A Linux implementation of Get-Service

Get-Service.ps1

Function Get-Service {
    [CmdletBinding()]

    Param(
    [Parameter( Position = 0, ValueFromPipeline = $True )][String]$Name
    )

    Begin {
    # Stop Function if Not Linux
        If ( -Not $IsLinux ) {
            Throw "This function should only be run on Linux systems"
        }
    }

    Process {

        If ( (Get-Process -Id 1).ProcessName -eq 'systemd') {

            If ( $PSBoundParameters.ContainsKey('Name') ) {
                $services = & systemctl list-units "$Name.service" --type=service --no-legend --all --no-pager
            } Else {
                $services = & systemctl list-units --type=service --no-legend --all --no-pager
            }

            $services | ForEach-Object {
                $service = $_ -Split '\s+'

                $name, $load, $active, $sub, $desc = $service

                [PSCustomObject]@{
                "Name"          = $name.Split('.') | Select-Object -First 1
                "Load"          = $load
                "Active"        = $active
                "State"           = $sub
                "Description"   = $desc -join " "
                }
            }
        } Else {

            $services = & service --status-all *>&1

            $services | ForEach-Object {
                $service = $_.ToString()

                $status = switch ($service[3]) {
                    '-' {"Stopped"}
                    '+' {"Running"}
                    '?' {"Unavailable"}
                    default {"Unavailable"}
                }

                $name = ($service -split " ")[5]

                [PSCustomObject]@{
                "Name"          = $name
                "State"        = $status
                }
            }
        }
    }
}