WSL + systemd

start-wsl.ps1

Param(
  [String]$distro = "Ubuntu"
)

Write-Host "Start WSL $distro ..."
wsl -d $distro -u root -e bash -c 'apt list daemonize || (apt update && apt install daemonize -y) && daemonize $(which bash) -c \"while true; do sleep 1d; done\"'
Write-Host "WSL $distro has been started."

Write-Host "Set portproxy ..."

$wsl_ipv4 = wsl -d $distro -e bash -c "hostname -I | cut -d' ' -f1"
netsh interface portproxy delete v4tov4 listenport=22
netsh interface portproxy delete v6tov4 listenport=22
netsh interface portproxy add    v4tov4 listenport=22 connectaddress=$wsl_ipv4
netsh interface portproxy add    v6tov4 listenport=22 connectaddress=$wsl_ipv4
Write-Host "ssh portproxy has been set to $wsl_ipv4"

$wsl_ipv6 = wsl -d $distro -e bash -c "ip -6 a show eth0 | grep inet6 | sed -E 's/\s+/ /g' | xargs | cut -d' ' -f2 | cut -d/ -f1"
netsh interface portproxy delete v4tov6 listenport=22
netsh interface portproxy delete v6tov6 listenport=22
netsh interface portproxy add    v4tov6 listenport=22 connectaddress=$wsl_ipv6
netsh interface portproxy add    v6tov6 listenport=22 connectaddress=$wsl_ipv6
Write-Host "ssh portproxy has been set to $wsl_ipv6"

Start-Sleep 5