在保留系统Python2.6的情况下安装2.7，并为2.7的python安装pip。
1. 下载Python-2.7.4.tgz
wget http://python.org/ftp/python/2.7.4/Python-2.7.4.tgz
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2. 解压安装
tar -xvf Python-2.7.4.tgz cd Python-2.7.4 ./configure --prefix=/usr/local/python2.7 make make install |
3. 创建软链接来用python27调用python2.7
ln -s /usr/local/python2.7/bin/python2.7 /usr/bin/python27
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4. 下载pip
地址 https://bootstrap.pypa.io/get-pip.py
5. 执行安装命令
python27 get-pip.py
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6. 创建软连接
ln -s /usr/local/python2.7/bin/pip /usr/bin/pip27
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