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Using rsync for backups, because it's not shiny and new (tinkerbetter.tube)
submitted 1 year ago by to c/selfhosted@lemmy.world
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You might not even like rsync. Yeah it's old. Yeah it's slow. But if you're working with Linux you're going to need to know it.

In this video I walk through my favorite everyday flags for rsync.

Support the channel:
https://patreon.com/VeronicaExplains
https://ko-fi.com/VeronicaExplains
https://thestopbits.bandcamp.com

Here's a companion blog post, where I cover a bit more detail: https://vkc.sh/everyday-rsync

Also, @BreadOnPenguins made an awesome rsync video and you should check it out: https://www.youtube.com/watch?v=eifQI5uD6VQ

Lastly, I left out all of the ssh setup stuff because I made a video about that and the blog post goes into a smidge more detail. If you want to see a video covering the basics of using SSH, I made one a few years ago and it's still pretty good: https://www.youtube.com/watch?v=3FKsdbjzBcc

Chapters:
1:18 Invoking rsync
4:05 The --delete flag for rsync
5:30 Compression flag: -z
6:02 Using tmux and rsync together
6:30 but Veronica... why not use (insert shiny object here)

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[–] 5 points 1 year ago* (2 children)

slow

rsync is pretty fast, frankly. Once it's run once, if you have -a or -t passed, it'll synchronize mtimes. If the modification time and filesize matches, by default, rsync won't look at a file further, so subsequent runs will be pretty fast. You can't really beat that for speed unless you have some sort of monitoring system in place (like, filesystem-level support for identifying modifications).

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