Nginx安裝和啟動

首先需要安裝乙個叫」epel-release」的軟體包，這個軟體包會自動配置yum的軟體倉庫。當然你也可以不安裝這個包，自己配置軟體倉庫也是一樣的。

yum install epel-release -y

epel源-是什麼?為什麼安裝？

epel (extra packages for enterprise linux)是基於fedora的乙個專案，為「紅帽系」的作業系統提供額外的軟體包，適用於rhel、centos和scientific linux

檢視nginx源

yum list all | grep nginx

安裝

yum  install  nginx -y

顯示軟體安裝資訊

rpm -ql nginx

/etc/logrotate.d/nginx /etc/nginx/fastcgi.conf /etc/nginx/fastcgi.conf.default /etc/nginx/fastcgi_params /etc/nginx/fastcgi_params.default /etc/nginx/koi-utf /etc/nginx/koi-win /etc/nginx/mime.types /etc/nginx/mime.types.default /etc/nginx/nginx.conf //主配置檔案 /etc/nginx/nginx.conf.default /etc/nginx/scgi_params /etc/nginx/scgi_params.default /etc/nginx/uwsgi_params /etc/nginx/uwsgi_params.default /etc/nginx/win-utf /usr/bin/nginx-upgrade /usr/lib/systemd/system/nginx.service /usr/lib64/nginx/modules /usr/sbin/nginx //主執行程式檔案 /usr/share/doc/nginx-1.16.1 /usr/share/doc/nginx-1.16.1/changes /usr/share/doc/nginx-1.16.1/readme /usr/share/doc/nginx-1.16.1/readme.dynamic /usr/share/doc/nginx-1.16.1/upgrade-notes-1.6-to-1.10 /usr/share/licenses/nginx-1.16.1 /usr/share/licenses/nginx-1.16.1/license /usr/share/man/man3/nginx.3pm.gz /usr/share/man/man8/nginx-upgrade.8.gz /usr/share/man/man8/nginx.8.gz /usr/share/nginx/html/404.html /usr/share/nginx/html/50x.html /usr/share/nginx/html/en-us /usr/share/nginx/html/icons /usr/share/nginx/html/icons/poweredby.png /usr/share/nginx/html/img /usr/share/nginx/html/index.html /usr/share/nginx/html/nginx-logo.png /usr/share/nginx/html/poweredby.png /usr/share/vim/vimfiles/ftdetect/nginx.vim /usr/share/vim/vimfiles/ftplugin/nginx.vim /usr/share/vim/vimfiles/indent/nginx.vim /usr/share/vim/vimfiles/syntax/nginx.vim /var/lib/nginx /var/lib/nginx/tmp

/var/log/nginx

通過 /usr/sbin/nginx -h 檢視執行命令

[root@izwz9cc9df2x1kjs5kptkmz admin]# /usr/sbin/nginx -h nginx version: nginx/1.16.1 usage: nginx [-?hvvttq] [-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 -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: /usr/share/nginx/) -c filename : set configuration file (default: /etc/nginx/nginx.conf) //啟動時，指定配置檔案

-g directives : set global directives out of configuration file

啟動命令：

/usr/sbin/nginx

啟動失敗

[root@izwz9cc9df2x1kjs5kptkmz admin]# /usr/sbin/nginx
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)
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)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: address already in use)
nginx: [emerg] still could not bind()

檢視埠占用情況

[root@izwz9cc9df2x1kjs5kptkmz admin]# netstat -tnlp | grep 80

tcp 0 0 0.0.0.0:80 0.0.0.0:* listen 2836/httpd

結束程序

kill -9    2836

再次啟動

/usr/sbin/nginx

檢視啟動情況

[root@izwz9cc9df2x1kjs5kptkmz admin]# ps -ef | grep nginx root 4395 1 0 20:32 ? 00:00:00 nginx: master process /usr/sbin/nginx //主 nginx 4396 4395 0 20:32 ? 00:00:00 nginx: worker process //子程序

root 4425 3453 0 20:33 pts/0 00:00:00 grep --color=auto nginx

通過配置檔案啟動

/usr/sbin/nginx -c /etc/nginx/nginx.conf

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