Hardware + Systems Project

MacBook Air: Repair & Offline Library

I refurbished a 2015 MacBook Air, installed Xubuntu, and turned it into an offline library for programming and general reference.

View Hardware Refresh See Final System

What changed

  • Replaced the old SSD with a new 1TB drive.
  • Installed a new battery to restore portability and reliability.
  • Moved from Ubuntu to Xubuntu for a lighter desktop environment.
  • Added swap and zRAM to make the most of the system’s limited memory.
  • Installed offline tools and documentation to turn it into a self-contained knowledge device.

Phase 2: turning it into a knowledge hub

With the hardware working, I added offline documentation and reference tools.

System optimization

  • Switched from Ubuntu to Xubuntu to reduce overhead and keep the desktop responsive.
  • Added a 4GB swap file to reduce memory pressure.
  • Enabled zRAM compression to improve multitasking on a 4GB RAM system.
  • Combined lightweight software choices with memory optimization to make the machine feel more stable in real use.

Offline tools and content

  • Installed Kiwix for offline access to large reference archives.
  • Downloaded Wikipedia, Wikibooks, Wiktionary, and Stack Exchange snapshots.
  • Installed Zeal with offline documentation for Python, Bash, JavaScript, HTML/CSS, Git, and more.
  • Created an organized ~/Knowledge_Hub structure for books, PDFs, docs, and future models or tools.
  • Built a Bash-based search workflow for locating material inside the archive more quickly.

Result

The refurbished laptop now holds a portable programming library and general reference archive.

Phase 3

Final system snapshots

The finished setup, from memory configuration to offline tools.

Terminal output showing swap and zRAM enabled on the laptop
Swap and zRAM enabled to improve stability and memory handling.
Kiwix open with offline Wikipedia loaded on the laptop
Kiwix running offline reference content, including Wikipedia.
Zeal showing downloaded programming documentation
Zeal loaded with offline programming documentation.
Directory structure of the Knowledge Hub on the laptop
Organized folder structure for documentation, books, and reference material.
Customized XFCE desktop with shortcuts for offline tools
Desktop layout customized for quick access to offline tools and resources.