Arch Linux Webcam Configuration - ryzendew/Linux-Tips-and-Tricks GitHub Wiki

Arch Linux Webcam Configuration Guide

Complete beginner-friendly guide to webcam configuration on Arch Linux, including webcam detection, testing, and webcam applications.

Table of Contents

  1. Webcam Detection
  2. Testing Webcam
  3. Webcam Applications
  4. Troubleshooting

Webcam Detection

Check Webcam

Detect webcam:

# List USB devices
lsusb | grep -i camera

# Check video devices
ls -l /dev/video*

# Check kernel messages
dmesg | grep -i video

Testing Webcam

v4l2

Test with v4l2:

# Install v4l-utils
sudo pacman -S v4l-utils

# List devices
v4l2-ctl --list-devices

# Capture image
v4l2-ctl --device=/dev/video0 --stream-mmap --stream-to=test.raw --stream-count=1

ffmpeg

Test with ffmpeg:

# Install FFmpeg
sudo pacman -S ffmpeg

# Capture image
ffmpeg -f v4l2 -i /dev/video0 -frames:v 1 test.jpg

# Record video
ffmpeg -f v4l2 -i /dev/video0 -t 10 output.mp4

Webcam Applications

Cheese

Install Cheese:

# Install Cheese
sudo pacman -S cheese

# Launch
cheese

guvcview

Install guvcview:

# Install guvcview
sudo pacman -S guvcview

# Launch
guvcview

OBS Studio

Use OBS:

# Install OBS
sudo pacman -S obs-studio

# Launch
obs

Troubleshooting

Webcam Not Working

Check drivers:

# Check loaded modules
lsmod | grep -i video

# Check permissions
ls -l /dev/video0

# Add to video group
sudo usermod -aG video username

Permission Issues

Fix permissions:

# Check group
groups

# Add to video group
sudo usermod -aG video username

# Log out and back in

Summary

This guide covered webcam detection, testing, applications, and troubleshooting.

Next Steps

This guide is based on the ArchWiki. For the most up-to-date information, always refer to the official ArchWiki.