Linux System Monitoring

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.

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Table of Contents

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

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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.

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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.

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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

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Performance Monitoring

Monitor Performance

Check performance:

# CPU
top

# Memory
free -h

# Disk I/O
iostat

# Network
iftop

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Troubleshooting

High Resource Usage

Find resource hogs:

# CPU
top -o %CPU

# Memory
top -o %MEM

# Disk
iostat -x 1

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Summary

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

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Next Steps

• Free & Top Resource Monitoring - Resource monitoring
• Process Management - Process management
• Performance Tuning - Performance
• ArchWiki System Monitoring: https://wiki.archlinux.org/title/System_monitoring

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