详解Centos7中Nginx开机自启动的解决办法
<p>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。</p>
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测试环境</p>
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操作系统：centos7 64位 1611</p>
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Nginx版本： 1.11.10</p>
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本机Nginx安装时的配置参数</p>
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<code class="bash plain">.</code><code class="bash plain">/configure</code>
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<code class="bash plain">--prefix=</code><code class="bash plain">/usr/local/nginx</code>
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<code class="bash plain">--pid-path=</code><code class="bash plain">/usr/local/nginx/logs/nginx</code><code class="bash plain">.pid </code>
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<code class="bash plain">--lock-path=</code><code class="bash plain">/var/lock/nginx</code><code class="bash plain">.lock </code>
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<code class="bash plain">--error-log-path=</code><code class="bash plain">/var/log/nginx/error</code><code class="bash plain">.log </code>
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<code class="bash plain">--http-log-path=</code><code class="bash plain">/var/log/nginx/access</code><code class="bash plain">.log </code>
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<code class="bash plain">--with-http_gzip_static_module </code>
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<code class="bash plain">--http-client-body-temp-path=</code><code class="bash plain">/var/temp/nginx/client</code>
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<code class="bash plain">--http-proxy-temp-path=</code><code class="bash plain">/var/temp/nginx/proxy</code>
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<code class="bash plain">--http-fastcgi-temp-path=</code><code class="bash plain">/var/temp/nginx/fastcgi</code>
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<code class="bash plain">--http-uwsgi-temp-path=</code><code class="bash plain">/var/temp/nginx/uwsgi</code>
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<code class="bash plain">--http-scgi-temp-path=</code><code class="bash plain">/var/temp/nginx/scgi</code>
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编写脚本</p>
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<code class="bash plain"></code><code class="bash comments"># vim /etc/init.d/nginx</code>
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以下是脚本内容</p>
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<code class="bash comments">#!/bin/bash</code>
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<code class="bash comments"># nginx Startup script for the Nginx HTTP Server</code>
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<code class="bash comments"># it is v.0.0.2 version.</code>
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<code class="bash comments"># chkconfig: - 85 15</code>
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<code class="bash comments"># description: Nginx is a high-performance web and proxy server.</code>
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<code class="bash comments"># It has a lot of features, but it's not for everyone.</code>
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<code class="bash comments"># processname: nginx</code>
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<code class="bash comments"># pidfile: /usr/local/nginx/logs/nginx.pid</code>
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<code class="bash comments"># config: /usr/local/nginx/conf/nginx.conf</code>
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<code class="bash plain">nginxd=</code><code class="bash plain">/usr/local/nginx/sbin/nginx</code>
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<code class="bash plain">nginx_config=</code><code class="bash plain">/usr/local/nginx/conf/nginx</code><code class="bash plain">.conf</code>
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<code class="bash plain">nginx_pid=</code><code class="bash plain">/usr/local/nginx/logs/nginx</code><code class="bash plain">.pid</code>
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<code class="bash plain">RETVAL=0</code>
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<code class="bash plain">prog=</code><code class="bash string">"nginx"</code>
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<code class="bash comments"># Source function library.</code>
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<code class="bash plain">. </code><code class="bash plain">/etc/rc</code><code class="bash plain">.d</code><code class="bash plain">/init</code><code class="bash plain">.d</code><code class="bash plain">/functions</code>
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<code class="bash comments"># Source networking configuration.</code>
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<code class="bash plain">. </code><code class="bash plain">/etc/sysconfig/network</code>
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<code class="bash comments"># Check that networking is up.</code>
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<code class="bash plain">[ </code><code class="bash string">"${NETWORKING}"</code> <code class="bash plain">= </code><code class="bash string">"no"</code> <code class="bash plain">] && </code><code class="bash functions">exit</code> <code class="bash plain">0</code>
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<code class="bash plain">[ -x $nginxd ] || </code><code class="bash functions">exit</code> <code class="bash plain">0</code>
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<code class="bash comments"># Start nginx daemons functions.</code>
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<code class="bash plain">start() {</code>
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<code class="bash keyword">if</code> <code class="bash plain">[ -e $nginx_pid ];</code><code class="bash keyword">then</code>
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<code class="bash spaces"> </code><code class="bash functions">echo</code> <code class="bash string">"nginx already running...."</code>
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<code class="bash spaces"> </code><code class="bash functions">exit</code> <code class="bash plain">1</code>
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<code class="bash keyword">fi</code>
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<code class="bash spaces"> </code><code class="bash functions">echo</code> <code class="bash plain">-n $</code><code class="bash string">"Starting $prog: "</code>
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<code class="bash spaces"> </code><code class="bash plain">daemon $nginxd -c ${nginx_config}</code>
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<code class="bash spaces"> </code><code class="bash plain">RETVAL=$?</code>
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<code class="bash spaces"> </code><code class="bash functions">echo</code>
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<code class="bash spaces"> </code><code class="bash plain">[ $RETVAL = 0 ] && </code><code class="bash functions">touch</code> <code class="bash plain">/var/lock/subsys/nginx</code>
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<code class="bash spaces"> </code><code class="bash keyword">return</code> <code class="bash plain">$RETVAL</code>
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<code class="bash plain">}</code>
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<code class="bash comments"># Stop nginx daemons functions.</code>
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<code class="bash plain">stop() {</code>
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<code class="bash spaces"> </code><code class="bash functions">echo</code> <code class="bash plain">-n $</code><code class="bash string">"Stopping $prog: "</code>
