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
This section provides articles and resources for Linux server administration. The topics cover server management, security, and optimization.
A Guide to Server CPU Performance: Cores, Threads, and Benchmarking with Linux
Read more: A Guide to Server CPU Performance: Cores, Threads, and Benchmarking with LinuxIs your server slow? Learn how CPU cores, threads, and clock speed affect performance. Find out how to check, benchmark, and upgrade your CPU on Linux.
Add Users and Grant Root Privileges in Linux
Read more: Add Users and Grant Root Privileges in LinuxThis guide walks you through adding a new user on a Linux server, setting their password, and granting `sudo` privileges from the command line.
Apache Web Server
Read more: Apache Web ServerOur collection of articles provides technical guides for installing, configuring, and managing the Apache web server on Linux operating systems.
Automating Server Scripts with Cron
Read more: Automating Server Scripts with CronLearn to automate tasks on your Linux server with cron. This time-based job scheduler can run scripts at fixed times, dates, or intervals.
Change Time Zones on CentOS
Read more: Change Time Zones on CentOSLearn to set the correct time zone on CentOS 4/5/6 & 7. Use `ln -s` or `timedatectl`, restart services, & address PHP/NTP issues.
Change Your Linux Server Hostname
Read more: Change Your Linux Server HostnameEasily change your Linux server hostname via SSH — then update it in your Liquid Web account and DNS records.
Changing your SSH port with the command line
Read more: Changing your SSH port with the command lineChange default ports like SSH (port 22) to enhance server security. This reduces vulnerability to common attacks and deters scanning by malicious programs.
Checking Server Load in Linux
Read more: Checking Server Load in LinuxA review of four ways to check server load on Linux servers and what the numbers mean.