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sysadmin Tutorials

Step-by-step sysadmin tutorials from the How7o team — written from real problems and their real fixes.

3 tutorials

Server Management

How to Set vi (Vim) as the Default Editor in Ubuntu

June 8, 2026 · 5 min read Server Management

rsync Says “ALL DONE” but Files Are Missing: How to Verify

June 8, 2026 · 6 min read Server Management

How to Remove Files and Folders in Linux Using Command Line (rm, rmdir, unlink)

March 13, 2021 · 3 min read

These sysadmin guides come from the same library as the rest of How7o Learn: each one documents a real task or a real failure, and the exact steps that resolved it.