rsync and retain root/other_user attributes

~/bin/sync

#!/bin/bash
# add the following line to /etc/sudoers in the remote system
# username  ALL = NOPASSWD: /usr/bin/rsync
for myhost in asus dev x30 t60
do
ping -c 1 "$myhost" > /dev/null
if [ "$?" -eq 0 ] ; then
    echo "$myhost up"
    sudo rsync -Pha --delete --rsync-path="sudo rsync" --ignore-errors ~/common-files $USER@$myhost:
else
    echo "$myhost down"
fi
done

--
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