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查看软件版本及已编译参数
[root@localhost conf]# /usr/local/nginx/sbin/nginx -V
nginx version: nginx/1.12.2
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-16) (GCC)
built with OpenSSL 1.0.2k-fips 26 Jan 2017
TLS SNI support enabled
configure arguments: --user=www --group=www --prefix=/usr/local/nginx-1.12.2 --with-mail_ssl_module --with-http_stub_status_module --with-http_ssl_module --with-http_v2_module --with-http_gzip_static_module --with-http_sub_module检测Nginx配置文件语法有无问题，推荐启动和重启程序前都测试下。
[root@localhost conf]# /usr/local/nginx/sbin/nginx -t
nginx: the configuration file /usr/local/nginx-1.12.2/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx-1.12.2/conf/nginx.conf test is successful启动Nginx
[root@localhost conf]# /usr/local/nginx/sbin/nginx重新加载Nginx配置，配置文件修改后利用此命令可以避免重新启动Nginx程序使修改过的配置立即生效
[root@localhost conf]# /usr/local/nginx/sbin/nginx -s reload停止Nginx
[root@localhost conf]# /usr/local/nginx/sbin/nginx -s stop
正文完
