How to solve the problem of Nginx auto-starting in Centos7-Nginx-php.cn

How to solve the problem of Nginx auto-starting in Centos7

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Release： 2023-05-12 20:16:18

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关于在centos7中设置nginx开机自启动，我们可以通过编写开机自启动shell脚本来解决。

测试环境

操作系统：centos7 64位 1611

nginx版本： 1.11.10

本机nginx安装时的配置参数

./configure \
--prefix=/usr/local/nginx \
--pid-path=/usr/local/nginx/logs/nginx.pid \
--lock-path=/var/lock/nginx.lock \
--error-log-path=/var/log/nginx/error.log \
--http-log-path=/var/log/nginx/access.log \
--with-http_gzip_static_module \
--http-client-body-temp-path=/var/temp/nginx/client \
--http-proxy-temp-path=/var/temp/nginx/proxy \
--http-fastcgi-temp-path=/var/temp/nginx/fastcgi \
--http-uwsgi-temp-path=/var/temp/nginx/uwsgi \
--http-scgi-temp-path=/var/temp/nginx/scgi

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编写脚本

[root@localhost]# vim /etc/init.d/nginx

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以下是脚本内容

#!/bin/bash
# nginx startup script for the nginx http server
# it is v.0.0.2 version.
# chkconfig: - 85 15
# description: nginx is a high-performance web and proxy server.
#       it has a lot of features, but it&#39;s not for everyone.
# processname: nginx
# pidfile: /usr/local/nginx/logs/nginx.pid
# config: /usr/local/nginx/conf/nginx.conf
nginxd=/usr/local/nginx/sbin/nginx
nginx_config=/usr/local/nginx/conf/nginx.conf
nginx_pid=/usr/local/nginx/logs/nginx.pid
retval=0
prog="nginx"
# source function library.
. /etc/rc.d/init.d/functions
# source networking configuration.
. /etc/sysconfig/network
# check that networking is up.
[ "${networking}" = "no" ] && exit 0
[ -x $nginxd ] || exit 0
# start nginx daemons functions.
start() {
if [ -e $nginx_pid ];then
  echo "nginx already running...."
  exit 1
fi
  echo -n $"starting $prog: "
  daemon $nginxd -c ${nginx_config}
  retval=$?
  echo
  [ $retval = 0 ] && touch /var/lock/subsys/nginx
  return $retval
}
# stop nginx daemons functions.
stop() {
    echo -n $"stopping $prog: "
    killproc $nginxd
    retval=$?
    echo
    [ $retval = 0 ] && rm -f /var/lock/subsys/nginx /usr/local/nginx/logs/nginx.pid
}
# reload nginx service functions.
reload() {
  echo -n $"reloading $prog: "
  #kill -hup `cat ${nginx_pid}`
  killproc $nginxd -hup
  retval=$?
  echo
}
# see how we were called.
case "$1" in
start)
    start
    ;;
stop)
    stop
    ;;
reload)
    reload
    ;;
restart)
    stop
    start
    ;;
status)
    status $prog
    retval=$?
    ;;
*)
    echo $"usage: $prog {start|stop|restart|reload|status|help}"
    exit 1
esac
exit $retval
:wq 保存并退出

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*对于shell脚本中的部分文件路径请修改成你主机上nginx的相应路径，例如： nginxd=/usr/local/nginx/sbin/nginx nginx_config=/usr/local/nginx/conf/nginx.conf nginx_pid=/usr/local/nginx/logs/nginx.pid 以上都是本测试机nginx的相应路径还有nginx的pid默认路径是nginx安装目录的logs/nginx.pid里。

设置文件的访问权限

[root@localhost]# chmod a+x /etc/init.d/nginx

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(a+x ==> all user can execute 所有用户可执行)

这样在控制台就很容易的操作nginx了：查看nginx当前状态、启动nginx、停止nginx、重启nginx…

usage : nginx {start|stop|restart|reload|status|help}

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如果修改了nginx的配置文件nginx.conf，也可以使用上面的命令重新加载新的配置文件并运行，可以将此命令加入到rc.local文件中，这样开机的时候nginx就默认启动了

加入到rc.local文件中

[root@localhost]# vi /etc/rc.local

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加入一行 /etc/init.d/nginx start 保存并退出，下次重启会生效。

注意

如果开机后发现自启动脚本没有执行，你要去确认一下rc.local这个文件的访问权限是否是可执行的，因为rc.local默认是不可执行的。

修改rc.local访问权限,增加可执行权限

[root@localhost]# chmod +x /etc/rc.d/rc.local

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现在重启后，自启动脚本就能正常执行了。

可以通过以下命令来查看nginx进行的运行情况

[root@localhost]# ps aux | grep nginx

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