WSL 2 Scripts and Hacks

_wsl.md

A set of Hacks and scripts for WSL2 Ubuntu distro

profile

# if running bash
if [ -n "$BASH_VERSION" ]; then
  if [ -f "$HOME/.bashrc" ]; then
    . "$HOME/.bashrc"
  fi
fi

# set PATH so it includes user's private bin if it exists
if [ -d "$HOME/bin" ] ; then
  PATH="$HOME/bin:$PATH"

  # WSL hacks
  export WINIP=$($HOME/bin/wslhost)
  export WSLIP=$($HOME/bin/wslip)
  export DISPLAY="${WINIP}:0.0"
  export LIBGL_ALWAYS_INDIRECT=1

  . $HOME/bin/wsldns
fi

# set PATH so it includes user's private bin if it exists
if [ -d "$HOME/.local/bin" ] ; then
  PATH="$HOME/.local/bin:$PATH"
fi

reset-forward.ps1

# reset port forwarding rules

netsh interface portproxy reset

wsldns

#!/usr/bin/env bash
# change wsl to use openvp dns

PATH=$PATH:/mnt/c/Windows/System32/WindowsPowerShell/v1.0
OPENVPN=$(powershell.exe -Command 'Get-DnsClientServerAddress -AddressFamily ipv4' | grep OpenVPN | grep -P '\{.+\}')
BACKUP=/run/resolv.conf

if [[ ! -z $OPENVPN ]]; then
  if [[ ! -f /etc/resolv.conf || ! $(grep -iF openvpn /etc/resolv.conf) ]]; then
    if [[ -f /etc/resolv.conf ]]; then
      sudo cp -f /etc/resolv.conf $BACKUP
    fi

    echo '# This file was automatically generated using OpenVPN DNS' | sudo tee /etc/resolv.conf &> /dev/null
    powershell.exe -Command "Get-DnsClientServerAddress -AddressFamily ipv4 | Select-Object -ExpandProperty ServerAddresses" \
      | grep -P '[\d\.]+' | sed 's/^/nameserver /' | sed $'s/\r$//' | sudo tee -a /etc/resolv.conf &> /dev/null
    echo "Enabled OpenVPN DNS"
  fi
else
  if [[ -f /etc/resolv.conf && $(grep -iF openvpn /etc/resolv.conf) ]]; then
    sudo rm -f /etc/resolv.conf
    if [[ ! -f $BACKUP ]]; then
      echo "DNS backup missing, reload required"
      exit 1
    fi
    sudo mv -f $BACKUP /etc/resolv.conf
    echo "Enabled WSL DNS"
  fi
  if [[ -f $BACKUP ]]; then
    sudo rm -f $BACKUP
  fi
fi

wslhost

#!/usr/bin/env bash
# return windows host ip address

route -n | grep ^0.0.0.0 | awk '{print $2}' | tr -d "\n"

wslip

#!/usr/bin/env bash
# return wsl instance ip address

ip route get 8.8.8.8 | awk '{print $7}' | tr -d "\n"

xdebug.ps1

# proxy port 9003 from host to wsl instance

netsh interface portproxy add v4tov4 listenport=9003 connectaddress=$(wsl /home/user/bin/wslip) connectport=9003
netsh interface portproxy show all

Read-Host -Prompt "Press Enter to continue"