ssh解决一次登录后重复登录的问题

vim~/.ssh/config 文件，添加如下：

Host *
    ForwardAgent yes
    ServerAliveInterval 3
    ServerAliveCountMax 20
    TCPKeepAlive no
    # Make connect faster
    ControlMaster auto
    ControlPath ~/.ssh/%h-%p-%r
    ControlPersist 4h
    Compression yes