Ssh Connection Manager For Mac

Connect via SSH depending on the OS you are using: For Linux/Mac OS – ssh USER@HOSTNAME -pPORT. Substitute USER with your username, HOSTNAME with the server’s hostname and PORT with 18765. For example: ssh user1@siteground300.com -p18765; For Windows – in PuTTY enter the server’s hostname. Set the connection type to SSH and port to 18765. Using the built-in SSH client in Mac OS X. Mac OS X includes a command-line SSH client as part of the operating system. To use it, goto Finder, and selext Go - Utilities from the top menu. Then look for Terminal. Terminal can be used to get a local terminal window, and also supports SSH connections. SmarTTY is a free multi-tabbed SSH client that supports copying files and directories with SCP on-the-fly and editing files in-place. New in version 3.0: Smart Terminal with auto-completion, file panel, package management GUI and more. One SSH session - multiple tabs Most SSH servers support up to 10 sub-sessions per connection. Cyberduck is a file transfer client for Apple Mac and Microsoft Windows Cyberduck is a fairly popular file transfer client for Apple Mac and Microsoft Windows. It supports FTP, SFTP, WebDAV, Amazon S3, OpenStack Swift, Backblaze B2, Microsoft Azure & OneDrive, Google Drive and Dropbox.

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Azure DevOps Services | Azure DevOps Server 2020 | Azure DevOps Server 2019 | TFS 2018 - TFS 2015

Connect to your Git repos through SSH on macOS, Linux, or Windows to securely connect using HTTPS authentication. On Windows, we recommended the use of Git Credential Managers or Personal Access Tokens.

Important

SSH URLs have changed, but old SSH URLs will continue to work. If you have already set up SSH, you should update your remote URLs to the new format:

Verify which remotes are using SSH by running git remote -v in your Git client.
Visit your repository on the web and select the Clone button in the upper right.
Select SSH and copy the new SSH URL.
In your Git client, run: git remote set-url <remote name, e.g. origin> <new SSH URL>. Alternatively, in Visual Studio, go to Repository Settings, and edit your remotes.

Note

As of Visual Studio 2017, SSH can be used to connect to Git repos.

How SSH key authentication works

SSH public key authentication works with an asymmetric pair of generated encryption keys. The public key is shared with Azure DevOps and used to verify the initial ssh connection. The private key is kept safe and secure on your system.

Set up SSH key authentication

The following steps cover configuration of SSH key authentication on the following platforms:

Linux
macOS running at least Leopard (10.5)
Windows systems running Git for Windows

Configure SSH using the command line. bash is the common shell on Linux and macOS and the Git for Windows installation adds a shortcut to Git Bash in the Start menu.Other shell environments will work, but are not covered in this article.

Step 1: Create your SSH keys

Ssh Client For Mac

Note

If you have already created SSH keys on your system, skip this step and go to configuring SSH keys.

The commands here will let you create new default SSH keys, overwriting existing default keys. Before continuing, check your~/.ssh folder (for example, /home/jamal/.ssh or C:Usersjamal.ssh) and look for the following files:

id_rsa
id_rsa.pub

If these files exist, then you have already created SSH keys. You can overwrite the keys with the following commands, or skip this step and go to configuring SSH keys to reuse these keys.

Create your SSH keys with the ssh-keygen command from the bash prompt. Samsung kies for mac. This command will create a 2048-bit RSA key for use with SSH. You can give a passphrasefor your private key when prompted—this passphrase provides another layer of security for your private key.If you give a passphrase, be sure to configure the SSH agent to cache your passphrase so you don't have to enter it every time you connect.

This command produces the two keys needed for SSH authentication: your private key ( id_rsa ) and the public key ( id_rsa.pub ). It is important to never share the contents of your private key. If the private key iscompromised, attackers can use it to trick servers into thinking the connection is coming from you.

Step 2: Add the public key to Azure DevOps Services/TFS

Associate the public key generated in the previous step with your user ID.

