Centos7升级Python2到Python3

Posted 2022-05-03 入门小站

安装依赖包

> yum install -y libffi-devel

安装python 3.7.3

# 下载
> wget https://www.python.org/ftp/python/3.7.3/Python-3.7.3.tgz
# 解压
> tar -zxf Python-3.7.3.tgz
# 安装依赖包
> yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc  libffi-devel
# 进入python目录
> cd Python-3.7.3
# 编译
> ./configure --prefix=/usr/local/python3.7
#安装
> make && make install

备份Python2版本

>mv /usr/bin/python /usr/bin/python.bak

> ln -s /usr/local/python3.7/bin/python3 /usr/bin/python

查看Python版本

> python -V

更改yum配置

• 编辑这两个文件，将文件头的#!/usr/bin/python改为#!/usr/bin/python2

> vim /usr/bin/yum
> vim /usr/libexec/urlgrabber-ext-down

原文链接:https://rumenz.com/rumenbiji/centos7-python2-to-python3.html
微信公众号:入门小站

• 回复【1001】获取 linux常用命令速查手册
• 回复【10010】获取 阿里云ECS运维Linux系统诊断
• 回复【10012】获取 Linux学习笔记【强悍总结值得一看】
• 回复【10013】获取 shell简明教程