In this detailed tutorial, we will explain what Nmap is, why it's used, how to install it, and walk through the most important Nmap commands every network admin and security professional should know.

A 16-year-old Linux kernel vulnerability, dubbed Januscape, allows attackers to escape a virtual machine and execute ...

A Linux vulnerability that allows untrusted virtual machines to gain root access to host machines is one of two high-severity ...

A newly disclosed use-after-free in the Linux kernel's epoll code, CVE-2026-46242, lets an unprivileged user get root on ...

Baffled by the command line? Take it easy with these tips to smooth your journey.

Infosecurity spoke with the researcher who dumped over 30 proof-of-concept exploits without disclosing the vulnerabilities ...

Termux is one of my favorite mobile apps. Since discovering the terminal emulator a few months back, I've been having fun with experiments. It got me thinking about how some of the apps available as ...

grep finds lines. cut extracts fields. sort and uniq count and rank. sed edits. awk does all of that, and it does it with logic. Every tool covered so far in this series does one thing well. awk does ...

Stuff broke again. Not in a movie way. An old tool was left exposed. An abandoned package was abused. A deprecated feature was still running in prod. This week is the same lesson in a new form: ...

Learn the important things to back up before reinstalling your Linux system. SSH/GPG keys, dotfiles, packages, browser data, 2FA and more.