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# Nginx 系统服务配置
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## 1. Nginx配置成系统服务
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- 把Nginx应用服务设置成为系统服务,方便对Nginx服务的启动和停止等相关操作,具体实现步骤:
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- (1) 在`/usr/lib/systemd/system`目录下添加nginx.service,内容如下:
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```shell
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vim /usr/lib/systemd/system/nginx.service
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```
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- 具体内容
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```shell
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[Unit]
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Description=nginx web service
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Documentation=http://nginx.org/en/docs/
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After=network.target
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[Service]
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Type=forking
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PIDFile=/usr/local/nginx/logs/nginx.pid
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ExecStartPre=/usr/local/nginx/sbin/nginx -t -c /usr/local/nginx/conf/nginx.conf
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ExecStart=/usr/local/nginx/sbin/nginx
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ExecReload=/usr/local/nginx/sbin/nginx -s reload
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ExecStop=/usr/local/nginx/sbin/nginx -s stop
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PrivateTmp=true
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[Install]
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WantedBy=default.target
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```
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- (2)添加完成后如果权限有问题需要进行权限设置
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```shell
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chmod 755 /usr/lib/systemd/system/nginx.service
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```
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- (3)使用系统命令来操作Nginx服务
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```shell
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启动: systemctl start nginx
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停止: systemctl stop nginx
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重启: systemctl restart nginx
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重新加载配置文件: systemctl reload nginx
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查看nginx状态: systemctl status nginx
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开机启动: systemctl enable nginx
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```
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## 2. Nginx命令配置到系统环境
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- Nginx安装目录下的二级制可执行文件`nginx`的很多命令,要想使用这些命令前提是需要进入sbin目录下才能使用,很不方便,
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如何去优化,我们可以将该二进制可执行文件加入到系统的环境变量,这样的话在任何目录都可以使用nginx对应的相关命令。具体实现步骤如下:
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- (1)修改`/etc/profile`文件
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```shell
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vim /etc/profile
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在最后一行添加
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export PATH=$PATH:/usr/local/nginx/sbin
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```
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- (2)使之立即生效
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```shell
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source /etc/profile
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```
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- (3)执行nginx命令
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```shell
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nginx -V
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```
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