High School Student Builds Lightweight Arch Linux Distro for Old School PCs
A 10th grader created a custom Arch Linux distro designed to run on outdated school hardware. The School Arch-based Linux (SAbL) project tackles sluggish performance on low-spec computers, offering a lean alternative to resource-hungry commercial and import-substitute operating systems.
Architecture and Key Technical Features
SAbL is a tailored Arch Linux build optimized for classroom needs. The main goal is smooth operation on machines with just 4GB RAM and Intel Pentium-level processors. It starts from a bare-bones base, stripping out unnecessary drivers and components to minimize resource use.
Key technical specs include:
- systemd init for straightforward management
- Wayland support for display protocol
- KDE Plasma 6 desktop for easy transition from Windows
- Pre-installed software approved for exams and competitions
- Built-in remote management tools (Veyon)
System Requirements and Performance
This distro needs far fewer resources than mainstream options. Tests on Intel i5 hardware showed:
- RAM usage: up to 3GB under full load
- CPU load: around 30%
On Pentium CPUs, expect CPU usage up to 90%, but it still handles educational tasks well. Boot times beat Windows 10 hands down, skipping the long wait for dev environments to load.
Security and User Management
SAbL's security follows the principle of least privilege. It features two main user accounts:
- root — full admin access
- student — restricted user, no sudo rights
The student account is limited to /home/student with read and execute permissions only. System files are locked down to prevent changes. This setup blocks accidental or intentional damage.
Extra security measures:
- Isolated Debian environment via chroot for risky tasks
- Support for monitoring software to oversee class activities
- Boot partition protected from unauthorized access
Project Roadmap
The current SAbL version is a prototype for a school project, but the developer has big plans. Key improvements:
- User-friendly installer — graphical setup like Ubuntu Server's
- Enhanced virtual environment — GUI for the isolated Debian setup to boost usability
- Local repository — school network package repo, letting students build their own packages
- More user flexibility — greater freedom without compromising stability
Comparison with Alternatives
SAbL stands out against approved import-substitute distros (RED OS, Astra Linux, ALT Linux), which suffer from:
- High resource demands like Windows 10
- Licensing fees for schools
- Tricky admin for non-experts
SAbL's edges over commercial rivals:
- Free to use and share
- Runs on low-end hardware
- Transparent Arch Linux base with tons of docs
- Fully customizable for school needs
Key Takeaways
- Optimized for aging school PCs with 4GB RAM
- Security limits student access to protect the OS
- Free alternative to pricey import-substitute distros
- Arch base means clear architecture and easy management
- Built around real classroom demands
— Editorial Team
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