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

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 new Linux vulnerability known as 'Dirty Pipe' allows local users to gain root privileges through publicly available exploits. Today, security researcher Max Kellermann responsibly disclosed the ...

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 ...

Malware targeting Linux users may not be as widespread as the strains targeting the Windows ecosystem, but Linux malware is becoming just as complex and multi-functional as time passes by. The latest ...

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 ...

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 ...

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 ...

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 ...

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 ...