配置yum源

本次配置机器是Redhat7.2，最小安装，安装后先ping通网络，在配置yum源来安装界面。

1.卸载

通过rpm -qa|grep yum

查找本机器是否已经安装yum（安装Redhat7.2是没有yum源的），如果有卸载。

rpm -ev (--nodeps)

2.下载

2.1 如果可以通过wget下载的，直接下载安装

2.2 不行的话，直接在本地浏览器下载，上传到虚拟机中。下载地址如下：

wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-3.4.3-118.el7.centos.noarch.rpm

wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-3.4.3-132.el7.centos.0.1.noarch.rpm

wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm

wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-utils-1.1.31-34.el7.noarch.rpm 

wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-updateonboot-1.1.31-34.el7.noarch.rpm

wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-34.el7.noarch.rpm

wget http://mirrors.163.com/centos/7.3.1611/os/x86_64/Packages/python-iniparse-0.4-9.el7.noarch.rpm

3.安装

rpm -ivh yum-*

4.配置文件

创建文件/etc/yum.repos.d/rehat.repo并写入

[base]

name=CentOS-$releasever - Base

baseurl=http://mirrors.163.com/centos/7.3.1611/os/$basearch/

gpgcheck=1

gpgkey=http://mirrors.163.com/centos/7.3.1611/os/x86_64/RPM-GPG-KEY-CentOS-7

 

 

#released updates

[updates]

name=CentOS-$releasever - Updates

baseurl=http://mirrors.163.com/centos/7.3.1611/updates/$basearch/

gpgcheck=1

gpgkey=http://mirrors.163.com/centos/7.3.1611/os/x86_64/RPM-GPG-KEY-CentOS-7

 

 

[extras]

name=CentOS-$releasever - Extras

baseurl=http://mirrors.163.com/centos/7.3.1611/extras//$basearch/

gpgcheck=1

gpgkey=http://mirrors.163.com/centos/7.3.1611/os/x86_64/RPM-GPG-KEY-CentOS-7

 

[centosplus]

name=CentOS-$releasever - Plus

baseurl=http://mirrors.163.com/centos/7.3.1611/centosplus//$basearch/

gpgcheck=1

enabled=0

5.测试

yum clean all

yum update

yum -y install lftp