centos7和centos8安装python3.8.12环境

1，创建文件夹

mkdir /usr/local/python3

2，安装依赖

yum install gcc gcc-c++

yum -y install gcc automake autoconf libtool make

yum groupinstall -y 'Development Tools'

yum install -y gcc openssl-devel bzip2-devel libffi-devel

2，进入目录 /usr/local/python3

cd /usr/local/python3

3，下载python3.8.12

wget https://www.python.org/ftp/python/3.8.12/Python-3.8.12.tgz

如果提示wget未找到命令，安装一下wget   

yum -y install wget

4，解压

tar -zxvf Python-3.8.12.tgz

5，进入 Python-3.8.12 目录

cd Python-3.8.12

6，编辑安装

./configure --prefix=/usr/local/python3/Python-3.8.12 --enable-optimizations --with-ssl

make && make install

7，将安装的python3.8.12添加到环境变量中

vi /etc/profile

shift+G跳转到最后一行 添加如下命令：

export PYTHON_HOME=/usr/local/python3/Python-3.8.12
export PATH=${PYTHON_HOME}/bin:$PATH

刷新变量

source /etc/profile

验证python3 环境

python3

如果出现python 版本 3.8.12 则证明python环境安装成功。