Communities related to r/sysadmin, with what each one is for and how it differs. Member figures come from SubMouse's safe-for-work directory.
r/sysadmin (about 1.3M members, directory rank #799) is dedicated to the profession of Computer System Administration. Home lab hobby builds are the main genuine alternative when the context is personal infrastructure rather than work ops.
Stay on sysadmin for professional sysadmin work. Use homelab for home servers and lab projects.
r/sysadmin — Sysadmin
A reddit dedicated to the profession of Computer System Administration.
Homelab
When to choose it: Home labs, racks and personal infrastructure projects.
Why it is here: Public description: Welcome to your friendly /r/homelab, where techies and sysadmin from everywhere are welcome to share their labs, projects, builds, etc. (about 1.1M members, rank #951). Listed as related to sysadmin.
How it differs from r/sysadmin: Home hobby lab versus professional sysadmin.
Use the related subreddits finder for r/sysadmin: Find related to r/sysadmin.
Members and public descriptions come from SubMouse's safe-for-work directory (as of 2026-11-09 UTC); 7-day growth measured from 2026-11-02. Directory rank is listing order. Guide updated 2026-11-07.