System Administration
resolvectl status Shows No ~. Default Routing Domain After wg-quick Table=off on Ubuntu 24.04.1
Run wg-quick up wg0 on Ubuntu 24.04.1 with Table = off in your config, then check resolvectl status wg0 . The block lists your DNS server, maybe an.
Ubuntu 24.04.1 LTS Point Release: What Changed and Whether You Should Upgrade Now
Ubuntu 24.04 LTS shipped in April 2024 as the long-term support release that most production servers were going to standardize on for the next two to five.
How to Configure the Linux OOM Killer to Stop Crashing MySQL
Your pager goes off at 3:14 AM. The monitoring dashboard is a sea of red. You groggily SSH into your production database server, run htop , and see that.
That One-Line OpenSSH Bug Just Ruined My Weekend
I spent my entire Saturday morning staring at a wall of failing SSH connections. Our staging cluster with 3 nodes just stopped Learn about Linux SSH news.
Stop Overcomplicating Local DNS: Advanced Dnsmasq
I have a confession to make. Despite all the fancy service meshes, CoreDNS setups, and the omnipresent systemd-resolved trying Learn about dnsmasq news.
The Renaissance of Linux Printing: OpenPrinting CUPS and the Future of IPP
For decades, the Common Unix Printing System (CUPS) has been the silent workhorse behind document production on Unix-like operating systems.
htop 3.0.0: A Deep Dive into the New Features for Modern Linux Monitoring
htop news: htop 3.0.0: The Next Evolution in Linux Process Monitoring For years, htop has been the go-to interactive process viewer for Linux administr…
Mastering MariaDB on Linux: A Deep Dive into Root Password Recovery and Security Best Practices
In the world of Linux server administration, managing databases is a core responsibility. MariaDB, a high-performance, open-source relational database.
Timeshift: The Ultimate Guide to Linux System Snapshots and Recovery
Introduction: Your Safety Net for a Stable Linux System In the world of Linux, the freedom to customize, update, and experiment is one of its greatest.
The Evolution of RHCSA: Mastering Modern Linux Administration in a Changing Landscape
In the dynamic world of information technology, the only constant is change. For Linux system administrators, this means a continuous journey of learning.