[root@limt sbin]# /usr/local/nginx/sbin/nginx -hnginx version: nginx/1.7.9Usage: nginx [-?hvVtq] [-s signal] [-c filename] [-p prefix] [-g directives]Options:  -?,-h         : this help  -v            : show version and exit  -V            : show version and configure options then exit  -t            : test configuration 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: /usr/local/nginx/)  -c filename   : set configuration file (default: conf/nginx.conf)  -g directives : set global directives out of configuration file1 指定配置文件启动/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf-c参数指定了要加载的nginx配置文件路径[root@limt sbin]# ps -ef|grep nginxroot       4631      1  0 03:17 ?        00:00:00 nginx: master process ./nginx -c /usr/local/nginx/conf/nginx.confnobody     4632   4631  0 03:17 ?        00:00:00 nginx: worker process                      root       4634   4496  0 03:18 pts/0    00:00:00 grep nginx2 修改配置文件后重新加载kill -HUP 主进称号或进程号文件路径（/usr/local/nginx/logs/nginx.pid）kill -HUP  `cat /usr/local/nginx/logs/nginx.pid`或者使用/usr/nginx/sbin/nginx -s reload3 测试配置文件正确性[root@limt sbin]# ./nginx -tnginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is oknginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful4 停止nginx从容停止Nginx：kill -QUIT 主进程号快速停止Nginx：kill -TERM 主进程号强制停止Nginx：pkill -9 主进程号

#指定nginx worker进程运行用户以及用户组，默认nobodyuser  nobody; #指定nginx要开启的进程数。最好与CPU个数相同               worker_processes  2;         #用来定义全局错误日志文件。级别有：debug、info、notice、warn、error和crit。debug输出日志最为详细，criti输出日志最少#error_log  logs/error.log;error_log  logs/error.log  notice;#error_log  logs/error.log  info;#用来指定进程id的存储文件位置pid        logs/nginx.pid;#设定nginx的工作模式及连接上限events {    #支持的工作模式有：select、poll、kqueue、epoll和rtsig.对于linux系统，epoll是首选模式    use epoll;     #定义nginx每个进程的最大连接数    worker_connections  2048;}#HTTP服务器配置http {    #实现对配置文件所包含的文件的设定，可以减少主配置文件的复杂度    include       mime.types;    #设定默认类型为二进制流    default_type  application/octet-stream;    log_format  main  ‘$remote_addr - $remote_user [$time_local] "$request" ‘                      ‘$status $body_bytes_sent "$http_referer" ‘                      ‘"$http_user_agent" "$http_x_forwarded_for"‘;    access_log  logs/access.log  main;    #用于开启高效文件传输模式    sendfile        on;    #防止TCP阻塞    #tcp_nopush     on;    #用于设置客户端连接保持活动的超时时间,超过这个时间，服务器会关闭该连接    #keepalive_timeout  0;    keepalive_timeout  65;    #支持压缩传输，提高传输速度    #gzip  on;    #虚拟主机    server {        #监听端口        listen       80;        #主机头（域名）        server_name  localhost;        #web服务器的语言编码        #charset koi8-r;        access_log  logs/host.access.log  main;        #匹配url地址中有"/",则执行花括号中的配置        location / {            #虚拟主机的本地目录，完整路径：/opt/nginx/html，也可写绝对路径            root  /var/nginx;            #默认索引的首页格式及顺序            index  index.html index.htm;        }        #error_page  404              /404.html;        # redirect server error pages to the static page /50x.html        #        error_page   500 502 503 504  /50x.html;        location = /50x.html {            root   html;        }        # proxy the PHP scripts to Apache listening on 127.0.0.1:80        #        #location ~ \.php$ {        #    proxy_pass   http://127.0.0.1;        #}        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000        #        #location ~ \.php$ {        #    root           html;        #    fastcgi_pass   127.0.0.1:9000;        #    fastcgi_index  index.php;        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;        #    include        fastcgi_params;        #}        # deny access to .htaccess files, if Apache‘s document root        # concurs with nginx‘s one        #        #location ~ /\.ht {        #    deny  all;        #}    }    # another virtual host using mix of IP-, name-, and port-based configuration    #    #server {    #    listen       8000;    #    listen       somename:8080;    #    server_name  somename  alias  another.alias;    #    location / {    #        root   html;    #        index  index.html index.htm;    #    }    #}    # HTTPS server    #    #server {    #    listen       443 ssl;    #    server_name  localhost;    #    ssl_certificate      cert.pem;    #    ssl_certificate_key  cert.key;    #    ssl_session_cache    shared:SSL:1m;    #    ssl_session_timeout  5m;    #    ssl_ciphers  HIGH:!aNULL:!MD5;    #    ssl_prefer_server_ciphers  on;    #    location / {    #        root   html;    #        index  index.html index.htm;    #    }    #}}