If you’ve recently installed Docker on your Linux system, you might have encountered this frustrating error message when trying to run Docker commands without sudo: (more…)
When developing software, particularly in languages like C and C++, crashes are inevitable. The dreaded “Segmentation fault (core dumped)” message can be frustrating, but the core dump it generates is a valuable debugging tool. (more…)
Have you ever been working in your Ubuntu terminal when suddenly that jarring error sound interrupts your flow? Those system alert sounds might be useful sometimes, (more…)
Managing users and groups effectively is one of the most fundamental skills for any Linux system administrator. Whether securing a production server, organizing access rights for a development team, (more…)
As Linux admins, we’re constantly dealing with storage. Whether it’s for databases, file servers, virtual machines, or just plain user data, we need storage that’s reliable, performant, and flexible. (more…)
Hey Linux admins! Ever wondered how your system magically recognizes that new USB drive you plugged in, or how your sound card just works? (more…)
This guide addresses common OpenVPN DNS troubleshooting Ubuntu 18.04 issues, where a successful VPN connection does not guarantee proper DNS resolution. (more…)
Linux offers various methods for installing applications and programs. Advanced users may opt to download source code directly from developer websites and compile it on their systems. (more…)
Printer configuration on Ubuntu 24.04 involves multiple layers—from drivers and CUPS (the Common Unix Printing System) to kernel modules, network settings, and permissions. (more…)
Have you ever tried working on some changes, and you did not create a backup first? It’s dreadful to lose your important files, right? One good rule of thumb in making changes with your system is to secure a backup first. It’s also a good practice to back (more…)