How to set up ssh agent on multiple platforms and use it in Git

SSH Agent Settings Git

When using Git for version control, we sometimes need to access the Git server through an SSH agent to solve problems in network environments that cannot be directly accessed. This article explains how to set up an SSH agent on Windows, Linux, and macOS systems, and use the agent with Git.

Windows

In Windows systems, we can use PuTTY software to set up the SSH agent. The specific steps are as follows:

1. Download and install PuTTY software, download address: https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html.
2. Open the PuTTY software, enter the host name and port number of the Git server in the Session panel, and click Open to enter the terminal.
3. Enter your username and password in the terminal to log in to the Git server.

4. Select Connection -> SSH -> Tunnels in the left panel of PuTTY software and set the local port and target host port, as shown in the figure:

   

5. Click the Add button to save the settings and return to the Session panel.
6. Save the current settings in the Session panel for quick login next time.

7. Now we can access the Git server through the local proxy port. In Git Bash or other terminals, use the following command to set the proxy:

   git config --global core.gitproxy "socks5://127.0.0.1:1080"

   where "127.0.0.1:1080" is the local proxy port we set in PuTTY.

Linux and macOS

In Linux and macOS systems, we can use the OpenSSH client to set up the SSH agent. The specific steps are as follows:

1. Enter the following command in the terminal to open the SSH configuration file:

   vi ~/.ssh/config

2. Add the following content at the end of the file:

   Host git.example.com
       ProxyCommand nc -w 120 -X connect -x socks5://127.0.0.1:1080 %h %p

   Among them, "git.example.com" is our Git server host name, and "127.0.0.1:1080" is our local proxy address and port.

3. Now we can test whether the SSH agent is successfully configured by using the following command:

   ssh git.example.com

   If the Git server is successfully connected, it means that the SSH agent has been set up normally.

4. Finally, use the following command in the terminal to set up the Git proxy:

   git config --global core.gitproxy "command nc -x 127.0.0.1:1080 %h %p"

   Among them, "127.0.0.1:1080" is our local proxy address and port.

Summary

Through the above steps, we can quickly set up an SSH agent to access the Git server in Windows, Linux and macOS systems. In actual project development, setting up agents appropriately can improve our work efficiency and solve problems caused by network environment limitations.

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