yum -y groupinstall "Development tools" yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel yum install libffi-devel -y
cd #回到用户目录 wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tar.xz tar -xvJf Python-3.7.0.tar.xz
mkdir /usr/local/python3 #创建编译安装目录 cd Python-3.7.0 ./configure --prefix=/usr/local/python3 make && make install
ln -s /usr/local/python3/bin/python3 /usr/local/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/local/bin/pip3
python3 -V pip3 -V 6.更改yum配置 vi /usr/bin/yum 把 #! /usr/bin/python 修改为 #! /usr/bin/python2 vi /usr/libexec/urlgrabber-ext-down 把 #! /usr/bin/python 修改为 #! /usr/bin/python2
原文：https://www.cnblogs.com/KHZ521/p/13517000.html