When working with Git repositories, you might encounter an error message that reads fatal: detected dubious ownership in repository at… followed by a suggestion to add an exception using the safe.directory configuration. (more…)
PHPMyAdmin is one of the most widely used database management tools for MySQL and MariaDB databases. However, many administrators encounter a common limitation when trying to import large database files – the default 2MB file size restriction. (more…)
Memory leaks are among the most frustrating bugs to track down in C and C++ applications. They silently consume resources, degrade performance, and can eventually cause your application to crash.
If you’re serious about Linux system administration, you need to understand SELinux (Security-Enhanced Linux). It’s not just another security tool; (more…)
If you’re managing Ubuntu servers or desktops, understanding systemd is absolutely essential. systemd is the init system and service manager that’s become the standard for most Linux distributions, including Ubuntu. (more…)
The Bash shell is your indispensable command-line companion. This guide will walk you through everything you need to know to become proficient with Bash. We’ll cover everything from basic navigation to powerful scripting techniques. (more…)
This article tackles a topic that often seems intimidating to new administrators: the Linux kernel. (more…)
As Linux administrators, securing our systems and networks is one of our most critical responsibilities. Firewalls serve as the cornerstone of that security, and in the Linux ecosystem, iptables, ip6tables, (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…)
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…)
