Bash script to sync a number of machines from the current one

pass "all" to do the lot from one major node. edit as appropriate.
set SYNCHOSTS if you like or set the defaults as appropriate.

#!/bin/bash

COMMAND=$1

hosts=${SYNCHOSTS};
if [ -z ${hosts} ]; then
    hosts=(asus x30 dev t60)
fi

for myhost in "${hosts[@]}"; 
do
    ping -c 1 "$myhost" > /dev/null
    if [ "$?" -eq 0 ] ; then
        echo "${myhost} up"
        if [ "${COMMAND}" = "all" ]; then 
            rsync -avz  --force --exclude ".emacs.d/agent" --exclude ".emacs.d/url" --delete --exclude "auto-save-list" --exclude ".gnuskillfiled" --exclude "*~" --ignore-errors ~/common-files  $USER@$myhost:
        else
            rsync -avz ~/Mail  $USER@$myhost:
            rsync -avz ~/.org-files  $USER@$myhost:
            rsync -avz ~/bin  $USER@$myhost:
        fi
    else
        echo "$myhost down"
    fi
done

--
My Emacs Files At GitHub

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

--
My Emacs Files At GitHub