Open your security settings by browsing to the web portal and selecting your avatar in the upper right of theuser interface. Select SSH public keys in the menu that appears.
Select + New Key.
Copy the contents of the public key (for example, id_rsa.pub) that you generated into the Public Key Data field.
Important
Avoid adding whitespace or new lines into the Key Data field, as they can cause Azure DevOps Services to use an invalid public key. When pasting in the key, a newline often is added at the end. Be sure to remove this newline if it occurs.
Give the key a useful description (this description will be displayed on the SSH public keys page for your profile) so that you can remember it later. Select Save to store the public key. Once saved, you cannot change the key. You can delete the key or create a new entry for another key. There are no restrictions on how many keys you can add to your user profile.
Test the connection by running the following command: ssh -T git@ssh.dev.azure.com.If everything is working correctly, you'll receive a response which says: remote: Shell access is not supported.If not, see the section on Questions and troubleshooting.

Step 2: Add the public key to Azure DevOps Services/TFS

Associate the public key generated in the previous step with your user ID.

Open your security settings by browsing to the web portal and selecting your avatar in the upper right of theuser interface. Select Security in the menu that appears.
Select + New Key.
Copy the contents of the public key (for example, id_rsa.pub) that you generated into the Public Key Data field.
Important
Avoid adding whitespace or new lines into the Key Data field, as they can cause Azure DevOps Services to use an invalid public key. When pasting in the key, a newline often is added at the end. Be sure to remove this newline if it occurs.
Give the key a useful description (this description will be displayed on the SSH public keys page for your profile) so that you can remember it later. Select Save to store the public key. Once saved, you cannot change the key. You can delete the key or create a new entry for another key. There are no restrictions on how many keys you can add to your user profile.
Test the connection by running the following command: ssh -T git@ssh.dev.azure.com.If everything is working correctly, you'll receive a response which says: remote: Shell access is not supported.If not, see the section on Questions and troubleshooting.

Step 3: Clone the Git repository with SSH

Note

To connect with SSH from an existing cloned repo, see updating your remotes to SSH.

Copy the SSH clone URL from the web portal. In this example, the SSL clone URL is for a repo in an organization named fabrikam-fiber, as indicated by the first part of the URL after dev.azure.com.
Note
Project URLs have changed with the release of Azure DevOps Services and now have the format dev.azure.com/{your organization}/{your project}, but you can still use the existing visualstudio.com format. For more information, see VSTS is now Azure DevOps Services.
Run git clone from the command prompt.

SSH may display the server's SSH fingerprint and ask you to verify it.You should verify that the displayed fingerprint matches one of the fingerprints in the SSH public keys page.

SSH displays this fingerprint when it connects to an unknown host to protect you from man-in-the-middle attacks.Once you accept the host's fingerprint, SSH will not prompt you again unless the fingerprint changes.

When you are asked if you want to continue connecting, type yes. Git will clone the repo and set up the origin remote to connect with SSH for future Git commands.

Tip

Avoid trouble: Windows users will need to run a command to have Git reuse their SSH key passphrase.

Questions and troubleshooting

Q: After running `git clone`, I get the following error. What should I do?

A: Manually record the SSH key by running:ssh-keyscan -t rsa domain.com >> ~/.ssh/known_hosts

Q: How can I have Git remember the passphrase for my key on Windows?

A: Run the following command included in Git for Windows to start up the ssh-agent process in PowerShell or the Windows Command Prompt. ssh-agent will cacheyour passphrase so you don't have to provide it every time you connect to your repo.

If you're using the Bash shell (including Git Bash), start ssh-agent with:

Q: I use PuTTY as my SSH client and generated my keys with PuTTYgen. Can I use these keys with Azure DevOps Services?

A: Yes. Load the private key with PuTTYgen, go to Conversions menu and select Export OpenSSH key.Save the private key file and then follow the steps to set up non-default keys.Copy your public key directly from the PuTTYgen window and paste into the Key Data field in your security settings.

Q: How can I verify that the public key I uploaded is the same key as I have locally?

A: You can verify the fingerprint of the public key uploaded with the one displayed in your profile through the following ssh-keygen command run against your public key usingthe bash command line. You will need to change the path and the public key filename if you are not using the defaults.

You can then compare the MD5 signature to the one in your profile. This check is useful if you have connection problems or have concerns about incorrectlypasting in the public key into the Key Data field when adding the key to Azure DevOps Services.

Q: How can I start using SSH in a repository where I am currently using HTTPS?

A: You'll need to update the origin remote in Git to change over from a HTTPS to SSH URL. Once you have the SSH clone URL, run the following command:

You can now run any Git command that connects to origin.

Q: I'm using Git LFS with Azure DevOps Services and I get errors when pulling files tracked by Git LFS.

A: Azure DevOps Services currently doesn't support LFS over SSH. Use HTTPS to connect to repos with Git LFS tracked files.

