[Console]::OutputEncoding = [Text.Encoding]::UTF8
Set-ExecutionPolicy -Scope Process Bypass -Force
Import-Module Posh-SSH
$sec = ConvertTo-SecureString "0" -AsPlainText -Force
$cred = New-Object PSCredential("tonycao", $sec)
$s = New-SSHSession -ComputerName 192.168.58.7 -Credential $cred -AcceptKey -ConnectionTimeout 15
$r = Invoke-SSHCommand -SSHSession $s -Command "wc -l ~/butler.log; echo '---'; grep -vE '发现请求 type1' ~/butler.log | tail -30"
Write-Host ($r.Output -join "`n")
Remove-SSHSession $s | Out-Null