The 'sudo' keyword in Unix and Linux allows users to execute certain commands with special-access privileges that cannot otherwise run on a given machine by a user with a lower level of clearance.

Back in the early days of Linux, things were exponentially more complicated. The distributions were far less mature and required a particular system account to get things done. That account was root - ...

Docker permission denied error on Linux can disrupt your workflow. In this guide, we explain its causes and quick fixes.

There was a time when, to use a computer, you merely turned it on and were greeted by a command prompt. Nowadays, most operating systems offer a security model with multiple users. Typically, the ...

Unprivileged attackers can gain root privileges by exploiting a local privilege escalation (LPE) vulnerability in default configurations of the Linux Kernel's filesystem layer on vulnerable devices.

Editor's Note: This content is excerpted from Chapter 11 of Linux Debugging and Performance Tuning: Tips and Techniques, authored by Steve Best, ISBN 0-13-149247-0 ...