源码包安装python
1. 下载python包下载Python-3.6.1.tar.xz包需要翻墙
# wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tar.xz
2.解压 Python-3.6.1.tar.xz
# tar xvf Python-3.6.1.tar.xz
3. 编译
# ./configure --prefix=/usr/local/python3 --enable-shared
# make && make install
4. centos7默认安装python,注掉
# mv /usr/bin/python /usr/bin/python.bak
5. 创建链接
# ln -s /usr/local/python/python3/bin/python3 /usr/bin/python
