ssh

SSH

Generate a New SSH Key

ssh-keygen -t ed25519 -C "your_email@example.com"

View SSH Key

macOS / Linux

cat ~/.ssh/id_ed25519.pub

Windows (PowerShell)

cat $HOME\.ssh\id_ed25519.pub

Configure GitHub to Use SSH over the HTTPS Port

Host github.com  HostName ssh.github.com  Port 443  User git

Test SSH Connection

ssh -T git@github.com

Configure Proxy

ProxyCommand nc -X 5 -x 127.0.0.1:7890 %h %p

SSH Agent Key Management

Start ssh-agent Service on Windows

On Windows, you need to start the ssh-agent service before using it:

Set-Service -Name ssh-agent -StartupType AutomaticStart-Service ssh-agent

Add Key to SSH Agent

macOS / Linux:

ssh-add ~/.ssh/id_ed25519

Windows (PowerShell):

ssh-add $HOME\.ssh\id_ed25519

List Added Keys

ssh-add -l

Remove Key from SSH Agent

Remove a specific key:

macOS / Linux:

ssh-add -d ~/.ssh/id_ed25519

Windows (PowerShell):

ssh-add -d $HOME\.ssh\id_ed25519

Remove all keys:

ssh-add -D