Welcome to ZelixOS
ZelixOS is a modern, user-friendly Linux distribution powered by KDE technology. Whether you're new to Linux or a seasoned user, ZelixOS provides a clean and efficient experience out of the box.
This wiki covers everything from installation to advanced configuration, so you can get the most out of your ZelixOS experience.
Installation Guide
1. Download ZelixOS
Head to the Downloads page and grab the latest ISO image.
2. Create a Bootable USB
Use one of the following tools to flash the ISO to a USB drive (minimum 4 GB):
- Rufus (Windows)
- Balena Etcher (Cross-platform)
- Ventoy (Multi-boot USB)
3. Boot from USB
Restart your computer and boot from the USB drive. You may need to change the boot order in your
BIOS/UEFI settings (usually reached by pressing F2, F12, or
Del during startup).
4. Install ZelixOS
Follow the on-screen Calamares installer. Select your language, timezone, partitioning scheme, and create your user account. The installation should take about 10–20 minutes.
First Steps After Installation
1. System Update
Open a terminal and run:
sudo pacman -Syu
2. Install Essential Software
Use Zelix Essentials to quickly install common applications, or install manually:
sudo pacman -S firefox vlc gimp libreoffice
3. Configure Backup
Open Zelix Backup from the application menu and set up your first backup to protect your files.
System Requirements
For the best experience, we recommend the following specifications:
- CPU: Dual-core 1.5 GHz (Quad-core 2.0 GHz+ recommended)
- RAM: 2 GB minimum (4 GB+ recommended)
- Storage: 20 GB minimum (40 GB SSD recommended)
- GPU: Integrated graphics (Dedicated GPU recommended)
- Network: Internet connection for initial setup
Zelix Essentials
Zelix Essentials is a one-click software installer that lets you set up your system in seconds.
Features
- Curated list of popular applications
- One-click batch installation
- Category-based browsing (browsers, media, office, dev tools)
- Automatic dependency resolution
How to Use
Launch Zelix Essentials from the application menu. Browse or search for apps, check the ones you want, and click Install Selected.
Zelix Backup
A simple and effective backup solution for both system and personal files.
Creating a Backup
- Open Zelix Backup from the application menu
- Select the folders you want to back up
- Choose a destination (external drive, network, or local folder)
- Click Start Backup
Restoring from Backup
- Open Zelix Backup
- Switch to the Restore tab
- Select your backup file
- Choose the files to restore and click Restore
Zelix Cleaner
Clean temporary files and free up disk space with a single click.
What It Cleans
- Package manager cache
- Temporary files
- Orphaned packages
- Old log files
- Thumbnail cache
Welcome Application
The Zelix Hello (Welcome) app greets you on first boot and helps you set up your system.
What It Offers
- Quick setup wizard for common settings
- Links to documentation and community
- System information overview
- One-click access to Zelix tools (Essentials, Backup, Cleaner)
Accessing Welcome App
The Welcome app launches automatically on first boot. You can re-open it anytime from the application menu by searching for Zelix Hello.
KDE Plasma Desktop
ZelixOS ships with a customized KDE Plasma desktop for a modern, powerful experience.
Key Features
- Highly customizable panels and widgets
- Virtual desktops for organized workflows
- Built-in file manager (Dolphin)
- Activities for context-based workspaces
Basic Navigation
- Application Menu: Click the logo in the bottom-left panel or press
Super - System Tray: Bottom-right corner for notifications, network, and volume
- Virtual Desktops:
Ctrl + F1–F4to switch between desktops
Customizing Your Panel
Right-click the panel → Edit Panel. You can add widgets, adjust height, change position, and more.
Themes & Icons
Changing Themes
Open System Settings → Appearance → Global Theme. Browse installed themes or download new ones from the KDE Store.
Installing New Themes
Click Get New Global Themes in the theme settings. You can also install themes
manually by extracting them to ~/.local/share/plasma/desktoptheme/.
Popular Theme Collections
- Layan
- Sweet
- Nordic
- Dracula
Icon Themes
Change icons via System Settings → Appearance → Icons. Popular choices include Papirus, Tela, and Reversal.
Essential Terminal Commands
System Updates
sudo pacman -Syu # Full system update
sudo pacman -Sy # Sync package databases
sudo pacman -Su # Upgrade packages only
Installing Software
sudo pacman -S package # Install a package
sudo pacman -R package # Remove a package
sudo pacman -Ss keyword # Search for a package
pacman -Qi package # Package info
System Information
neofetch # System overview
uname -r # Kernel version
df -h # Disk usage
free -h # Memory usage
htop # Process monitor
Troubleshooting
System Won't Boot
Boot from the live USB and use chroot to repair your system. Check for corrupted
packages with pacman -Qk.
WiFi Not Working
Check if your wireless driver is loaded:
lspci | grep -i wireless
sudo dmesg | grep -i wifi
Install missing firmware if needed: sudo pacman -S linux-firmware
Graphics Issues
For NVIDIA GPUs, install the proprietary driver:
sudo pacman -S nvidia nvidia-utils
For AMD GPUs, the open-source driver is usually built in. Ensure mesa is installed.
Audio Not Working
pactl info # Check PulseAudio status
sudo systemctl restart pipewire # Restart audio service
Package Manager Issues
sudo pacman -Scc # Clear all package cache
sudo pacman-key --init # Reinitialize keyring
sudo pacman-key --populate archlinux
Performance Issues
Use Zelix Cleaner to free up space. Check resource usage with htop.
Disable unnecessary startup services with systemctl disable servicename.
Development on ZelixOS
Development Tools Available
- VS Code — Feature-rich code editor
- Git — Version control
- Python 3 — Pre-installed
- Node.js — Available via pacman
- GCC/G++ — C/C++ compiler
Setting Up Development Environment
# Install common development tools
sudo pacman -S base-devel git nodejs npm python-pip
# Clone a project
git clone https://github.com/user/project.git
cd project
Docker Support
# Install Docker
sudo pacman -S docker docker-compose
# Start Docker service
sudo systemctl enable --now docker
# Add your user to docker group
sudo usermod -aG docker $USER