Guides and tutorials for Linux system administration
Benchmark disk I/O performance with a free Python CLI tool. Measure sequential read/write speed, random IOPS, and write latency on any Linux filesystem....
Monitor LVM volume health with a free Python CLI tool. Audit physical volumes, volume groups, logical volumes, thin pools, and snapshots for capacity and integrity issues....
Analyze systemd journal logs with a free Python CLI tool. Find boot errors, service failures, kernel warnings, OOM kills, and security events in seconds....
Learn how to monitor Linux cgroup resource usage with a free Python CLI tool. Track CPU limits, memory constraints, and I/O throttling for containers and system slices — supports cgroups v1 and v2....
Analyze Linux swap usage in detail. dargslan-swap-analyzer shows per-process swap consumption, swap devices, memory pressure, and provides optimization recommendations....
Audit installed Linux packages for security updates, outdated versions, and orphaned dependencies. dargslan-package-audit auto-detects apt, dnf, pacman, and zypper systems....
Manage and audit systemd timers using Python. dargslan-systemd-timer lists active timers, detects failed services, compares with cron jobs, and provides migration recommendations....
Complete guide to Linux log file parsing with Python. Use dargslan-log-parser to analyze syslog, auth.log, nginx logs, extract errors, find failed logins, and generate statistics....
Complete guide to gathering Linux system information with Python. Use dargslan-sysinfo to check CPU, memory, disk, network, kernel version, and uptime from CLI or Python scripts....