Uly.me

cloud engineer

Home/Archives for check

Check If Domain Joined

Here’s the command to check if instance is domain joined.

realm discover domain.com

To check if AD user is working.

id user@ad.example.com

To check if AD group is working.

getent group ad-group

GCE Agent Powershell

This is a Powershell script to restart a service if it’s down.

$ServiceName = 'GCEAgent'
$arrService = Get-Service -Name $ServiceName
 
if ($arrService.Status -ne 'Running')
{
 
    Start-Service $ServiceName
    write-host $arrService.status
    write-host 'Service starting'
    Start-Sleep -seconds 60
    $arrService.Refresh()
    if ($arrService.Status -eq 'Running')
    {
        Write-Host 'GCE Agent Service is now Running'
    }
 
}
else
{
    Write-Host 'GCE Agent Service is Running'
}

GCP Check Instances Running

Here’s how to check if instances are running in GCP. 

#!/bin/bash
while IFS=', ' read -r a b c; do
  instance="${a//[[:blank:]]/}"
  project="${b//[[:blank:]]/}"
  zone="${c//[[:blank:]]/}"
  gcloud compute instances describe $instance \
  --zone $zone --project $project \
  --format='table[no-heading](name,status,zone)'
done < instance-list.txt

Instances are read from an external file. File is comma delimited with instance name, project id and zone data.