Linux

This section covers Linux commands, shell workflows, system configuration, and server maintenance — oriented toward day-to-day operational reference.

Focus

Common commands, shell scripts, and text processing
System services, permissions, networking, and disk
Server initialization and security configuration
Log analysis, performance troubleshooting, and fault recovery

Planned Notes

systemd service management
Common shell script patterns
Basic server security configuration
Log troubleshooting and disk cleanup

DevOps: Deployment and operations automation
Backend: Server-side runtime environment