介绍：本人Centos8 mini 版本，所以需要手动安装

查询并删除python

查询

[root@servce ~]# whereis python
python:

删除

[root@servce ~]# rpm -qa|grep python|xargs rpm -ev --allmatches --nodeps
rpm: no packages given for erase
[root@servce ~]# whereis python|xargs rm -frv
[root@servce ~]#

安装编译 以及 相关的工具

[root@servce ~]# yum -y groupinstall “Development tools”
[root@servce ~]# 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
[root@servce ~]# yum install libffi-devel -y

下载安装Python

[root@servce work]# wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tar.xz
[root@servce work]# tar -xvJf Python-3.7.0.tar.xz
[root@servce work]# mkdir /usr/local/python3
[root@servce work]# mv Python-3.7.0 /usr/local/python3/
[root@servce Python-3.7.0]# ./configure #–prefix=/usr/local/python3 编译目录
[root@servce Python-3.7.0]# make && make install