redhat_yum install

第一步：

http://mirrors.163.com/centos/6/os/x86_64/Packages/

到上面这个网站去下载如下RPM包

python-iniparse-0.3.1-2.1.el6.noarch.rpm

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

yum-metadata-parser-1.1.2-16.el6.x86_64.rpm

yum-plugin-fastestmirror-1.1.30-41.el6.noarch.rpm

yum-3.2.29-81.el6.centos.noarch.rpm

下载完成之后，用rpm命令进行安装，如下：

rpm -ivh --force --nodeps python-iniparse-0.3.1-2.1.el6.noarch.rpm
rpm -ivh --force --nodeps yum-metadata-parser-1.1.2-16.el6.x86_64.rpm
rpm -ivh --force --nodeps yum-plugin-fastestmirror-1.1.30-41.el6.noarch.rpm
rpm -ivh --force --nodeps yum-3.2.29-81.el6.centos.noarch.rpm
rpm -ivh --force --nodeps python-urlgrabber-3.9.1-11.el6.noarch.rpm

cp /usr/bin/python /usr/bin/python2.6.6

cd /etc/yum.repos.d/

wget http://mirrors.163.com/.help/CentOS6-Base-163.repo  #没有网可以直接下载，再去上传

[root@localhost yum.repos.d]# ls
CentOS6-Base-163.repo

 1 # CentOS-Base.repo
 2 #
 3 # The mirror system uses the connecting IP address of the client and the
 4 # update status of each mirror to pick mirrors that are updated to and
 5 # geographically close to the client.  You should use this for CentOS updates
 6 # unless you are manually picking other mirrors.
 7 #
 8 # If the mirrorlist= does not work for you, as a fall back you can try the 
 9 # remarked out baseurl= line instead.
10 #
11 #
12 
13 [base]
14 name=CentOS-$releasever - Base - 163.com
15 baseurl=http://mirrors.163.com/centos/$releasever/os/$basearch/
16 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
17 gpgcheck=1
18 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
19 
20 #released updates 
21 [updates]
22 name=CentOS-$releasever - Updates - 163.com
23 baseurl=http://mirrors.163.com/centos/$releasever/updates/$basearch/
24 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates
25 gpgcheck=1
26 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
27 
28 #additional packages that may be useful
29 [extras]
30 name=CentOS-$releasever - Extras - 163.com
31 baseurl=http://mirrors.163.com/centos/$releasever/extras/$basearch/
32 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras
33 gpgcheck=1
34 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
35 
36 #additional packages that extend functionality of existing packages
37 [centosplus]
38 name=CentOS-$releasever - Plus - 163.com
39 baseurl=http://mirrors.163.com/centos/$releasever/centosplus/$basearch/
40 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus
41 gpgcheck=1
42 enabled=0
43 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
44 
45 #contrib - packages by Centos Users
46 [contrib]
47 name=CentOS-$releasever - Contrib - 163.com
48 baseurl=http://mirrors.163.com/centos/$releasever/contrib/$basearch/
49 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib
50 gpgcheck=1
51 enabled=0
52 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

原来的内容

 1 # CentOS-Base.repo
 2 # The mirror system uses the connecting IP address of the client and the
 3 # update status of each mirror to pick mirrors that are updated to and
 4 # geographically close to the client.  You should use this for CentOS updates
 5 # unless you are manually picking other mirrors.
 6 #
 7 # If the mirrorlist= does not work for you, as a fall back you can try the 
 8 # remarked out baseurl= line instead.
 9 #
10 #
11 
12 [base]
13 name=CentOS-$6 - Base - 163.com
14 baseurl=http://mirrors.163.com/centos/6/os/$basearch/
15 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
16 gpgcheck=1
17 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
18 
19 #released updates 
20 [updates]
21 name=CentOS-$6 - Updates - 163.com
22 baseurl=http://mirrors.163.com/centos/6/updates/$basearch/
23 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates
24 gpgcheck=1
25 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
26 
27 #additional packages that may be useful
28 [extras]
29 name=CentOS-$6 - Extras - 163.com
30 baseurl=http://mirrors.163.com/centos/6/extras/$basearch/
31 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras
32 gpgcheck=1
33 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
34 
35 #additional packages that extend functionality of existing packages
36 [centosplus]
37 name=CentOS-$6 - Plus - 163.com
38 baseurl=http://mirrors.163.com/centos/6/centosplus/$basearch/
39 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus
40 gpgcheck=1
41 enabled=0
42 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
43 
44 #contrib - packages by Centos Users
45 [contrib]
46 name=CentOS-$6 - Contrib - 163.com
47 baseurl=http://mirrors.163.com/centos/6/contrib/$basearch/
48 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib
49 gpgcheck=1
50 enabled=0
51 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

修改后文件的内容