Linux System Monitoring - ryzendew/Linux-Tips-and-Tricks GitHub Wiki

Linux System Monitoring Guide

Complete beginner-friendly guide to system monitoring on Linux, covering Arch Linux, CachyOS, and other distributions including resource monitoring, system health checks, and monitoring tools.

Table of Contents

  1. Resource Monitoring
  2. System Health
  3. Monitoring Tools
  4. Performance Monitoring
  5. Troubleshooting

Resource Monitoring

CPU Monitoring

Monitor CPU:

# top
top

# htop
htop

# CPU usage
mpstat 1

See Free & Top Resource Monitoring for detailed guide.

Memory Monitoring

Monitor memory:

# free
free -h

# Memory usage
vmstat 1

# Detailed
cat /proc/meminfo

See Free & Top Resource Monitoring for detailed guide.

Disk Monitoring

Monitor disk:

# iostat
sudo pacman -S sysstat
iostat -x 1

# Disk usage
df -h
du -sh /path

See DF & DU Disk Space for detailed guide.

System Health

System Information

Check system:

# System info
uname -a
hostnamectl
uptime

# Hardware info
lscpu
free -h
lsblk

System Logs

Check logs:

# System logs
journalctl -b

# Service logs
journalctl -u service-name

See Journalctl Troubleshooting for detailed guide.

Monitoring Tools

htop

Install htop:

# Install htop
sudo pacman -S htop

# Launch
htop

btop

Install btop:

# Install btop
sudo pacman -S btop

# Launch
btop

Glances

Install Glances:

# Install Glances
sudo pacman -S glances

# Launch
glances

Performance Monitoring

Monitor Performance

Check performance:

# CPU
top

# Memory
free -h

# Disk I/O
iostat

# Network
iftop

Troubleshooting

High Resource Usage

Find resource hogs:

# CPU
top -o %CPU

# Memory
top -o %MEM

# Disk
iostat -x 1

Summary

This guide covered system monitoring for Arch Linux, CachyOS, and other distributions, including resource monitoring, system health, and monitoring tools.

Next Steps

This guide covers Arch Linux, CachyOS, and other Linux distributions. For distribution-specific details, refer to your distribution's documentation.