linux下安装Python-2.7.9
1.下载安装包:
# wget
2.编译安装
# tar -xzvf python-2.7.9.tgz
# cd Python-2.7.9
# ./configure --prefix=/usr/local/python2.7
# make && make install
3.更新版本
# mv /usr/bin/python /usr/bin/python_old
# ln -s /usr/local/python2.7/bin/python /usr/bin/python
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