echo " -r root (default is $root)"
echo " -u rsyncurl for fedora (default is $fedora_url)"
echo " -U rsyncurl for centos (default is $centos_url)"
echo " -r root (default is $root)"
echo " -u rsyncurl for fedora (default is $fedora_url)"
echo " -U rsyncurl for centos (default is $centos_url)"