RSYNC Commands

Local folder sync

rsync -azP /source/ /destination/

Folder sync over SSH

rsync -e ssh -azP /source/ root@hostname:/destination/

RSYNC options:

-a : Archive mode. It preserves permissions, times, symbolic links, and devices
-z : Compress file data during the transfer
-P : See progress
-r : Recursive copy
-v : Verbose output
-A : Preserve ACL
-X : Preserve extended attributes/SELinux
-H : Backup hard links

Archive mode (-a)

# It Includes:
-r: --recursive recurse into directories
-l: --links copy symlinks as symlinks
-p: --perms preserve permissions
-t: --times preserve modification times
-g: --group preserve group
-o: --owner preserve owner (super-user only)
-D: same as --devices --specials
--devices: preserve device files (super-user only)
--specials: preserve special files
# It excludes:
-A: --acls preserve ACLs (implies -p)
-X: --xattrs preserve extended attributes
-H: --hard-links preserve hard links

References: