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 ...

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 ...

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 ...