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

On many of the most popular Linux distributions, including Ubuntu, it's possible to log into your computer as a "root" user.

Linux, renowned for its robustness and security, is a powerful multi-user operating system that allows multiple people to interact with the same system resources without interfering with each other.

WTF?! Security researchers are always looking for innovative ways to exploit systems, and a blogger's latest technique takes it to a shockingly low-tech level. David Buchanan, a well-known hardware ...