cat <> /usr/local/bin/upem.sh #!/usr/bin/sh echo "==============================" /usr/bin/yum update echo "==============================" cd /boot ls -l echo "==============================" uname -r echo "==============================" EOF chmod 700 /usr/local/bin/upem.sh ls -l /usr/local/bin/upem.sh /var/www/SEC/EOF-a-Script.html