CentOS8安裝python2.7

1、安裝python2

dnf install python2

2、配置環境變量

vim /etc/profile
#配置python環境
PYTHON_HOME=/usr/bin/python2
PATH=$PYTHON_HOME/bin:$PATH
export PYTHON_HOME PATH

source /etc/profile
python2 -V
pip2 -V

#添加python2的軟鏈接
ln -s /usr/bin/python2 /usr/bin/python
#添加pip2的軟鏈接
ln -s /usr/bin/pip2 /usr/bin/pip