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

110 results

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

Understanding and Using systemd
Modern Linux service management with `systemd`. Learn `systemctl` to start, stop, enable & check services. Intro to `journalctl` logs.
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Understanding Ioncube loader
Learn what Ioncube Loader is, how applications like WHMCS use it, and why matching the correct Loader version with your server’s PHP version is crucial.
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Understanding lsof
lsof lists open files, network connections, and processes. Essential for troubleshooting ports, finding resource hogs, and monitoring activity.
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Updating Your Linux Kernel
The kernel is the core of the Linux OS. You may need to update it for software compatibility or to patch security vulnerabilities in older versions.
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Upgrading or Installing PHP on Ubuntu 22.04
Upgrade PHP on Ubuntu 22.04 for better security & performance. This guide covers installation, Apache configuration, and managing PHP modules.
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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.
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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.
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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