Centos7之Nginx

1、安装

　　下载RPM:　wget http://nginx.org/download/nginx-1.16.0.tar.gz

　　解压：tar -zxf nginx-1.16.0.tar.gz

　　安装：

　　　　cd nginx-1.16.0

　　　　./configure
　　　　make && make install

2、安装成功后nginx的几个默认目录

　　执行目录：/usr/sbin/nginx

　　模块所在目录：/usr/lib64/nginx/modules

　　配置所在目录：/etc/nginx/

　　默认站点目录：/usr/share/nginx/html

　　主要配置文件：/etc/nginx/nginx.conf 指向：/etc/nginx/conf.d/default.conf
　　PID目录：/var/run/nginx.pid
　　错误日志：/var/log/nginx/error.log
　　访问日志：/var/log/nginx/access.log

3、查看nginx状态

　　输入命令：systemctl status nginx.service

 1 [root@N37012 ~]# systemctl status nginx.service
 2 ● nginx.service - nginx
 3    Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; vendor preset: disabled)
 4    Active: failed (Result: exit-code) since 日 2019-05-19 16:31:16 CST; 15min ago
 5   Process: 23482 ExecStop=/usr/local/nginx/sbin/nginx quit (code=exited, status=1/FAILURE)
 6  Main PID: 7158 (code=exited, status=0/SUCCESS)
 7 
 8 5月 19 16:00:29 N37012 systemd[1]: Starting nginx...
 9 5月 19 16:00:30 N37012 systemd[1]: Started nginx.
10 5月 19 16:31:15 N37012 systemd[1]: Stopping nginx...
11 5月 19 16:31:15 N37012 nginx[23482]: nginx: invalid option: "quit"
12 5月 19 16:31:16 N37012 systemd[1]: nginx.service: control process exited, code=exited status=1
13 5月 19 16:31:16 N37012 systemd[1]: Stopped nginx.
14 5月 19 16:31:16 N37012 systemd[1]: Unit nginx.service entered failed state.
15 5月 19 16:31:16 N37012 systemd[1]: nginx.service failed.
16 [root@N37012 ~]#

4、启动、停止、重启命令

　　systemctl start nginx.service

　　systemctl stop nginx.service

　　systemctl reload nginx.service

　　systemctl status nginx.service

5、查看nginx的状态

 1 [root@N37012 ~]# systemctl status nginx.service 
 2 ● nginx.service - nginx
 3    Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; vendor preset: disabled)
 4    Active: active (running) since 日 2019-05-19 16:00:30 CST; 30min ago
 5  Main PID: 7158 (nginx)
 6     Tasks: 2
 7    CGroup: /system.slice/nginx.service
 8            ├─7158 nginx: master process /usr/local/nginx/sbin/nginx
 9            └─7159 nginx: worker process
10 
11 5月 19 16:00:29 N37012 systemd[1]: Starting nginx...
12 5月 19 16:00:30 N37012 systemd[1]: Started nginx.
13 [root@N37012 ~]#

6、杀掉进程命令

　　a.相关nginx进程全部杀掉：killall -9 nginx

　　b.把PID两个经常杀掉：kill -9 pid1 and kill -9 pid 2

6、查看版本

　　输入命令：nginx -V

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