rsync backup cheatsheet

rsync-cheatsheet.txt

rsync -raXi      --size-only /path/to/folder-to-backup/ /destinations/path/to/folder-to-backup
same as
rsync -rlptgoDXi --size-only /path/to/folder-to-backup/ /destinations/path/to/folder-to-backup
same as
rsync -rlptgoDXi --size-only /path/to/folder-to-backup /destinations/path/to

-r recursive
-l preserve links
-p preserve permissions (also updates permission on not transferred files)
-t preserve time        (also updates time on not transferred files)
-g preserve group
-o preserve owner
-D preserve device and special files
-X preserve xattrs
--size-only don't use time to decide if file needs update
-i, --itemize-changes output a change-summary for all updates

-u don't update files that are newer on the receiver
-n just simulate