12 Ways to Use the dmesg Command in Linux to View and Troubleshoot Kernel Messages
Most people run dmesg once, see thousands of lines, and close the terminal. But that’s not…
How to Monitor Commands Executed by Linux Users in Real Time
Checking .bash_history after the fact, it only shows the commands a user typed, and that’s only…
Prometheus TSDB: Manage Data Storage and Retention on Linux
Prometheus stores every metric it collects in its own time-series database (TSDB). Over time, this database…
5 Ways to Check Remote Port Connectivity in Linux
You’ve just deployed a service, opened a firewall rule, or configured a reverse proxy, and now…
4 Tools to Find Which Linux Process Is Using Your Bandwidth
Your Linux server’s network is maxed out, and you have no idea what’s eating it, so…
How to Stop Linux Processes from Using Excessive CPU and RAM
A process suddenly consuming 99% of your CPU at 2 AM can turn a stable server…
How to Install Icinga 2 Monitoring Server on Rocky Linux 10
Icinga 2 is a free and open-source monitoring tool that helps you keep an eye on…
Upgrade Rocky Linux 9 to Rocky Linux 10.1
In this article, we’ll show you how to move from Rocky Linux 9 to Rocky Linux…
witr: A Tool That Explains Why a Linux Process Is Running
ps aux shows you what is running on your system, but witr goes a step further…
6 Open Source Tools to Monitor MySQL Performance in Linux
MySQL ships with decent built-in diagnostics, but when your database is slowing down under load, you…
How to Monitor Linux Performance with Sysstat Tools
Sysstat is a collection of performance monitoring utilities for Linux that includes mpstat, pidstat, iostat, and…
watch: The One Linux Command You Keep Forgetting to Use
You’re running df -h every 30 seconds by hand to watch a disk fill up, typing…
df Command in Linux: Disk Space, Inodes & Real Fixes
On the internet, you will find plenty of tools for checking disk space usage in Linux….
CrowdStrike Advances CNAPP with Industry-First Adversary-Informed Risk Prioritization
By correlating runtime application behavior with cloud infrastructure findings, Application Explorer gives organizations a precise view…
10 MySQL Interview Questions Every DBA Must Know
In our previous articles, we’ve covered MySQL interview questions for beginners and intermediate users, and the…