#安装python2.7之前，准备工作：
yum install python-devel gcc patch readline* -y
#解压并安装：
tar xf Python-2.7.10.tar.xz cd Python-2.7.10 sed -i ‘s/#readline/readline/g‘ Modules/Setup.dist ./configure --prefix=/usr/local/python make && make install
#更改系统python调用
mv /usr/bin/python /usr/bin/python_old ln -s /usr/local/python/bin/python /usr/bin/python
#更改yum程序，调用老的的python
sed -i ‘s/python/python_old/g‘ /usr/bin/yum
#shell python tab自动补全
cat > ~/.pythonconf << EOF
import readline, rlcompleter
readline.parse_and_bind("tab: complete")
EOF#添加环境变量
echo "export PYTHONSTARTUP=~/.pythonconf" >> ~/.bashrc source ~/.bashrc
CentOs6.5 更新python2.7,以及tab自动补全
原文：http://szh11.blog.51cto.com/825676/1726797