

  • If the Azure Cosmos Emulator crashes, collect dump files from \'%LOCALAPPDATA%CrashDumps\' folder, compress them, and open a support ticket from the Azure portal.

  • If you experience crashes in Microsoft.Azure.Cosmos.ComputeServiceStartupEntryPoint.exe, this might be a symptom where the Performance Counters are in a corrupted state. Usually running the following command from an admin command prompt fixes the issue:

  • If you encounter a connectivity issue, collect trace files, compress them, and open a support ticket in the Azure portal.

  • If you receive a Service Unavailable message, the emulator might be failing to initialize the network stack. Check to see if you have the Pulse secure client or Juniper networks client installed, as their network filter drivers may cause the problem. Uninstalling third-party network filter drivers typically fixes the issue. Alternatively, start the emulator with /DisableRIO, which will switch the emulator network communication to regular Winsock.

  • While the emulator is running, if your computer goes to sleep mode or runs any OS updates, you might see a Service is currently unavailable message. Reset the emulator\'s data, by right-clicking on the icon that appears on the windows notification tray and select Reset Data.

  Collect trace files

  To collect debugging traces, run the following commands from an administrative command prompt:

  1. cd /d \'%ProgramFiles%Azure Cosmos DB Emulator\'
  2. Microsoft.Azure.Cosmos.Emulator.exe /shutdown. Watch the system tray to make sure the program has shut down, it may take a minute. You can also just click Exit in the Azure Cosmos Emulator user interface.
  3. Microsoft.Azure.Cosmos.Emulator.exe /startwprtraces
  4. Microsoft.Azure.Cosmos.Emulator.exe
  5. Reproduce the problem. If Data Explorer is not working, you only need to wait for the browser to open for a few seconds to catch the error.
  6. Microsoft.Azure.Cosmos.Emulator.exe /stopwprtraces
  7. Navigate to %ProgramFiles%Azure Cosmos DB Emulator and find the docdbemulator_000001.etl file.
  8. Open a support ticket in the Azure portal and include the .etl file along with repro steps.

  Uninstall the local emulator

  1. Exit all open instances of the local emulator by right-clicking the Azure Cosmos Emulator icon on the system tray, and then clicking Exit. It may take a minute for all instances to exit.
  2. In the Windows search box, type Apps & features and click on the Apps & features (System settings) result.
  3. In the list of apps, scroll to Azure Cosmos DB Emulator, select it, click Uninstall, then confirm and click Uninstall again.
  4. When the app is uninstalled, navigate to %LOCALAPPDATA%CosmosDBEmulator and delete the folder.

  Next steps

  In this tutorial, you\'ve learned how to use the local emulator for free local development. You can now proceed to the next tutorial and learn how to export emulator TLS/SSL certificates.

  ...'>Mac Command Emulator Windows(18.04.2020)