If you’ve recently upgraded to Ubuntu 22.10 from version 22.04, you might have encountered an unfamiliar sequence of warning messages during the boot process. (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…)
If you’ve recently upgraded to Ubuntu 16.04 or newer with MySQL 5.7+, you might have encountered an unexpected authentication error when trying to access phpMyAdmin with your root credentials. (more…)
When working with virtual machines, you’ll likely encounter the frustrating error message: “This system is currently not set up to build kernel modules” when attempting to install VirtualBox Guest Additions on Ubuntu 18.04. (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…)
Have you ever been in the middle of updating your Ubuntu container with a simple apt-get update command, only to be greeted by cryptic error messages about release files not being valid yet? (more…)
Ever felt lost wandering through the maze of directories in a Linux system? /bin, /sbin, /usr/bin, /usr/local/bin, /var, /opt… what does it all mean? (more…)
Package management is one of the most critical aspects of system administration when setting up a fresh Ubuntu installation or maintaining an existing one. However, it’s not uncommon to encounter connection issues with Ubuntu repositories. (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…)
