Look at almost any mission-critical computer system in the world—servers, workstations, embedded computers, and many more—and ...

Sudo lets you run any terminal command as another user — hence "substitute user" — but the default and most common use for it ...

Ever tried to execute a command on your Linux system and received a “Permission Denied” error? The simplest solution to counter this error is using the “sudo ...

To secure the Linux kernel from unauthorized access, the operating system provides the option of creating different users with different privileges. You can easily switch users in Linux using commands ...

Sudo is a powerful but imperfect Linux tool. These tips can help make using sudo easier and safer. Always use caution when monkeying with sudo. I started using Linux prior to the advent of sudo. Back ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Keeping your Amazon account secure is a major concern for every AWS user and admin. Here are the ...

The XZ-Utils backdoor, first discovered in March 2024, is still present in at least 35 Linux images on Docker Hub, potentially putting users, organizations, and their data at risk. Docker Hub is the ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, July 28, 2025: This story, originally published on ...

Two flaws, one undetected for over a decade, allow unintended root access on Ubuntu and Debian systems, prompting urgent patching across enterprise environments. Two new vulnerabilities have been ...

Security researchers have discovered a critical elevation of privilege (EoP) vulnerability in a popular Linux utility, and another that has been lying hidden for over a decade. Sudo is a privileged ...