Hidden Linux Performance Hack: RAM-Based Caching via /dev/shm
On most modern servers, RAM is abundant but underused. While CPUs and disks get all the optimization attention, RAM often sits idle, especially in web
May 15, 2025
The Linux Administration Category
Introduction to Containers and Docker on Linux: Basics and Setup
If you’ve ever heard the terms “containers” or “Docker” and felt a little out of your depth, don’t worry—you’re not alone. Containers are transforming how
November 1, 2024
PostgreSQL vs. MySQL: Comparison for Linux System Administrators
Understanding the differences between PostgreSQL and MySQL is crucial for managing databases effectively. Both PostgreSQL and MySQL are popular open-source databases, but they each have
October 29, 2024
Configuring the Linux Kernel: Basics and Considerations
The Linux kernel is the heart of every Linux-based operating system. It bridges software with the system’s hardware. Whether you’re trying to squeeze the best
October 24, 2024
Backup and Recovery Strategies: A Practical Overview for Data Protection
One of your most critical responsibilities for Linux Admins is ensuring the availability and integrity of your organization’s data. It’s not a glamorous job, but
October 24, 2024
Networking Basics in Linux: Network Settings and Multiple IPs
Setting up multiple IP addresses on a single network interface, allowing for more flexible and efficient management of services and resources is a common task
October 22, 2024
Process Management: Monitoring and Controlling Processes in Linux
As a Linux System Administrator, process management is one of the most crucial skills to master. Efficiently monitoring and controlling processes ensures the system runs
October 19, 2024
Galera Cluster: A Practical Guide to Setup on Debian/Ubuntu, Example With Two Nodes
Galera Cluster is a high-availability solution for MySQL databases, offering synchronous replication across multiple database nodes. Designed for MySQL, MariaDB, and Percona XtraDB Cluster, Galera
October 18, 2024
A Comprehensive Guide to Using rsync on Debian
As a Linux system administrator, managing file transfers and backups is a crucial part of your daily routine. Two popular tools for these tasks are
October 16, 2024
Shell Scripting Basics: Automation To Streamline Linux Administration Tasks
Linux administration is tightly linked to efficiency and precision. One of the best ways to achieve this is through shell scripting. Whether you’re managing hundreds
October 16, 2024