Redhat Enterprise 6.1 如何使用免费的CentOS的yum源 - graybull's Blog

Redhat Enterprise 6.1 如何使用免费的CentOS的yum源

graybull posted @ 2013年2月18日 22:29 in Unix/Linux with tags centos free redhat Source yum , 7839 阅读

 

    Redhat Enterprise Linux 6.1 x86_64 使用官方yum源是需要收费的,本文将讲解如何使用免费的CentOS的yum源来安装/更新软件。分成以下几步:

  • 卸载已有的yum
  • 下载CentOS的yum包
  • 安装CentOS的yum包
  • 更新repo文件
  • 清除旧缓存
  • 使用测试

1.卸载已有的yum

查看已安装的yum包有哪些:

#rpm -aq|grep yum

卸载已安装的yum包:

#rpm -aq|grep yum | xargs rpm -e --nodeps

从这里发现xargs犇死了。

2.下载CentOS的yum包

从163镜像(http://mirrors.163.com/centos/6/os/x86_64/Packages/)下载以下几个包(不同时间下载包的版本或许不同):

 

python-iniparse-0.3.1-2.1.el6.noarch.rpm
yum-3.2.29-30.el6.centos.noarch.rpm
yum-metadata-parser-1.1.2-16.el6.x86_64.rpm
yum-plugin-fastestmirror-1.1.30-14.el6.noarch.rpm
 
下载方法:
可以直接从镜像网站下载;或者使用wget下载:
wget http://mirrors.163.com/centos/6/os/x86_64/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpm
wget http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-3.2.29-30.el6.centos.noarch.rpm
wget http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-metadata-parser-1.1.2-16.el6.x86_64.rpm
wget http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.30-14.el6.noarch.rpm
 

 

3.安装CentOS的yum包

#rpm -ivh *.rpm

4.更新repo文件

进入配置目录:

#cd /etc/yum.repos.d

如果目录中没有rhel-debuginfo.repo文件,则新建一个,修改内容为:

 

[base]
name=CentOS-$releasever - Base
baseurl=http://mirrors.163.com/centos/6/os/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-6

#released updates
[updates]
name=CentOS-$releasever - Updates
baseurl=http://mirrors.163.com/centos/6/updates/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-6

#packages used/produced in the build but not released
#[addons]
#name=CentOS-$releasever - Addons
#baseurl=http://mirrors.163.com/centos/$releasever/addons/$basearch/
#gpgcheck=1
#gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-6
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
baseurl=http://mirrors.163.com/centos/6/extras/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-6
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
baseurl=http://mirrors.163.com/centos/6/centosplus/$basearch/
gpgcheck=1
enabled=0

 

5.清除旧缓存

#yum clean all

6.使用测试

列举yum包:

#yum list

安装g++

g++为何物?g++可以用来编译C++代码啦。linux默认安装gcc,但往往没有安装g++。

首先查找g++:

#yum list gcc-c++

返回的信息中包含有:

gcc-c++.x86_64 

所以,安装g++的命令为:

#yum install gcc-c++.x86_64

安装过程中,如果提示需要安装某些依赖的包,那么根据指示安装即可。

若要验证是否成功安装g++,查看版本吧:

#g++ -v

 

 

 

 

 

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