ssh上传密钥过程，出现 无法识别“ssh-copy-id

[cxbl-ops]

一， 首先生成密钥对

ssh-keygen -t rsa 

二，上传公钥

ssh-copy-id admin@192.168.x.x

三，问题

:::info{title="错误信息"}
ssh-copy-id : 无法将“ssh-copy-id”项识别为 cmdlet、函数、脚本文件或可运行程序的名称。
:::

执行

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"      
    }
}