SSH密钥登录

给自己做笔记，方便未来查阅

参考：SSH教程

参考链接：win10 ssh 上传密钥过程，出现 无法将“ssh-copy-id”项识别

打开powershell，将以下内容整体运行即可

function ssh-copy-id([string]$userAtMachine, $args){   
    $publicKey = "$ENV:USERPROFILE" + "/.ssh/id_rsa.pub"
    if (!(Test-Path "$publicKey")){
        Write-Error "ERROR: failed to open ID file '$publicKey': No such file"            
    }
    else {
        & cat "$publicKey" | ssh $args $userAtMachine "umask 077; test -d .ssh || mkdir .ssh ; cat >> .ssh/authorized_keys || exit 1"      
    }
}