git ssh生成

# ed25519
ssh-keygen -t ed25519 -C "<comment>"
#rsa 2048
ssh-keygen -t rsa -b 2048 -C "email@example.com"


ssh-keygen -t rsa

eval $(ssh-agent -s)
ssh-add
ssh -A username@computer_b

 ~/.ssh/config

bash
Copy code
Host *
  ForwardAgent yes

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

需要把权限设置为600或400，注意不要设置.ssh文件夹的权限，只设置公钥私钥的权限就行