
This article was written in 2018. Versions, tools and recommendations may have changed since then. Newer posts are collected under Blog.
Often, I have the problem that the buttons of the Ubuntu Mate Network Manager to edit or delete network entries are disabled. This means the current user - even if I am root - do not have permissions.
This is a long existing bug, but easy to fix: just start the network connection manager with sudo!
sudo nm-connection-editorNow the buttons are enabled and you can delete or edit your connections :-)
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