Installs OpenSSH Server on Windows 10

Install-OpenSshServer.ps1

# Run as Administrator

$openSshStatus = Get-WindowsCapability -Online | ? Name -like 'OpenSSH.Server*'
if($openSshStatus[0].State -eq "NotPresent"){ 
    Write-Output "OpenSSH server not detected. Processing to installation..." 
    $installResult = Add-WindowsCapability -Online -Name OpenSSH.Server~~~~0.0.1.0
    if($installResult.Online -eq $true){
        Write-Output "Installation succeeded."
    }
} else {
    Write-Output "OpenSSH server is already installed."
}

$sshd = Get-Service sshd # SSH Server deamon
if($sshd.Status -ne "Running"){
    # Register
    Set-Service -Name sshd -StartupType 'Automatic'

    # Confirm the Firewall rule is configured. It should be created automatically by setup. 
    $fwRule = Get-NetFirewallRule -Name *ssh*
    if($fwRule -eq $null) {
        # There should be a firewall rule named "OpenSSH-Server-In-TCP", which should be enabled
        # If the firewall does not exist, create one
        New-NetFirewallRule -Name sshd -DisplayName 'OpenSSH Server (sshd)' -Enabled True -Direction Inbound -Protocol TCP -Action Allow -LocalPort 22
    }

    Start-Service sshd
} else {
    Write-Output "OpenSSH server is running."
}


# https://docs.microsoft.com/en-us/windows-server/administration/openssh/openssh_install_firstuse
# https://365adviser.com/powershell/install-use-openssh-windows-powershell-core-remoting-via-ssh/