Linux
10 posts
Linux Java Service Run Script Guide — A Practical run.sh Template
A step-by-step walkthrough of a real-world shell script that manages Java applications with start/stop/restart/status.
Linux Network & Firewall Command Guide: Comparison by Distribution
A comparison of network diagnostic commands and firewall configuration across distributions.
CentOS End of Life — What Are the Alternatives? Why Rocky Linux Is the Answer
CentOS EOL timeline and a comparison of alternatives like Rocky Linux and AlmaLinux, with migration guides.
Essential Linux Commands Guide: Comparison by Distribution
A comparison of key commands across major distributions including Ubuntu, CentOS, and Alpine.
Linux Shell Scripting (Bash) Guide
A guide covering Bash script fundamentals through practical automation scripts.
Linux Disk Management — df, du, LVM, and Mounting
A guide to checking disk usage, LVM volume management, partitioning, and fstab mount configuration.
Crontab Scheduler Guide — Cron Expressions and Practical Examples
A guide to cron expression syntax, crontab configuration, log checking, and real-world automation examples.
Linux File Permissions and User Management — chmod, chown, sudoers
A guide to the Linux permission system, chmod/chown, user/group management, and sudoers configuration.
Nginx Configuration Guide — Reverse Proxy, SSL, and Caching
A guide covering Nginx installation, reverse proxy setup, Let's Encrypt SSL, and static file caching.
Complete Guide to systemd Service Management — Registration, Logs, and Timers
A guide covering systemd service file creation, state management, journalctl logs, and timer configuration.