In Linux systems, including Debian 12, the sudo group grants users the ability to execute administrative commands. This provides them with the privileges to install, update, and delete software, ...

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 ...

Linux, renowned for its robustness and security, is a powerful multi-user operating system that allows multiple people to interact with the same system resources without interfering with each other.

It is no secret that Linux is a far more secure option than Windows. From the ground up, Linux was designed to be highly secure. Since I started using Linux (back in '97), I've only had one ...

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 ...

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

I have a user on a Linux machine that runs a whole bunch of cron jobs. I'd like to give people who are not root access to su to that user (without knowing a shared password), so they can edit that ...

Vulnerabilities recently discovered by Microsoft make it easy for people with a toehold on many Linux desktop systems to quickly gain root system rights— the latest elevation of privileges flaw to ...

The fuser (pronounced “ef-user”) command is a very handy command for determining who is currently using a particular file or directory. If one user can’t access a file because another user has it ...

I used to rely on the “finger -i” command to tell me how many users were logged into systems I managed and how long each of them had been idle. If I needed to reboot a system and the only users logged ...