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Tutorials, tips, and advanced guides on Linux system administration. Technical solutions to configure secure and high-performance servers.

How to Install MySQL 8.4 in Debian 13 - Complete Guide
Step-by-step guide to installing MySQL 8.4 in Debian 13 Trixie with the apt package manager for LAMP, LEMP stacks, web apps, CMS, and e-commerce
Complete Guide to Secure SSH Port Forwarding: Tunneling and Best Practice
Learn how to configure SSH Port Forwarding (Local, Remote, Dynamic). Complete guide with practical examples, troubleshooting and security best practices.
Updating the Ubuntu Linux Kernel: A Complete Guide for Enterprises
Guide to Updating the Linux Kernel on Ubuntu. Learn how to manage kernel upgrades, the differences between LTS and HWE, and live patching
Advanced Package Management with APT on Debian and Ubuntu
Learn how to use "apt list installed packages" on Ubuntu and Debian. Practical guide to APT commands, DPKG and filters to manage and analyze Linux packages.
Linux Mail Server: Why DIY is a risk (and the best alternative)
Linux Mail Server in the enterprise: does DIY with Postfix still pay off? Find out why a Linux SMTP Relay Server is the safe choice to avoid SPAM
Storage Management Strategies: Ultimate Guide for Linux Administrators
Mastering Storage Management on Linux. From choosing filesystems, volumes, and backup and DRP strategies. The definitive guide for administrators.