linux Centos6.5 下python2.6升级到2.7

wget https://www.python.org/ftp/python/2.7.10/Python-2.7.10.tgz  //下载源码包

yum groupinstall -y "Development tools"     //批量安装开发工具

tar -xvf Python-2.7.10.tgz     //解压包
cd Python-2.7.10

./configure     //编译安装
make
make install

make clean     //清除之前编译的可执行文件及配置文件
make distclean     //清除所有生成的文件

mv /usr/bin/python /usr/bin/python2.6.6

ln -s /usr/local/bin/python2.7 /usr/bin/python     //软链接

vim /usr/bin/yum      //由于yum不兼容python2.7
#!/usr/bin/python 改为 #!/usr/bin/python2.6.6

python -V     //查看版本