Использование rsync

Бекап домашнего каталога
rsync --force --ignore-errors --delete --delete-excluded --backup --backup-dir=`date +%Y-%m-%d` -azv /home/vova/ /mnt/alt/home/backup/


Асинхронная синхронизация каталогов
rsync --force --progress --keep-dirlinks --copy-dirlinks --ignore-errors --delete --delete-excluded -azv /mnt/duo/srv/www/htdocs/clipshare /srv/www/htdocs/
или для непримонтированного каталога
rsync --force --progress --keep-dirlinks --copy-dirlinks --ignore-errors --delete --delete-excluded -azv vova@192.168.0.102:/srv/www/htdocs/clipshare /srv/www/htdocs/

где
-b, --backup make backups (see --suffix & --backup-dir)
--backup-dir=DIR make backups into hierarchy based in DIR
-K, --keep-dirlinks treat symlinked dir on receiver as dir
-k, --copy-dirlinks transform symlink to dir into referent dir
-v, --verbose increase verbosity
-a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)
-z, --compress compress file data during the transfer
--delete delete extraneous files from dest dirs
--delete-excluded also delete excluded files from dest dirs