GNU Find
Master GNU `find` to locate files on your server. Search by name, type, owner, perms, & mod time. Essential for WordPress/cPanel site mgmt.
Server Management
- 3 min read
Dstat
Dstat: Real-time system monitor for CPU, mem, disk, net. Extends vmstat/iostat. Customizable stats, plugins, CSV output. Install & use.
- 6 min read
Change Time Zones on CentOS
Learn to set the correct time zone on CentOS 4/5/6 & 7. Use `ln -s` or `timedatectl`, restart services, & address PHP/NTP issues.
- 5 min read
RPM
RPM is a type of software package for Redhat-based Linux distributions with a command-line utility to manage them.
- 3 min read
Package management on Ubuntu
Learn Ubuntu/Debian package management. This guide covers `dpkg`, `apt`, & `aptitude` for installing, updating, & removing software. Use with care!
- 3 min read
What is chkrootkit?
chkrootkit scans Linux systems for rootkits and hidden threats. Use it to detect suspicious activity and verify system integrity.
- 12 min read
Monitoring Linux systems with auditctl
Learn how to configure and use auditctl on Linux to monitor file changes, user actions, and enhance server security.
- 2 min read
Keeping your server time accurate with Chrony on AlmaLinux 8
Learn how to install, configure, and sync server time with Chrony using Liquid Web’s time servers on AlmaLinux 8.
- 3 min read
Understanding IOwait
Learn what IOwait is, why it slows servers, and how to identify the processes causing it using iostat, block_dump, and iotop tools.
- 5 min read
Editing Files with the Nano Text Editor
Learn to install and use Nano, a user-friendly command-line text editor, with essential shortcuts like Ctrl-O to save and Ctrl-X to exit.
- 3 min read
Securely Copying Files with SCP
SCP lets you securely transfer files over SSH between local and remote hosts, with simple syntax and support for directories, ports, and remote-to-remote copies.
- 3 min read
Server Crashes or Configuration Limits?
Site errors aren’t always crashes—often it’s hitting config limits. Learn to tell the difference and fix issues faster to minimize downtime.