## Force DNS Usage inside VPN

```bash
$ cat /etc/systemd/system/vpn-dns.service
[Unit]
Description=VPN DNS Configuration

[Service]
Type=oneshot
ExecStart=/bin/vpn-dns.sh
Environment=TERM=xterm

[Install]
WantedBy=multi-user.target
```

```bash
$ cat /bin/vpn-dns.sh
#!/bin/bash

echo "Getting current DNS servers, this takes a couple of seconds"

/mnt/c/Windows/System32/WindowsPowerShell/v1.0/powershell.exe -Command '
$ErrorActionPreference="SilentlyContinue"
Get-NetAdapter -InterfaceDescription "WireGuard Tunnel*" | Get-DnsClientServerAddress | Select -ExpandProperty ServerAddresses
Get-NetAdapter | ?{-not ($_.InterfaceDescription -like "WireGuard Tunnel*") } | Get-DnsClientServerAddress | Select -ExpandProperty ServerAddresses
' | \
        awk 'BEGIN { print "# Generated by vpn fix func on", strftime("%c"); print } { print "nameserver", $1 }' | \
        tr -d '\r' > /etc/resolv.conf
clear
```
### Show Networks

c/> Get-NetAdapter