rsync

# rsync only files matching pattern
rsync -avz --include "*_small.jpg" --exclude "*.jpg" dir1/ dir2/
rsync -avz --include "*/" --include "*.jpg" --exclude "*" dir1/ dir2/
rsync -avz --include "*/" --include "**.svn**" --exclude "*" just-checked-out/ old-and-modified/
 
# rsync over ssh
rsync -are ssh root@192.168.1.2:/data/bilder /mnt/