NetworkManager (for resolv.conf and firewalld) on CentOS7

As I am spiralling into Linux server administration, there’s certainly a lot to learn. Certainly a lot leaves me wanting BSD, but since that’s not an option, … here we go. NetworkManager The NetworkManager on Linux (or CentOS specially) manages the network. Whatever content/blog posts/knowledge base I found. It usually suggests that you uninstall it first. Common problems are that people are unable to manage /etc/resolv.conf — because changes made by them to that file get overwritten again....

September 25, 2019 · 2 min