Q: How can I use a non default key location, i.e. not ~/.ssh/id_rsa and ~/.ssh/id_rsa.pub?

A: To use keys created with ssh-keygen in a different place than the default, you do two things:

The keys must be in a folder that only you can read or edit. If the folder has wider permissions, SSH will not use the keys.
You must let SSH know the location of the keys. You make SSH aware of keys through the ssh-add command, providing the full path to the private key.

On Windows, before running ssh-add, you will need to run the following command from included in Git for Windows:

This command runs in both PowerShell and the Command Prompt. If you are using Git Bash, the command you need to use is:

You can find ssh-add as part of the Git for Windows distribution and also run it in any shell environment on Windows.

On macOS and Linux you also must have ssh-agent running before running ssh-add, but the command environment on these platforms usuallytakes care of starting ssh-agent for you.

Q: I have multiple SSH keys. How do I use different SSH keys for different SSH servers or repos?

A: Generally, if you configure multiple keys for an SSH client and connect to an SSH server, the client can try the keys one at a time until the server accepts one.

However, this doesn't work with Azure DevOps for technical reasons related to the SSH protocol and how our Git SSH URLs are structured. Azure DevOps will blindly accept the first key that the client provides during authentication. If that key is invalid for the requested repo, the request will fail with the following error:

For Azure DevOps, you'll need to configure SSH to explicitly use a specific key file. One way to do this to edit your ~/.ssh/config file (for example, /home/jamal/.ssh or C:Usersjamal.ssh) as follows:

Q: How do I fix errors that mention 'no matching key exchange method found'?

A: Git for Windows 2.25.1 shipped with a new version of OpenSSH which removed some key exchange protocols by default.Specifically, diffie-hellman-group14-sha1 has been identified as problematic for some Azure DevOps Server and TFS customers.You can work around the problem by adding the following to your SSH configuration (~/.ssh/config):

Replace <your-azure-devops-host> with the hostname of your Azure DevOps or TFS server, like tfs.mycompany.com.

Q: What notifications may I receive about my SSH keys?

A: Whenever you register a new SSH Key with Azure DevOps Services, you will receive an email notification informing you that a new SSH key has been added to your account.

Q: What do I do if I believe that someone other than me is adding SSH keys on my account?

A: If you receive a notification of an SSH key being registered and you did not manually upload it to the service, your credentials may have been compromised.

The next step would be to investigate whether or not your password has been compromised. Changing your password is always a good first step to defend against this attack vector. If you’re an Azure Active Directory user, talk with your administrator to check if your account was used from an unknown source/location.

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Linux support is available in Visual Studio 2017 and later.

You can configure a Linux project to target a remote machine or the Windows Subsystem for Linux (WSL). For both remote machines and for WSL, you need to set up a remote connection in Visual Studio 2017.

You can configure a Linux project to target a remote machine or the Windows Subsystem for Linux (WSL). For a remote machine, you need to set up a remote connection in Visual Studio. To connect to WSL, skip ahead to the Connect to WSL section.

When using a remote connection, Visual Studio builds C++ Linux projects on the remote machine. It doesn't matter if it's a physical machine, a VM in the cloud, or WSL.To build the project, Visual Studio copies the source code to your remote Linux computer. Then, the code gets compiled based on Visual Studio settings.

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Note

Visual Studio 2019 version 16.5 and later also supports secure, Federal Information Processing Standard (FIPS) 140-2 compliant cryptographic connections to Linux systems for remote development. To use a FIPS-compliant connection, follow the steps in Set up FIPS-compliant secure remote Linux development instead.

Set up the SSH server on the remote system

If ssh isn't already set up and running on your Linux system, follow these steps to install it. The examples in this article use Ubuntu 18.04 LTS with OpenSSH server version 7.6. However, the instructions should be the same for any distro using a moderately recent version of OpenSSH.

On the Linux system, install and start the OpenSSH server:
If you’d like the ssh server to start automatically when the system boots, enable it using systemctl:

Set up the remote connection

In Visual Studio, choose Tools > Options on the menu bar to open the Options dialog. Then select Cross Platform > Connection Manager to open the Connection Manager dialog.
If you haven't set up a connection in Visual Studio before, when you build your project for the first time, Visual Studio opens the Connection Manager dialog for you.
In the Connection Manager dialog, choose the Add button to add a new connection.
In either scenario, the Connect to Remote System window is displayed.

