Linux で rpm 経由で nginx をインストールする

[root@chen ~]# wget http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm
--2015-12-31 23:05:21--  http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm
正在解析主机 nginx.org... 206.251.255.63, 95.211.80.227, 2001:1af8:4060:a004:21::e3
正在连接 nginx.org|206.251.255.63|:80... 已连接。
已发出 HTTP 请求，正在等待回应... 200 OK
长度：4311 (4.2K) [application/x-redhat-package-manager]
正在保存至: “nginx-release-centos-6-0.el6.ngx.noarch.rpm”
 
100%[================================================>] 4,311       --.-K/s   in 0s     
 
2015-12-31 23:05:25 (39.1 MB/s) - 已保存 “nginx-release-centos-6-0.el6.ngx.noarch.rpm” [4311/4311])

[root@chen ~]# rpm -ivh nginx-release-centos-6-0.el6.ngx.noarch.rpm
warning: nginx-release-centos-6-0.el6.ngx.noarch.rpm: Header V4 RSA/SHA1 Signature, key ID 7bd9bf62: NOKEY
Preparing...                ########################################### [100%]
   1:nginx-release-centos   ########################################### [100%]

[root@chen ~]# yum install nginx
已加载插件：fastestmirror, security
设置安装进程
Determining fastest mirrors
* base: mirrors.skyshe.cn
* extras: mirrors.skyshe.cn
* updates: mirrors.opencas.cn
base                                                               | 3.7 kB     00:00    
base/primary_db                                                    | 3.6 MB     00:05    
file:///mnt/repodata/repomd.xml: [Errno 14] Could not open/read file:///mnt/repodata/repomd.xml
尝试其他镜像。
extras                                                             | 3.4 kB     00:00    
extras/primary_db                                                  |  30 kB     00:00    
nginx                                                              | 2.9 kB     00:00    
nginx/primary_db                                                   | 6.8 kB     00:00    
updates                                                            | 3.4 kB     00:00    
updates/primary_db                                                 | 3.1 MB     00:18    
解决依赖关系
--> 执行事务检查
---> Package nginx.i386 0:1.8.0-1.el6.ngx will be 安装
--> 完成依赖关系计算
 
依赖关系解决
 
==========================================================================================
 软件包            架构             版本                          仓库               大小
==========================================================================================
正在安装:
 nginx             i386             1.8.0-1.el6.ngx               nginx             360 k
 
事务概要
==========================================================================================
Install       1 Package(s)
 
总下载量：360 k
Installed size: 835 k
确定吗？[y/N]：y
下载软件包：
nginx-1.8.0-1.el6.ngx.i386.rpm                                     | 360 kB     00:14    
运行 rpm_check_debug
执行事务测试
事务测试成功
执行事务
Warning: RPMDB altered outside of yum.
  正在安装   : nginx-1.8.0-1.el6.ngx.i386                                             1/1
----------------------------------------------------------------------
 
Thanks for using nginx!
 
Please find the official documentation for nginx here:
* http://nginx.org/en/docs/
 
Commercial subscriptions for nginx are available on:
* http://nginx.com/products/
 
----------------------------------------------------------------------
  Verifying  : nginx-1.8.0-1.el6.ngx.i386                                             1/1
 
已安装:
  nginx.i386 0:1.8.0-1.el6.ngx                                                           
 
完毕！