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Fix Windows Subsystem for Linux DNS after connecting to a VPN
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| # | |
| # Refresh WSL's DNS | |
| # for .bashrc | |
| # | |
| type dnsfix &> /dev/null | |
| if [ $? -ne 0 ]; then | |
| dnsfix () { | |
| local search=$(grep -F "search" /etc/resolv.conf); | |
| local ipv4dnsraw=$(/mnt/c/Windows/system32/netsh.exe interface ip show dns | tr -d '\r'); | |
| local ipv6dnsraw=$(/mnt/c/Windows/system32/netsh.exe interface ipv6 show dns | tr -d '\r'); | |
| local nameservers=$( printf '%s\n%s\n' "${ipv4dnsraw}" "${ipv6dnsraw}" | grep -iF "DNS Servers" | grep -v "None" | cut -c 43- | uniq | sed 's/^/nameserver /') | |
| printf '%s on %s\n%s\n%s\n' '# generated by dnsfix' "`date`" "${nameservers}" "${search}" | sudo tee /etc/resolv.conf; | |
| } | |
| export -f dnsfix | |
| fi |
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Updated to better handle IPV6, windows oddities like "None" and blanks.