重识Nginx - 04 Nginx常用命令行

2022-10-04 17:24:09 浏览数 (1)

文章目录

  • Nginx命令行
    • 帮助命令
    • 使用指定的配置文件 -c
    • 指定配置指令 -g
    • 指定运行目录 -p
    • 发送信号 -s
    • 测试配置文件是否有语法错误 -t -T
    • 打印nginx的版本信息、编译信息等 -v -V

Nginx命令行

帮助命令

代码语言：javascript复制
  -?,-h         : this help
代码语言：javascript复制
[root@VM-0-7-centos sbin]# ./nginx  -h
nginx version: nginx/1.22.0
Usage: nginx [-?hvVtTq] [-s signal] [-p prefix]
             [-e filename] [-c filename] [-g directives]

Options:
  -?,-h         : this help
  -v            : show version and exit
  -V            : show version and configure options then exit
  -t            : test configuration and exit
  -T            : test configuration, dump it and exit
  -q            : suppress non-error messages during configuration testing
  -s signal     : send signal to a master process: stop, quit, reopen, reload
  -p prefix     : set prefix path (default: /root/ng/artisan_ng/)
  -e filename   : set error log file (default: logs/error.log)
  -c filename   : set configuration file (default: conf/nginx.conf)
  -g directives : set global directives out of configuration file

[root@VM-0-7-centos sbin]# ./nginx  -?
nginx version: nginx/1.22.0
Usage: nginx [-?hvVtTq] [-s signal] [-p prefix]
             [-e filename] [-c filename] [-g directives]

Options:
  -?,-h         : this help
  -v            : show version and exit
  -V            : show version and configure options then exit
  -t            : test configuration and exit
  -T            : test configuration, dump it and exit
  -q            : suppress non-error messages during configuration testing
  -s signal     : send signal to a master process: stop, quit, reopen, reload
  -p prefix     : set prefix path (default: /root/ng/artisan_ng/)
  -e filename   : set error log file (default: logs/error.log)
  -c filename   : set configuration file (default: conf/nginx.conf)
  -g directives : set global directives out of configuration file

[root@VM-0-7-centos sbin]#

使用指定的配置文件 -c

代码语言：javascript复制
[root@VM-0-7-centos ~]#
[root@VM-0-7-centos ~]# cd ng/artisan_ng/
[root@VM-0-7-centos artisan_ng]# ll
total 36   当前目录 /root/ng/artisan_ng
drwx------ 2 nobody root 4096 Oct  2 09:56 client_body_temp
drwxr-xr-x 2 root   root 4096 Oct  2 09:55 conf
drwx------ 2 nobody root 4096 Oct  2 09:56 fastcgi_temp
drwxr-xr-x 2 root   root 4096 Sep 26 00:14 html
drwxr-xr-x 2 root   root 4096 Oct  2 09:56 logs
drwx------ 2 nobody root 4096 Oct  2 09:56 proxy_temp
drwxr-xr-x 2 root   root 4096 Sep 26 00:14 sbin
drwx------ 2 nobody root 4096 Oct  2 09:56 scgi_temp
drwx------ 2 nobody root 4096 Oct  2 09:56 uwsgi_temp
[root@VM-0-7-centos artisan_ng]#
[root@VM-0-7-centos artisan_ng]# ./sbin/nginx  -c  ./conf/nginx.conf
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
^C  （忽略这个错误，已经起来了ng）
[root@VM-0-7-centos artisan_ng]# cd sbin/
[root@VM-0-7-centos sbin]# ./nginx  -c /root/ng/artisan_ng/conf/nginx.conf
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
^C （忽略这个错误，已经起来了ng）
[root@VM-0-7-centos sbin]#

指定配置指令 -g

代码语言：javascript复制
 -g directives : set global directives out of configuration file

指定运行目录 -p

代码语言：javascript复制
-p prefix     : set prefix path
代码语言：javascript复制
[root@VM-0-7-centos artisan_ng]# pwd
/root/ng/artisan_ng
[root@VM-0-7-centos artisan_ng]# ./sbin/nginx -p `pwd` -c ./conf/nginx.conf
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
（忽略这个错误，已经起来了ng）

