怎么在centos 6.5安装nginx

2025-02-25 17:06:01
推荐回答(1个)
回答1:

一、准备事项
(1) 因为nginx需要访问80端口所以请先关闭或者开放防火墙端口,和selinux。
参考命令
关闭防火墙:
[root@local ~]# iptables -I INPUT -p tcp --dport 80 -j ACCEPT
[root@local ~]# service iptables save
关闭selinux:
[root@local ~]# setenforce 0
[root@local ~]# vim /etc/selinux/config
将SELINUX=enforcing改为SELINUX=disabled

(2) 如果用到域名请自行构建DNS服务
二、安装
(1) 因为nginx的运行需要安装pcre、zlib等软件包,因此我们进行安装
Pcre=Pcre Compatible Regular Expressions(中文pcre兼容正则表达式)
Yum配置请参考: http://www.linuxidc.com/Linux/2015-11/125332.htm
[root@local ~] yum -y install pcre* zlib* #或者进行编译安装
[root@local ~]# useradd -M -s /sbin/nologin nginx #创建nginx服务

启动用户
(3) 编译安装nginx,下载地址:http://nginx.org/en/download.html 此次安装为最新稳定版nginx-1.8.0
[root@local ~]# tar zxf nginx-1.8.0.tar.gz
[root@local ~]# cd nginx-1.8.0
[root@local nginx-1.8.0]# ls
auto CHANGES.ru configure html Makefile objs src
CHANGES conf contrib LICENSE man README
[root@local nginx-1.8.0]# ./configure --user=nginx --group=nginx --prefix=/application/nginx-1.8.0 --with-http_stub_status_module --with-http_ssl_module #./configure –help 参数详解
[root@local nginx-1.8.0]# make
[root@local nginx-1.8.0]# make install

(4) 制作软连接
[root@local nginx-1.8.0]#ln –a /application/nginx-1.8.0/
/application/nginx

(5) 基本使用
#语法检查
[root@local nginx-1.8.0]# /application/nginx/sbin/nginx –t
nginx: the configuration file /application/nginx-1.8.0/conf/nginx.conf syntax is ok
nginx: configuration file /application/nginx-1.8.0/conf/nginx.conf test is successful
#启动服务
[root@local nginx-1.8.0]# /application/nginx/sbin/nginx
#端口检查
[root@local nginx-1.8.0]# netstat –lnt
#检查进程
[root@local nginx-1.8.0]# ps -ef | grep nginx #端口信息保存在
/application/nginx/logs/ nginx.pid 文件中
#通过端口查看占用进程
[root@local nginx-1.8.0]# lsof -i :80
#错误日志
/application/nginx/logs/error.log

三、编写nginx服务脚本
为了方便使用习惯,通过server 来启动、关闭、开启、重载nginx服务所以我们来编
写nginx的服务脚本(自己编写的脚本仅供参考!)
[root@local ~]# vim /etc/init.d/nginx
#!/bin/bash
#chkconfig: - 99 20
#description:Nginx Server Contorl Script
PROG="/application/nginx/sbin/nginx"
PIDF="/application/nginx/logs/nginx.pid"
ok=`echo -e "\e[1;31m [ok] \e[0m"`
no=`echo -e "\e[1;31m [no] \e[0m"`
detection=`/application/nginx/sbin/nginx -t 2>&1`
screen_1=`echo $detection | awk '{print $6,$7,$8}'`
screen_2=`echo $detection | awk '{print $13,$14,$15}'`
if [ "$screen_1" = "syntax is ok" ] && [ "$screen_2" = "test is successful" ];
then
case "$1" in
start)
$PROG
echo "Nginx Is starting state $ok"
;;
stop)
kill -s QUIT $(cat $PIDF)
echo "Nginx Is closing state $ok"
;;
restart)
$0 stop
$0 start
echo "Nginx Is to restart state $ok"
;;
reload)
kill -s HUP $(cat $PIDF)
echo "Nginx Is overloaded state $ok"
;;
*)
echo "Usage: $0 (start|stop|restart|reload)"
exit 1
esac
else
echo "Nginx check state $no "
echo "Please check the configuration file"
echo "$detection"
fi
exit 0

[root@local ~]# chmod +x /etc/init.d/nginx
[root@local ~]# chkconfig –add nginx #添加为系统服务
[root@local ~]# chkconfig nginx on

四、简单的nginx web站点
Nginx的默认站点目录,是安装目录下的html这里是(/application/nginx/html)
在主配置文件/application/nginx/conf/nginx.conf 中查看,对于重新部署web页面
只需将/application/nginx/html/中的index.html替换即可
主配置文件讲解

[root@local ~]# egrep -v "#|^$" /application/nginx/conf/nginx.conf
worker_processes 1; #指定Nginx开启的进程数
events { #设定Nginx的工作模式及连接数上线
worker_connections 1024;
}
http {
include mime.types; #主模块命令,实现对配置文件所有包含文件的设置
default_type application/octet-stream; #属于http核心模块命令,这里设
置类型为二进制流,也就是当文件类型未定义时使用这种方式,例如,没有配置PHP
环境时,nginx是不给予解析的,此时,用浏览器访问PHP文件就会出现下载窗口。
sendfile on; #用于高效文件传输模式
keepalive_timeout 65; 设置客户端请求头文件读取超时时间,如果超过这个时
间服务器会关闭该连接。
server { #定义虚拟主机开始的关键字
listen 80; #用于指定虚拟主机的服务端口
server_name localhost; 用于指定ip地址或者域名,多个域名用空格隔开
location / {
root html;
index index.html index.htm; #用于设定访问的默认首页
}
error_page 500 502 503 504 /50x.html;# 静态页面重定向服务器错误
页面,例如携程的网站崩溃出现的页面
location = /50x.html {
root html;
}
}
}

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