Just become root (su -) and edit the file.
Several folks have answered this: you have to access the editor
from the command line. Even if it's a GUI editor. So if you want to
use gedit, or Kate, you'd have to go to a terminal, and become root,
either by su > password > Kate, or sudo Kate. Then find and open
the file and edit it, and save it.It should save OK, since you were
running in root.
--doug
As a matter of curiosity, have you set up sudo?
sudo allows one to perform certain root commands as if root.
Once set up, the command sudo gedit /etc/filename would ask for the
user password and grant root access to edit the file.
Roger
You are correct, Roger, but some distros do not include sudo (and
sudoers and visudo) in their regular repos. I believe that
this is unfortunate, and it may be possible to suss out a way to obtain
them then, but it is necessary for some users to
know the su system of using root capability. (I am forbidden by the
purveyors of the distro I use from going into any
greater detail.)
--doug
--
Blessed are the peacekeepers...for they shall be shot at from both sides. --A.M. Greeley
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