Logging in as the root user should never be done on Linux. Using the root account could lead to disaster. Sudo is the preferred method of gaining elevated privileges. When I first started using Linux ...

A vulnerability in the Linux sudo command has been discovered that could allow unprivileged users to execute commands as root. Thankfully, this vulnerability only works in non-standard configurations ...

Two new vulnerabilities have been discovered in widely deployed Linux components that could allow unprivileged users to gain root access across popular distributions. The first is a local privilege ...

Of all the Linux commands, rm is notorious. It's easy to completely wipe out your system with one mislaid rm command as root.

A major vulnerability impacting a large chunk of the Linux ecosystem has been patched today in Sudo, an app that allows admins to delegate limited root access to other users. For the technical details ...

A new Linux NetFilter kernel flaw has been discovered, allowing unprivileged local users to escalate their privileges to root level, allowing complete control over a system. The CVE-2023-32233 ...

Attackers can now gain root privileges on millions of Linux systems — by exploiting an easy-to-exploit, newly discovered buffer overflow flaw in a common library used on most major distributions of ...

In the Linux Journal article “Implementing Encrypted Home Directories” (August 2003), I described how to encrypt home directories transparently. This article describes how to implement another ...