Enter the following information:

Entry	Description
Host Name	Name or IP address of your target device
Port	Port that the SSH service is running on, typically 22
User name	User to authenticate as
Authentication type	Password and Private Key are both supported
Password	Password for the entered user name
Private key file	Private key file created for ssh connection
Passphrase	Passphrase used with private key selected above

You can use either a password or a key file and passphrase for authentication. For many development scenarios, password authentication is sufficient, but key files are more secure. If you already have a key pair, it's possible to reuse it. Currently Visual Studio only supports RSA and DSA keys for remote connections.

Choose the Connect button to attempt a connection to the remote computer.
If the connection succeeds, Visual Studio configures IntelliSense to use the remote headers. For more information, see IntelliSense for headers on remote systems.
If the connection fails, the entry boxes that need to be changed are outlined in red. Download phonerescue for mac.
If you use key files for authentication, make sure the target machine's SSH server is running and configured properly.

Logging for remote connections

You can enable logging to help troubleshoot connection problems. On the menu bar, select Tools > Options. In the Options dialog, select Cross Platform > Logging:

Ssh Connection Manager For Macbook

Logs include connections, all commands sent to the remote machine (their text, exit code and execution time), and all output from Visual Studio to the shell. Logging works for any cross-platform CMake project or MSBuild-based Linux project in Visual Studio.

You can configure the output to go to a file or to the Cross Platform Logging pane in the Output window. For MSBuild-based Linux projects, MSBuild commands sent to the remote machine aren't routed to the Output Window because they're emitted out-of-process. Instead, they're logged to a file, with a prefix of 'msbuild_'.

Command-line utility for the Connection Manager

Visual Studio 2019 version 16.5 or later: ConnectionManager.exe is a command-line utility to manage remote development connections outside of Visual Studio. It's useful for tasks such as provisioning a new development machine. Or, you can use it to set up Visual Studio for continuous integration. For examples and a complete reference to the ConnectionManager command, see ConnectionManager reference.

TCP Port Forwarding

Visual Studio's Linux support has a dependency on TCP port forwarding. Rsync and gdbserver are affected if TCP port forwarding is disabled on your remote system. If you're impacted by this dependency, you can upvote this suggestion ticket on Developer Community.

rsync is used by both MSBuild-based Linux projects and CMake projects to copy headers from your remote system to Windows for use by IntelliSense. When you can't enable TCP port forwarding, disable the automatic download of remote headers. To disable it, use Tools > Options > Cross Platform > Connection Manager > Remote Headers IntelliSense Manager. If the remote system doesn't have TCP port forwarding enabled, you'll see this error when the download of remote headers for IntelliSense begins:

rsync is also used by Visual Studio's CMake support to copy source files to the remote system. If you can't enable TCP port forwarding, you can use sftp as your remote copy sources method. sftp is often slower than rsync, but doesn't have a dependency on TCP port forwarding. You can manage your remote copy sources method with the remoteCopySourcesMethod property in the CMake Settings Editor. If TCP port forwarding is disabled on your remote system, you'll see an error in the CMake output window the first time it invokes rsync.

gdbserver can be used for debugging on embedded devices. If you can't enable TCP port forwarding, then you must use gdb for all remote debugging scenarios. gdb is used by default when debugging projects on a remote system.

Connect to WSL

Ssh Manager Mac Os

In Visual Studio 2017, you use the same steps to connect to WSL as you use for a remote Linux machine. Use localhost for the Host Name.

Visual Studio 2019 version 16.1 added native support for using C++ with the Windows Subsystem for Linux (WSL). That means you can build and debug on your local WSL installation directly. You no longer need to add a remote connection or configure SSH. You can find details on how to install WSL here.

To configure your WSL installation to work with Visual Studio, you need the following tools installed: gcc or clang, gdb, make, ninja-build (only required for CMake projects using Visual Studio 2019 version 16.6 or later), rsync, and zip. You can install them on distros that use apt by using this command, which also installs the g++ compiler:

For more information, see Download, install, and set up the Linux workload.

To configure an MSBuild project for WSL, see Configure a Linux project. To configure a CMake project for WSL, see Configure a Linux CMake project. To follow step-by-step instructions for creating a simple console application with WSL, check out this introductory blog post on C++ with Visual Studio 2019 and the Windows Subsystem for Linux (WSL).

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How SSH key authentication works