Linux下面安装Python常见错误解决方法

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1、升级Python导致yum无法使用，报错No module named yum Please install a package which provides this module, or。。。。

解决方式

# vi /usr/bin/yum
#!/usr/bin/python2.6 改成老版本的python

2、安装setuptools报错Compression requires the (missing) zlib module。。。。。。

这种错误是由于安装Python的时候没有进行依赖包的检查，重新安装

安装zlib

$wget http://zlib.net/zlib-1.2.8.tar.gz
$tar -xvzf zlib-1.2.8.tar.gz
$cd zlib-1.2.8.tar.gz
$./configure
$make
$sudo make install

然后再次安装Python

cd Python-2.7.12
./configure --prefix=/usr/local/python2.7.12
make && make install

再次安装setuptools，不再报错，如下所示

copying setuptools.egg-info/entry_points.txt -> build/bdist.linux-x86_64/egg/EGG-INFO
copying setuptools.egg-info/requires.txt -> build/bdist.linux-x86_64/egg/EGG-INFO
copying setuptools.egg-info/top_level.txt -> build/bdist.linux-x86_64/egg/EGG-INFO
creating 'dist/setuptools-1.4.2-py2.7.egg' and adding 'build/bdist.linux-x86_64/egg' to it
removing 'build/bdist.linux-x86_64/egg' (and everything under it)
Processing setuptools-1.4.2-py2.7.egg
Copying setuptools-1.4.2-py2.7.egg to /usr/local/python2.7.12/lib/python2.7/site-packages
Adding setuptools 1.4.2 to easy-install.pth file
Installing easy_install script to /usr/local/python2.7.12/bin
Installing easy_install-2.7 script to /usr/local/python2.7.12/bin

Installed /usr/local/python2.7.12/lib/python2.7/site-packages/setuptools-1.4.2-py2.7.egg
Processing dependencies for setuptools==1.4.2
Finished processing dependencies for setuptools==1.4.2
[root@bogon setuptools-1.4.2]#

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