Linux · Backups & Archiving

How do you make rsnapshot back up a directory on a remote SSH host, and what one-time key setup must precede the first run?

Answer locked. Get the free KnowCard app to reveal it — plus spaced-repetition review so it actually sticks.

This is one card from the KnowCard library — thousands more across SAP, Linux, Python and more. In the app you get the answer, AI explanations, and cards that come back right before you would forget them. Free to start on iOS, Android or the web.

More in Backups & Archiving

In Grsync, why does turning on Delete on Destination change the safety profile of your backup, and what is the default?

A colleague asks which Linux backup tool is objectively the best. Why is there no single right answer, and what factors actually drive the choice?

Someone runs Deja Dup for the first time expecting only their changed files to be copied. What actually happens on that first run versus later runs, and how can restored data be read back?

An admin sets up Deja Dup to protect a whole server including /etc and installed system files. Why is that the wrong tool for the job?

Deja Dup and Back In Time both do incremental backups, but restoring a single old file behaves very differently. Where does the duplicity-based approach hurt?

When configuring what Deja Dup should skip, which folders are ignored by default, and which large items are worth adding manually?

Start learning today

Free to start — download the app or use it in your browser.