发送信号 -s

代码语言：javascript复制
 -s signal     : send signal to a master process: stop, quit, reopen, reload
  • 立刻停止服务 stop
  • 优雅的停止服务 quit
  • 重载配置文件 reload
  • 重新开始记录日志文件 reopen
代码语言：javascript复制
[root@VM-0-7-centos sbin]# ./nginx  -s stop
[root@VM-0-7-centos sbin]# ps -ef|grep nginx
root      447612  447331  0 12:22 pts/0    00:00:00 grep --color=auto nginx
[root@VM-0-7-centos sbin]#
[root@VM-0-7-centos sbin]# ./nginx -c /root/ng/artisan_ng/conf/nginx.conf
[root@VM-0-7-centos sbin]#
[root@VM-0-7-centos sbin]#
[root@VM-0-7-centos sbin]# ./nginx -s reload
[root@VM-0-7-centos sbin]#
[root@VM-0-7-centos sbin]#
[root@VM-0-7-centos sbin]# ./nginx -s quit
[root@VM-0-7-centos sbin]#
[root@VM-0-7-centos sbin]# ps -ef|grep nginx
root      447738  447331  0 12:23 pts/0    00:00:00 grep --color=auto nginx
[root@VM-0-7-centos sbin]#
[root@VM-0-7-centos sbin]#
[root@VM-0-7-centos sbin]# ./nginx -c /root/ng/artisan_ng/conf/nginx.conf
[root@VM-0-7-centos sbin]#
[root@VM-0-7-centos sbin]#
[root@VM-0-7-centos sbin]# ps -ef|grep nginx
root      447751       1  0 12:23 ?        00:00:00 nginx: master process ./nginx -c /root/ng/artisan_ng/conf/nginx.conf
nobody    447752  447751  0 12:23 ?        00:00:00 nginx: worker process
root      447758  447331  0 12:23 pts/0    00:00:00 grep --color=auto nginx
[root@VM-0-7-centos sbin]#
 




[root@VM-0-7-centos artisan_ng]# cd logs/
[root@VM-0-7-centos logs]# ll
total 16
-rw-r--r-- 1 nobody root 2001 Oct  2 12:23 access.log
-rw-r--r-- 1 nobody root 4658 Oct  2 12:23 error.log
-rw-r--r-- 1 root   root    7 Oct  2 12:23 nginx.pid
[root@VM-0-7-centos logs]#
[root@VM-0-7-centos logs]# mv access.log access.log_bak   改名   
[root@VM-0-7-centos logs]#
[root@VM-0-7-centos logs]#
[root@VM-0-7-centos logs]# cd ../sbin/
[root@VM-0-7-centos sbin]# ./nginx  -s reopen  重新生成access 和 errorlog  , 没改名的话，不会新生成。 
[root@VM-0-7-centos sbin]#
[root@VM-0-7-centos sbin]# cd ../logs/
[root@VM-0-7-centos logs]# ll
total 16
-rw-r--r-- 1 nobody root    0 Oct  2 12:24 access.log
-rw-r--r-- 1 nobody root 2001 Oct  2 12:23 access.log_bak
-rw-r--r-- 1 nobody root 4947 Oct  2 12:24 error.log
-rw-r--r-- 1 root   root    7 Oct  2 12:23 nginx.pid
[root@VM-0-7-centos logs]#
[root@VM-0-7-centos logs]#

测试配置文件是否有语法错误 -t -T

代码语言：javascript复制
 -t            : test configuration and exit
 -T            : test configuration, dump it and exit
代码语言：javascript复制
[root@VM-0-7-centos sbin]# ./nginx  -t
nginx: the configuration file /root/ng/artisan_ng/conf/nginx.conf syntax is ok
nginx: configuration file /root/ng/artisan_ng/conf/nginx.conf test is successful
[root@VM-0-7-centos sbin]# ./nginx -T
nginx: the configuration file /root/ng/artisan_ng/conf/nginx.conf syntax is ok
nginx: configuration file /root/ng/artisan_ng/conf/nginx.conf test is successful
# configuration file /root/ng/artisan_ng/conf/nginx.conf:

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


http {
   .....
   .....
   ......
}

# configuration file /root/ng/artisan_ng/conf/mime.types:

types {
    text/html                                        html htm shtml;
    .....
    .....
    .....
    video/x-msvideo                                  avi;
}

[root@VM-0-7-centos sbin]#

打印nginx的版本信息、编译信息等 -v -V

代码语言：javascript复制
 -v            : show version and exit
 -V            : show version and configure options then exit
代码语言：javascript复制
[root@VM-0-7-centos sbin]# ./nginx -v
nginx version: nginx/1.22.0
[root@VM-0-7-centos sbin]# ./nginx -V
nginx version: nginx/1.22.0
built by gcc 8.5.0 20210514 (Red Hat 8.5.0-4) (GCC)
configure arguments: --prefix=/root/ng/artisan_ng
[root@VM-0-7-centos sbin]#
nginx 打包 腾讯云测试服务

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