###  wget http://centosone.binghamton.edu/Upload/new-yum-check;sh new-yum-check


cd /usr/local/bin
wget http://centosone.binghamton.edu/Upload/yum-check-update.shl
chmod 700 yum-check-update.shl
ls -l yum-check-update.shl
crontab -l >  /tmp/ct.out
echo "      0            2       *       *        6       /usr/local/bin/yum-check-update.shl" >>/tmp/ct.out
crontab /tmp/ct.out
crontab -l
echo " 
crontab -e
"