centos7升级安装python2到python3.8.13版本

获取下载地址

• python版本包下载地址:python下载
• 找到所需python版本下载地址；

下载python3

找到python3.8.13的下载地址，下载解压；

#下载
wget https://www.python.org/ftp/python/3.8.13/Python-3.8.13.tgz
#解压
tar xvf Python-3.8.13.tgz

创建python3文件夹

mkdir /usr/local/python3

编译安装

• 安装编译所需依赖；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 gcc
• 编译cd Python-3.8.13

./configure --prefix=/usr/local/python3

• 编译完成后安装make && make install
• 配置软连接；

ln -s /usr/local/python3/bin/pip3.8 /usr/bin/pip3 ln -s /usr/local/python3/bin/python3.8 /usr/bin/python3

• 验证 输入命令python3