nginx 设置为系统服务

vim /etc/init.d/nginx

#!/bin/sh   
#   
# nginx - this script starts and stops the nginx daemon   
#   
# chkconfig: - 85 15   
# description: Nginx is an HTTP(S) server, HTTP(S) reverse   
# proxy and IMAP/POP3 proxy server   
# processname: nginx   
# chkconfig: 2345 90 91   
# description: nginx web server  
# processname: nginx  
# config: /opt/nginx/conf/nginx.conf  
# pidfile: /opt/nginx/nginx.pid  
  
# Source function library.  
. /etc/init.d/functions  
  
# Source networking configuration.  
. /etc/sysconfig/network  
  
  
if [ -f /etc/sysconfig/nginx ];then  
. /etc/sysconfig/nginx  
fi  
  
# Check that networking is up.   
[ "$NETWORKING" = "no" ] && exit 0  
  
nginx="/opt/nginx/sbin/nginx"   
prog=$(basename $nginx)  
  
NGINX_CONF_FILE="/opt/nginx/conf/nginx.conf"  
  
[ -f /etc/sysconfig/nginx ] && . /etc/sysconfig/nginx  
  
lockfile=/var/lock/subsys/nginx  
  
start() {   
[ -x $nginx ] || exit 5   
[ -f $NGINX_CONF_FILE ] || exit 6   
echo -n $"Starting $prog: "   
daemon $nginx #-c $NGINX_CONF_FILE   
retval=$?   
echo   
[ $retval -eq 0 ] && touch $lockfile   
return $retval   
}  
  
stop() {   
echo -n $"Stopping $prog: "   
killproc $prog -QUIT   
retval=$?   
echo   
[ $retval -eq 0 ] && rm -f $lockfile   
return $retval   
killall -9 nginx   
}  
  
restart() {   
configtest || return $?   
stop   
sleep 1   
start   
}  
  
reload() {   
configtest || return $?   
echo -n $"Reloading $prog: "   
killproc $nginx -HUP   
RETVAL=$?   
echo   
}  
  
force_reload() {   
restart   
}  
  
configtest() {   
$nginx -t #-c $NGINX_CONF_FILE   
}  
  
rh_status() {   
status $prog   
}  
  
rh_status_q() {   
rh_status >/dev/null 2>&1   
}  
  
case "$1" in   
start)   
    rh_status_q && exit 0   
    $1   
    ;;   
stop)   
rh_status_q || exit 0   
    $1   
    ;;   
restart)   
    $1   
    ;;   
test)   
    configtest   
    ;;   
reload)   
    rh_status_q || exit 7   
    $1   
    ;;   
force-reload)   
    force_reload   
    ;;   
status)   
    rh_status   
    ;;   
condrestart|try-restart)   
    rh_status_q || exit 0   
    ;;   
*)   
echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|test}"   
exit 2   
esac   

chmod a+x /etc/init.d/nginx

chkconfig --add nginx
chkconfig nginx on

service nginx status