Apple users can repurpose an old MacBook as a home network-attached storage server using built-in macOS tools or more advanced Linux-based software.
A NAS can store backups, host a home media library, or share files across devices. Because older Mac drives may be more prone to failure, use external storage for important data.
The simplest option uses macOS File Sharing. Users can select folders, set access permissions and make files available to Windows and Android devices as well as other Macs.
An Ethernet connection can provide a faster and more stable link to the router; it is recommended to prevent the Mac from sleeping while using it as a server.
Old MacBooks can serve media through apps including Plex, Kodi and Infuse. Plex supports free local streaming, while remote streaming requires a paid option.
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However, older machines with limited RAM may struggle when transcoding 4K video. Streaming files in their original quality can reduce that load.
More advanced users can replace macOS with Debian and add platforms such as CasaOS or Umbrel. You can also run Docker directly on Debian to manage additional applications.
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Tools such as Nextcloud can add online file storage, while Jellyfin provides an open-source alternative to Plex.
You can repurpose an older MacBook as a home NAS using macOS file sharing or more advanced Linux-based software.
