下载地址 https://www.python.org/ftp/python/
1、下载python
wget https://www.python.org/ftp/python/3.9.10/Python-3.9.10.tgz
2、解压
tar -zxvf Python-3.9.10.tgz
3、编译
cd Python-3.9.10
./configure --prefix=/Python-3.9.10
4、安装
make
5、查看文件安装目录
which python3
6、设置环境变量
vim ~/.bashrc
alias python='/usr/local/bin/python3'
7、重启配置
source .bashrc