Redhat6.7 切换Centos yum源

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RedHat 更换Yum源

1.检查yum包 rpm -qa |grep yum

2.删除自带包

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

3.再检查一下

rpm -qa |grep yum

4.下载更新包

wget  http://mirrors.163.com/centos/6/os/x86_64/Packages/python-urlgrabber-3.9.1-11.el6.noarch.rpm

wget  http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.30-37.el6.noarch.rpm
wget   http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-3.2.29-73.el6.centos.noarch.rpm

wget  http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-updateonboot-1.1.30-37.el6.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-utils-1.1.30-37.el6.noarch.rpm

 

5.执行安装

rpm -ivh yum-*

如果出现

error: Failed dependencies:

        python-urlgrabber >= 3.9.1-10 is needed by yum-3.2.29-73.el6.centos.noarch

不要慌，这个问题很恶心会导致后面安装前功尽弃，使用下面

rpm -Uvh python-urlgrabber-3.9.1-11.el6.noarch.rpm

更新rpm -Uvh python-urlgrabber版本，不更新肯定安装不过去

在执行：

rpm -ivh yum-*

 

warning: yum-3.2.29-73.el6.centos.noarch.rpm: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY

Preparing...                ########################################### [100%]

   1:yum-metadata-parser    ########################################### [ 20%]

   2:yum-plugin-fastestmirro########################################### [ 40%]

   3:yum                    ########################################### [ 60%]

   4:yum-updateonboot       ########################################### [ 80%]

   5:yum-utils              ########################################### [100%]

安装成功了

6.切换源

cd /etc/yum.repos.d/ 

mv redhat.repo redhat.repo.bak

mv rhel-source.repo rhel-source.repo.bak

vi /etc/yum.repos.d/CentOS-Base.repo

粘贴如下信息：

 

#CentOS-Base.repo

#

# The mirror system uses the connecting IP address of the client and the

# update status of each mirror to pick mirrors that are updated to and

# geographically close to the client.  You should use this for CentOS updates

# unless you are manually picking other mirrors.

#

# If the mirrorlist= does not work for you, as a fall back you can try the

# remarked out baseurl= line instead.

#

#

[base]

name=CentOS-6 - Base - 163.com

#mirrorlist=http://mirrorlist.centos.org/?release=6&arch=$basearch&repo=os

baseurl=http://mirrors.163.com/centos/7/os/$basearch/

gpgcheck=1

gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-6

 

#released updates

[updates]

name=CentOS-6 - Updates - 163.com

#mirrorlist=http://mirrorlist.centos.org/?release=6&arch=$basearch&repo=updates

baseurl=http://mirrors.163.com/centos/7/updates/$basearch/

gpgcheck=1

gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-6

 

#additional packages that may be useful

[extras]

name=CentOS-6 - Extras - 163.com

#mirrorlist=http://mirrorlist.centos.org/?release=6&arch=$basearch&repo=extras

baseurl=http://mirrors.163.com/centos/7/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-6 - Plus - 163.com

baseurl=http://mirrors.163.com/centos/7/centosplus/$basearch/

gpgcheck=1

enabled=0

gpgkey= http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-6

 

 

8.清理缓存

yum clean all

yum makecache

 

9.验证

yum install telnet