Python升级版本及版本升级后Yum无法使用的解决方法
#升级版本1
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yum -y install gcc
cd /opt
wget http://python.org/ftp/python/2.7.6/Python-2.7.6.tgz
tar xf Python-2.7.6.tgz
./configure --prefix=/usr/local/python2.7
cd Python-2.7.6
./configure --prefix=/usr/local/python2.7
make && make install
mv /usr/bin/python /usr/bin/python.bak
ln -s /usr/local/python2.7/bin/python2.7 /usr/bin/python
#解决Python升级yum无法使用的办法
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# yum repolist
There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:
No module named yum
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:
2.7.6 (default, Jul7 2016, 15:02:52)
If you cannot solve this problem yourself, please go to
the yum faq at:
http://yum.baseurl.org/wiki/Faq
#查看Python版本
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# whereis python
python: /usr/bin/python2.6-config /usr/bin/python.bak /usr/bin/python /usr/bin/python2.6 /usr/lib/python2.6 /usr/lib64/python2.6 /usr/include/python2.6 /usr/local/python2.7 /usr/share/man/man1/python.1.gz
#配置yum使用回低版本的python
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# head -1 /usr/bin/yum
#!/usr/bin/python2.6
#yum正常了
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# yum repolist
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
repo id repo name status
base CentOS-6 - Base - 163.com 6,696
extras CentOS-6 - Extras - 163.com 62
updates CentOS-6 - Updates - 163.com 139
repolist: 6,897
因为Yum是基于Python写的，升级了Python版本，Yum就调用了高版本的Python，所以报错
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