#system administration

9 tutorials tagged with "system administration"

Linux User and Group Management: A Complete Server Administration Guide

Master Linux user and group management with this hands-on guide covering user creation, permissions, sudo configuration, PAM authentication, and security best practices for production servers.

linux

Linux Log Rotation and Disk Space Management: A Practical Guide

Your server ran out of disk space at 3am. The culprit? Logs. Here's how to configure logrotate, manage systemd journal size, and prevent disk exhaustion from killing your production services.

linux

Linux Disk Full? A Systematic Guide to Finding and Fixing the Problem

When your server hits 90% disk usage at 2 a.m., you need a process, not panic. This guide walks through the exact commands and workflow to find what's eating your disk and reclaim space without breaking running services.

troubleshooting

Linux Kernel 7.1 Is Here: What Server Administrators Need to Know

A practical breakdown of Linux Kernel 7.1's most impactful changes for server environments, covering the new NTFS driver, Landlock security improvements, power management updates, and upgrade strategies.

linux

Linux Performance Troubleshooting: Complete Guide for Server Administrators

Master Linux performance troubleshooting with this comprehensive guide. Learn to diagnose and fix CPU, memory, disk I/O, and network bottlenecks using modern tools.

linux

Linux Troubleshooting: Essential Commands and Techniques

Master Linux system troubleshooting with this comprehensive guide. Covers process monitoring, network diagnostics, disk analysis, and memory troubleshooting.

troubleshooting

Log Rotation with logrotate: Linux System Management

Configure log rotation to manage disk space and maintain log files. This guide covers logrotate configuration, compression, retention policies, and automation.

linux

Systemd Service Management: Complete Guide for Linux Administrators

Master systemd for managing services, daemons, and system resources on Linux. Learn unit file creation, service lifecycle management, and troubleshooting techniques.

linux

Ubuntu 22.04 Server Setup: Complete Configuration Guide

A comprehensive guide to configuring a production-ready Ubuntu 22.04 server. From initial installation to security hardening and service configuration.

linux