### cd /work; wget http://centosone.binghamton.edu/Upload/yum-update-update.sh; sh yum-update-update.sh
cd /usr/local/bin
mv yum-cron-update.bash yum-cron-update.bash.0
wget http://centosone.binghamton.edu/Upload/yum-cron-update.bash
chmod 700 yum-check-update.shl  yum-cron-update.bash
ls -l  yum-check-update.shl  yum-cron-update.bash