centos重新安装，卸载python yum

这个人写的不错

公司测试机环境不知道给我卸了什么包，导致yum运行报错状况：

系统版本：Red Hat Enterprise Linux Server release 6.2 (Santiago)

内核版本：2.6.32-220.el6.x86_64

报错情况：

There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:

No module named sqlite

Please install a package which provides this module,or
verify that the module is installed correctly.

It's possible that the above module doesn't match the
current version of Python,which is:

一、升级或卸载Python导致：

 
        1、查看已安装python的版本，可能是当前系统存在多个python导致 
       
 
        [root@ 
        test 
        ~] 
        # whereis python 
       
 
        python: 
        /usr/bin/python2 
        .6 
        /usr/bin/python 
        .6-config 
        /usr/lib/python2 
        /usr/lib64/python2 
        /usr/include/python2 
        /usr/share/man/man1/python 
        .1.gz 
       
 
        # vi /usr/bin/yum 
       
 
        将 
        #!/usr/bin/python 修改为 #!/usr/bin/python2.6 
       
 
        如果是源代码安装的，默认路径是 
        /usr/local/bin/python2 
        .6,做个软链接即可 
       
 
        rm 
        -rf 
        /usr/bin/python 
       
 
        ln 
        -s 
        /usr/bin/python 
       

二、完全重装python和yum

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     1、删除现有Python

# rpm -qa|grep python|xargs rpm -ev --allmatches --nodeps ##强制删除已安装程序及其关联

# whereis python |xargs rm -frv ##删除所有残余文件 ##xargs，允许你对输出执行其他某些命令

# whereis python ##验证删除，返回无结果

2、删除现有的yum

# rpm -qa|grep yum|xargs rpm -ev --allmatches --nodeps

# whereis yum |xargs rm -frv

3、从http: //mirrors .ustc.edu.cn /centos/6 .4 /os/x86_64/Packages/ 下载相应的包

python-2.6.6-36.el6.x86_64.rpm

python-devel-2.6.6-36.el6.x86_64.rpm

python-libs-2.6.6-36.el6.x86_64.rpm

python-pycurl-7.19.0-8.el6.x86_64.rpm

python-setuptools-0.6.10-3.el6.noarch.rpm

python-urlgrabber-3.9.1-8.el6.noarch.rpm

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

rpm-python-4.8.0-32.el6.x86_64.rpm

yum-3.2.29-40.el6.centos.noarch.rpm

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

yum-utils-1.1.30-14.el6.noarch.rpm

yum-plugin-fastestmirror-1.1.30-14.el6.noarch.rpm

yum-plugin-protectbase-1.1.30-14.el6.noarch.rpm

yum-plugin-aliases-1.1.30-14.el6.noarch.rpm

yum-plugin-downloadonly-1.1.30-14.el6.noarch.rpm

由于源中版本会更新，具体请查看URL中的版本再下载下来！

# rpm -Uvh --replacepkgs python*.rpm

# rpm -Uvh --replacepkgs rpm-python*.rpm yum*.rpm

可能之间还需要zlib和zlib-devel包，根据情况下载并安装！

centos重新安装，卸载python yum

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