设置nginx开机启动

本文目标

设置完成后，可以通过 /etc/init.d/nginx start 或者 service nginx start的方式启动nginx。

准备工作

查看linux服务器上nginx存放的目录(通过whereis nginx或者find / -name nginx命令查找)，记录下来，如：

nginx命令目录为：/usr/local/nginx/sbin/nginx

nginx.conf目录为: /usr/local/nginx/conf/nginx.conf

开始

# cd /etc/init.d
# 新建nginx文件
# touch nginx
# 改变该文件权限(由于该目录中几乎所有文件都是755权限,所以将nginx也设置为755)
# chmod 755 nginx
# chkconfig --add nginx
# 设置开机启动
# chkconfig --level 2345 nginx on
# 编辑nginx文件
# vi nginx

在文本编辑器中将以下代码复制进去，修改其中的nginx命令和nginx.conf配置文件位置

注: 以下代码来自官网 https://www.nginx.com/resources/wiki/start/topics/examples/redhatnginxinit/, 可到官网查看最新版本信息，并复制粘贴修改。

#!/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.
[ "$NETWORKING" = "no" ] && exit 0
# 1 - 修改这里↓
nginx="/usr/sbin/nginx"
prog=$(basename $nginx)
# 2 - 修改这里↓
NGINX_CONF_FILE="/etc/nginx/nginx.conf"

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

lockfile=/var/lock/subsys/nginx

make_dirs() {
   # make required directories
   user=`$nginx -V 2>&1 | grep "configure arguments:.*--user=" | sed 's/[^*]*--user=\([^ ]*\).*/\1/g' -`
   if [ -n "$user" ]; then
      if [ -z "`grep $user /etc/passwd`" ]; then
         useradd -M -s /bin/nologin $user
      fi
      options=`$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
    fi
}

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

根据本地的实际路径，将代码中的:

nginx="/usr/sbin/nginx" 改为 nginx="/usr/local/nginx/sbin/nginx"

NGINX_CONF_FILE="/etc/nginx/nginx.conf" 改为 NGINX_CONF_FILE="/usr/local/nginx/conf/nginx.conf"

最后将这个改动的文件全部内容复制粘贴到nginx文件内，:wq保存即可

测试

# service nginx status
nginx (pid 6799 6798) is running...
# service nginx stop
Stopping nginx:                                            [  OK  ]
# service nginx start
Starting nginx:                                            [  OK  ]

设置nginx开机启动

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