yum install httpd httpd-devel

apachectl start

vi /etc/rc.d/init.d/httpd

#!/bin/sh
#
# Startup script for the Apache Web Server
#
# chkconfig: 345 85 15
# Description: Apache is a World Wide Web server.  It is used to serve \
#           HTML files and CGI.
# processname: httpd
# Source function library.

. /etc/rc.d/init.d/functions

# See how we were called.
case "$1" in
start)
echo -n "Starting httpd:"
/usr/sbin/apachectl start
;;
stop)
echo -n "Shutting down httpd:";
/usr/sbin/apachectl stop
;;
status)
/usr/sbin/apachectl status
;;
restart)
echo -n "Restarting httpd:";
/usr/sbin/apachectl restart
;;
reload)
echo -n "Reloading httpd: "
/usr/sbin/apachectl restart
echo
;;
*)
echo "Usage: $0 {start|stop|restart|reload|status}"
exit 1
esac

exit 0

chmod 755 /etc/rc.d/init.d/httpd

chkconfig --add httpd

chkconfig --levels 2345 httpd on