Linux Server Administration

Take control! This is your central resource for Linux server administration. Whether you are logging in for the first time or performing advanced troubleshooting, these guides are designed to help you. You’ll find step-by-step instructions to perform essential tasks, from adding new users and granting sudo permissions to installing and configuring software like Apache, NGINX, or PHP. If you are solving a problem, you will learn how to check your server’s load, manage system services, or find common error logs. From automating tasks with cron to securing your server with SSH keys, these articles will empower you to manage your environment confidently.

Linux Server Administration Articles

146 results

This section provides articles and resources for Linux server administration. The topics cover server management, security, and optimization.

Using Apache’s mod_remoteip to log visitor true IP addresses

Log true visitor IPs on cPanel with `mod_remoteip`. Install via EasyApache 4, then configure `X-Forwarded-For` & trusted proxies for accurate logs.
Read more: Using Apache’s mod_remoteip to log visitor true IP addresses
Using journald and journalctl for log management on CentOS 7

Use `journalctl` for `journald` logs on CentOS 7. Guide covers viewing, filtering, persistent storage, disk cleanup & rsyslog fixes.
Read more: Using journald and journalctl for log management on CentOS 7
Using rsync for backups on Linux/Unix systems

Learn what `rsync` is and how to use it for fast, reliable backups on Linux. Our guide covers incremental file transfers for local and remote syncs.
Read more: Using rsync for backups on Linux/Unix systems
Using rsync to Sync Local and Remote Systems

Discover how to sync local and remote systems using the Linux rsync utility. Learn basic commands, remote SSH transfers, and using alternate ports.
Read more: Using rsync to Sync Local and Remote Systems
Using SFTP to login as Root

This tutorial guides users on logging into their Cloud VPS as root and downloading backups using an FTP client. FTP clients facilitate user-friendly interaction with server files, allowing direct download to the user’s computer for easy sharing.
Read more: Using SFTP to login as Root
Using Tar & Gzip/Gunzip to Create or Unzip GZ Files/TGZ Files in Linux

Learn how to unzip (decompress/uncompress) .gz or tar.gz files in Linux. This article covers the differences between TAR, GZ, TAR.GZ, TGZ, and ZIP files.
Read more: Using Tar & Gzip/Gunzip to Create or Unzip GZ Files/TGZ Files in Linux
Using the GNU Screen Terminal Multiplexer

GNU Screen: A terminal multiplexer for multiple sessions. Detach, reattach, share & manage windows with commands & `ctrl+a` key bindings.
Read more: Using the GNU Screen Terminal Multiplexer
Using the Netstat command

Learn to use the netstat command to view network connections, troubleshoot services, and check listening ports on your server.
Read more: Using the Netstat command