this post was submitted on 03 Oct 2025
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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)

(page 3) 46 comments
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[–] BCsven@lemmy.ca 2 points 3 days ago

Grsync is great. Having a GUI can be helpful

[–] portnull@lemmy.dbzer0.com 3 points 3 days ago* (last edited 3 days ago) (3 children)

Maybe I am missing something but how does it handle snapshots?

I use rsync all the time but only for moving data around effectively. But not for backups as it doesn't (AFAIK) hanld snapshots

[–] eager_eagle@lemmy.world 0 points 3 days ago* (last edited 3 days ago)

yeah, it doesn't, it's just for file transfer. It's only useful if transferring files somewhere else counts as a backup for you.

To me, the file transfer is just a small component of a backup tool.

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[–] Jessica@discuss.tchncs.de 2 points 3 days ago (1 children)

If you're trying to back up Windows OS drives for some reason, robocopy works quite similarly to rsync.

[–] Cyber@feddit.uk 1 points 3 days ago

Ah.. robocopy... that's a great tool

[–] tomkatt@lemmy.world 2 points 3 days ago

Rsync is great. I’ve been using it to back up my book library from my local Calibre collection to my NAS for years, it’s absurdly simple and convenient. Plus, -ruv lets me ignore unchanged files and backup recursively, and if I clean up locally and need that replicated, just need to add —delete.

[–] Tiger_Man_@szmer.info 1 points 3 days ago (1 children)

I use cp and an external hdd for backups

[–] GreenKnight23@lemmy.world 2 points 3 days ago

that's great until it's not.

[–] stratself 1 points 3 days ago* (last edited 3 days ago)

Rsync depends on OpenSSH, but it definitely isn't SFTP. I've tried using it against an SFTPGo instance, and lost some files because it runs its own binary, bypassing SFTPGo's permission checks. Instead, I've opted for rclone with the SFTP backend, which does everything rsync do and is very well compliant.

In fact, while SFTPGo's main developer published a fix for this bug, he also expressed intention to drop support for the command entirely. I think I'm just commenting to give a heads up for any passerby.

[–] CannedYeet@lemmy.world 0 points 3 days ago

If you want rsync but shiny, check out rshiny

[–] dum_lion@feddit.uk 0 points 3 days ago (1 children)

Y’all don’t seem to know about rsbackup, which is a terrible shame for you.

[–] dum_lion@feddit.uk 1 points 3 days ago

(I mean the one on greenend.org.uk!)

[–] dohpaz42@lemmy.world 0 points 3 days ago

Here’s how I approach old and slow:

  1. Older software is mature and battle tested. It’s been around long enough that the developers should know what they’re doing, and have built a strong community for help and support.
  2. Slow is okay when it comes to accuracy. Would I love to back up my gigabytes (peanuts compared to some of you folks out there with data centers in your attics) in seconds? Yes. But more importantly, I’d rather have my data be valid for if I ever need to do any kind of restore. And I’ve been around the block enough times in my career to see many useless backups.
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