Centos7 设置nginx开机自启(systemctl和init.d两种方案)

cd /etc/init.d/
touch nginx
chmod +x 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
# config:      /etc/nginx/nginx.conf
# config:      /etc/sysconfig/nginx
# pidfile:     /var/run/nginx.pid

# Source function library.
. /etc/rc.d/init.d/functions

# Source networking configuration.
. /etc/sysconfig/network

# Check that networking is up.
[ "$NETWORKING" = "no" ] && exit 0

nginx="/AppHome/nginx/sbin/nginx"    #改成自己系统路径
prog=$(basename $nginx)

NGINX_CONF_FILE="/AppHome/nginx/conf/nginx.conf"    #改成自己系统路径

[ -f /etc/sysconfig/nginx ] && . /etc/sysconfig/nginx

#lockfile=/tmp/nginx.lock
lockfile=/var/lock/subsys/nginx

make_dirs() {
   # make required directories
   user=`nginx -V 2>&1 | grep "configure arguments:" | sed 's/[^*]*--user=\([^ ]*\).*/\1/g' -`
   options=`$nginx -V 2>&1 | grep 'configure arguments:'`
   for opt in $options; do
       if [ `echo $opt | grep '.*-temp-path'` ]; then
           value=`echo $opt | cut -d "=" -f 2`
           if [ ! -d "$value" ]; then
               # echo "creating" $value
               mkdir -p $value && chown -R $user $value
           fi
       fi
   done
}

start() {
    [ -x $nginx ] || exit 5
    [ -f $NGINX_CONF_FILE ] || exit 6
    make_dirs
    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
}

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|configtest)
        $1
        ;;
    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|configtest}"
        exit 2
esac

chkconfig --add /etc/init.d/nginx   #将nginx服务加入chkconfig管理列表
chkconfig nginx on                  #设置开机自动启动
# 想关闭开机自启,使用命令：chkconfig nginx off

# 服务命令
service nginx start      #开启服务
service nginx stop       #结束服务
service nginx restart    #重启服务
service nginx reload     #重载配置文件
service nginx status     #查看状态

cd /usr/lib/systemd/system
touch nginx.service

[Unit]
Description=nginx
After=network.target

[Service]
Type=forking
ExecStart=/AppHome/nginx/sbin/nginx -c /AppHome/nginx/conf/nginx.conf   #修改为自己系统对应的路径
ExecReload=/AppHome/nginx/sbin/nginx -s reload #修改为自己系统对应的路径
ExecStop=/AppHome/nginx/sbin/nginx -s quit    #修改为自己系统对应的路径
PrivateTmp=true

[Install]
WantedBy=multi-user.target

systemctl enable nginx.service

#服务命令
systemctl start nginx.service   #开启
systemctl stop nginx.service    #关闭
systemctl reload nginx.service  #重新加载配置
systemctl status nginx.service  #查看状态