Backup & Recovery (Rsync/Tar/Dd)
Stop stressing about rsync permissions during restores
🧩 The Challenge
You finally reach the day you need to pull data back from your off-site rsync backup, only to find all the ownership metadata is messed up because you didn’t run as root. Now you have a pile of files owned by your local user and nothing will boot or serve traffic correctly.
đź’ˇ The Fix
Always keep the archive flag active to preserve everything, and throw in the numeric ids flag so you aren’t relying on the UID-to-username mapping being identical on both machines. It saves you from a total permission nightmare.
rsync -aHAXv --numeric-ids /source/path/ /destination/path/⚙️ Why It Works
Using –numeric-ids keeps the user and group IDs as raw integers, meaning the system won’t try to resolve them against a user database that might be completely different on the target box. The -aHAX trio handles the recursive copy while keeping hard links and extended attributes exactly where they belong.
🚀 Pro-Tip: Always pipe that into a dry run first unless you like sweating over accidental overwrites.
Linux Tips & Tricks | © ngelinux.com | 10/22/2026