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<code class="bash spaces"> </code><code class="bash plain">killproc $nginxd</code>
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<code class="bash spaces"> </code><code class="bash plain">RETVAL=$?</code>
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<code class="bash spaces"> </code><code class="bash functions">echo</code>
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<code class="bash spaces"> </code><code class="bash plain">[ $RETVAL = 0 ] && </code><code class="bash functions">rm</code> <code class="bash plain">-f </code><code class="bash plain">/var/lock/subsys/nginx</code> <code class="bash plain">/usr/local/nginx/logs/nginx</code><code class="bash plain">.pid</code>
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<code class="bash plain">}</code>
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<code class="bash comments"># reload nginx service functions.</code>
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<code class="bash plain">reload() {</code>
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<code class="bash spaces"> </code><code class="bash functions">echo</code> <code class="bash plain">-n $</code><code class="bash string">"Reloading $prog: "</code>
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<code class="bash spaces"> </code><code class="bash comments">#kill -HUP `cat ${nginx_pid}`</code>
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<code class="bash spaces"> </code><code class="bash plain">killproc $nginxd -HUP</code>
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<code class="bash spaces"> </code><code class="bash plain">RETVAL=$?</code>
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<code class="bash spaces"> </code><code class="bash functions">echo</code>
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<code class="bash plain">}</code>
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<code class="bash comments"># See how we were called.</code>
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<code class="bash keyword">case</code> <code class="bash string">"$1"</code> <code class="bash keyword">in</code>
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<code class="bash plain">start)</code>
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<code class="bash spaces"> </code><code class="bash plain">start</code>
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<code class="bash spaces"> </code><code class="bash plain">;;</code>
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<code class="bash plain">stop)</code>
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<code class="bash spaces"> </code><code class="bash plain">stop</code>
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<code class="bash spaces"> </code><code class="bash plain">;;</code>
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<code class="bash plain">reload)</code>
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<code class="bash spaces"> </code><code class="bash plain">reload</code>
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<code class="bash spaces"> </code><code class="bash plain">;;</code>
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<code class="bash plain">restart)</code>
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<code class="bash spaces"> </code><code class="bash plain">stop</code>
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<code class="bash spaces"> </code><code class="bash plain">start</code>
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<code class="bash spaces"> </code><code class="bash plain">;;</code>
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<code class="bash plain">status)</code>
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<code class="bash spaces"> </code><code class="bash plain">status $prog</code>
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<code class="bash spaces"> </code><code class="bash plain">RETVAL=$?</code>
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<code class="bash spaces"> </code><code class="bash plain">;;</code>
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<code class="bash plain">*)</code>
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<code class="bash spaces"> </code><code class="bash functions">echo</code> <code class="bash plain">$</code><code class="bash string">"Usage: $prog {start|stop|restart|reload|status|help}"</code>
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<code class="bash spaces"> </code><code class="bash functions">exit</code> <code class="bash plain">1</code>
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<code class="bash plain">esac</code>
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<code class="bash functions">exit</code> <code class="bash plain">$RETVAL</code>
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<code class="bash plain">:wq 保存并退出</code>
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<p>
*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。</p>
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设置文件的访问权限</p>
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<code class="bash plain"></code><code class="bash comments"># chmod a+x /etc/init.d/nginx</code>
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(a+x ==> all user can execute 所有用户可执行)</p>
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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…</p>
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<code class="bash plain">usage : nginx {start|stop|restart|reload|status|help}</code>
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<img style="max-width:100%!important;height:auto!important;"title="详解Centos7中Nginx开机自启动的解决办法" alt="详解Centos7中Nginx开机自启动的解决办法" src="https://zhuji.jb51.net/uploads/img/202305/22b274cc34e3d9babdf29e32214fce2f.jpg"></p>
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<img style="max-width:100%!important;height:auto!important;"title="详解Centos7中Nginx开机自启动的解决办法" alt="详解Centos7中Nginx开机自启动的解决办法" src="https://zhuji.jb51.net/uploads/img/202305/50e2b53bf78af66009919e8269ad3c8e.jpg"></p>
<p>
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</p>
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加入到rc.local文件中</p>
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<code class="bash plain"></code><code class="bash comments"># vi /etc/rc.local</code>
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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。</p>
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注意</p>
<p>
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。</p>
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修改rc.local访问权限,增加可执行权限</p>
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<code class="bash plain"></code><code class="bash comments"># chmod +x /etc/rc.d/rc.local</code>
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<img style="max-width:100%!important;height:auto!important;"title="详解Centos7中Nginx开机自启动的解决办法" alt="详解Centos7中Nginx开机自启动的解决办法" src="https://zhuji.jb51.net/uploads/img/202305/8f5264c4597c5ecf080bf4e9c9b65bdc.jpg"></p>
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现在重启后，自启动脚本就能正常执行了。</p>
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可以通过以下命令来查看nginx进行的运行情况</p>
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<code class="bash plain"></code><code class="bash comments"># ps aux | grep nginx</code>
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<img style="max-width:100%!important;height:auto!important;"title="详解Centos7中Nginx开机自启动的解决办法" alt="详解Centos7中Nginx开机自启动的解决办法" src="https://zhuji.jb51.net/uploads/img/202305/bf8cb4be1e8ab4fa28b568ce48994603.jpg"></p>
<p>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。</p>
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原文链接：http://www.centoscn.com/nginx/2017/0301/8562.html</p>
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