Linux

Adding a user to the sudoers list in Ubuntu

Stop using root for administrative tasks. Here is how to add a new user to the sudoers list in Ubuntu.

Feb 28, 2014

A more powerful version of grep

The utility command grep has a more powerful brother that let us use POSIX Extended Regular Expressions.

Jan 31, 2014

Display disk usage with the du command

How to display the total of the current directory or a particular directory, as well as listing subtotals (subdirectories).

Dec 5, 2013