rsync cmd with flags for optimal data transfer

useful_rsync_copy.sh

# Tested on ubuntu-18 and mac os x (mojave)
# I also tried the ssh compressed way of doing things, but this is much simpler
# There might be better combinations available, please leave a comment and I shall test and update this gist

rsync -vaHxPz username@IP:SOURCE_PATH DESTINATION_PATH

# rsync options explanation:
#  -v, --verbose               increase verbosity
#  -a, --archive               archive mode; same as -rlptgoD (no -H)
#      --no-OPTION             turn off an implied OPTION (e.g. --no-D)
#  -H, --hard-links            preserve hard links
#  -x, --one-file-system       don't cross filesystem boundaries
#  -P                          same as --partial --progress
#  -z, --compress              compress file data during the transfer
#      --compress-level=NUM    explicitly set compression level