Rsync
This article is my reference for everything to do with Rsync. I use Rsync for docker containers, backups and moving servers.
Rsync
This article is my reference for everything to do with Rsync.
I primarily use Rsync for backups and moving servers.
Rsync is the best way (that I’m currently aware of) to transfer files. Only use Rsync when you need to copy files more than once.
Here are some examples of how Rsync may be used.
- Backing up from server to server using ssh
- Backing up from drive to drive on the same server
- Moving from one server to the other (first for a copy then second to move/delete the files at launch)
Nick’s Rsync examples
Rsync through ssh.
#synchronize backups to the local machine
rsync -e ssh -avzu -c -C root@192.168.0.10:/Store/Backups/ /Backups/ServerTen/
Do you have any Rsync tricks you use? post them to the comments section.
Rsync Parameters
I wanted a quick reference for Rsync parameters so I didn’t have to weed through the man pages. Here are my most used parameters:
-q, --quiet suppress non-error messages
-c, --checksum skip based on checksum, not mod-time & size
-a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)
-r, --recursive recurse into directories
-u, --update skip files that are newer on the receiver
-d, --dirs transfer directories without recursing
-l, --links copy symlinks as symlinks
-L, --copy-links transform symlink into referent file/dir
-k, --copy-dirlinks transform symlink to dir into referent dir
-K, --keep-dirlinks treat symlinked dir on receiver as dir
-H, --hard-links preserve hard links
-p, --perms preserve permissions
-E, --executability preserve executability
--chmod=CHMOD affect file and/or directory permissions
-A, --acls preserve ACLs (implies -p)
-X, --xattrs preserve extended attributes
-o, --owner preserve owner (super-user only)
-g, --group preserve group
-t, --times preserve modification times
-n, --dry-run perform a trial run with no changes made
-W, --whole-file copy files whole (w/o delta-xfer algorithm)
-x, --one-file-system don't cross filesystem boundaries
-B, --block-size=SIZE force a fixed checksum block-size
-e, --rsh=COMMAND specify the remote shell to use
--rsync-path=PROGRAM specify the rsync to run on remote machine
--delete-before receiver deletes before transfer (default)
-I, --ignore-times don't skip files that match size and time
-z, --compress compress file data during the transfer
-h, --human-readable output numbers in a human-readable format
Pro tip: use Rsync in a screen session in case you loose your connection.
Rsync Snippets
Only copy directory structure not files
rsync -a --include='*/' --exclude='*' source/ destination/
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