How to get a permanent resolv.conf on Ubuntu? - Firdaus Ahmad
linux - How do I set my DNS when resolv.conf is being overwritten? - Unix & Linux Stack Exchange
networking - How to make persistent changes to /etc/resolv.conf Ubuntu 18.10 - Ask Ubuntu
NetworkManager in Ubuntu not setting resolv.conf correctly : r/linux4noobs
技术|Linux DNS 查询剖析（第三部分）
Stop Network Manager overwriting resolv.conf - Technology from Tukwila
14.04 - nameserver 127.0.1.1 in resolv.conf won't go away! - Ask Ubuntu
NetworkManager changes and improvements - Fedora Magazine
Anatomy of a Linux DNS Lookup – Part III – zwischenzugs
How to take back control of /etc/resolv.conf on Linux | Ctrl blog
network manager - NetworkManager updates to a bad nameserver in /etc/resolv. conf on restart - Ask Ubuntu
upgrade - How to add a name server to Ubuntu - Ask Ubuntu
networking - How to make persistent changes to /etc/resolv.conf Ubuntu 18.10 - Ask Ubuntu
systemd-resolved: introduction to split DNS - Fedora Magazine
What Does It Take To Resolve A Hostname
How To Run OpenVPN Automatically On Debian With A Static IP Address - Linux Tutorials - Learn Linux Configuration
etc/resolv.conf not updated after openfortivpn update to 1.11.0 · Issue #503 · adrienverge/openfortivpn · GitHub
resolve.conf issue with installing v 2.0.21 · Issue #104 · cpriego/valet-linux · GitHub
GitHub - pexip/os-resolvconf: Packaging for resolvconf
A name resolution issue with systemd-resolved we found in the wild
