ssh key 的生成与配置

生成 ssh key

ssh-keygen -C foo@bar -f ~/.ssh/key.ssh
[-C comment] [-f output_keyfile]

提示

• -C 参数用于指定公钥尾部的 用户名@主机名 组合。
• -f 参数用于指定生成的密钥对文件名。

ssh 配置

Host *
  AddKeysToAgent yes
  UseKeychain yes
  IdentityFile ~/.ssh/key.ssh

ssh 登录跳板机

Host jumpserver
  HostName 172.0.0.1
  Port 2222
  User userName
  IdentityFile ~/.ssh/key.ssh

ssh jumpserver

scp 文件传输

Host dlservere
  HostName 172.0.0.1
  Port 22
  User root
  IdentityFile /path/of/key

scp dlservere:/remote/path/of/source /local/path/of/target

FAQ

• no matching host key type found. Their offer: ssh-rsa

Host *
  AddKeysToAgent yes
  UseKeychain yes
  IdentityFile /path/of/key
  HostkeyAlgorithms +ssh-rsa
  PubkeyAcceptedKeyTypes +ssh-rsa