A few minutes later, it's back. You delete it again. It returns. You reboot the entire system. Still, the malware survives. Welcome to Cron Persistence, one of the oldest tricks in the Linux malware ...

Learn how to set up free bot and fake account protection with CrowdSec and ALTCHA on Ubuntu. Block fake signups, spam, and ...

Linus Torvalds released the seventh release candidate (RC7) for Linux Kernel 7.2. Learn what's new in Kernel 7.2-rc7.

We just created a normal user called "senthil". This user has not been given sudo access yet. So he can't perform any administrative tasks. You can verify if an user has sudo access or not like below.

Applying updates regularly should be the top priority in the day-to-day tasks of a System administrator. Running unpatched systems for a long time is quite risky. There are many ways to patch your ...

A significant security flaw was recently discovered in Ubuntu, and it involves a bit of a waiting game. The Qualys Threat Research Unit identified a Local Privilege Escalation (LPE) vulnerability, ...

Learn how to set up a highly available load balancer stack with Keepalived, HAProxy, … OSTechNix (Open Source, Technology, Nix*) regularly publishes the latest news, how-to articles, tutorials and ...

Even if you use a screen lock, review app permissions, and maybe even run a VPN, these are just the first steps of privacy. But there is another layer of privacy settings that often goes overlooked, ...

Learn how to containerize a legacy Linux app without downtime. Real strace/lsof commands, Dockerfile fixes, and a safe ...

In our previous tutorial titled "Getting Started with Proxmox Backup Server", we discussed how to backup and restore Proxmox VMs and Containers. Today, we will learn how to create file level backups ...

This tutorial provides a concise explanation of the Apt package manager and presents a curated list of 15 useful Apt Linux command examples for efficient package management in Debian and its ...