The sudo command lets users elevate their privileges to run admin tasks. But it's far from perfect. These tips can help.

Configuring login messages on Linux servers is more complex and dynamic. Let's look at the message of the day setup on an Ubuntu server to decipher how the process works.

Most of the Linux configuration files are plain text and can be edited with either the Gedit graphical editor in GNOME or the Vi command line text editor, depending on your preference.