Operations

How to Read Linux Server Logs When a Website Fails

Trace a failed website request through NGINX or Apache logs, journalctl, PHP-FPM and proxy evidence. Find the right source before changing your server.

Linux Crontab Guide: Syntax, Examples, and How to Check Jobs

Use crontab every 5, 10, or 15 minutes, check user and system syntax, and troubleshoot cron logs, exit codes, and task output.

How to Manage Linux Services with systemctl and Read Their Logs

Manage Linux services with systemctl: choose start, restart, enable, or reload, inspect unit-specific journal entries, and confirm application behavior.

How to Find Large Files and Check Disk Usage on Linux

Check the affected Linux filesystem, trace large directories and files, distinguish inode and Docker usage, and verify recovery without unsafe cleanup.

Linux VPS Backup and Restore Checklist

Inventory files, databases, and volumes, compare backup methods, and use a recovery acceptance record to check whether your Linux VPS can be restored.

How to Check Linux Server Resource Usage (CPU, RAM, Disk, and Processes)

Check CPU, RAM, disk space, inodes, I/O and processes over SSH. Learn which readings need a second check and how to investigate past slowdowns.