Centos安装python3环境

1. 先安装所需要的依赖

   sudo yum -y groupinstall "Development tools"
   sudo 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
   sudo yum install -y libffi-devel zlib1g-dev
   sudo yum install zlib* -y
   sudo yum gcc
   

2. 下载python的安装包

   wget https://www.python.org/ftp/python/3.9.8/Python-3.9.8.tar.xz
   

   不想下3.9.8的版本的话可以去python下载地址这里面找对应版本的安装包

3. 解压

   tar -xvJf  Python-3.9.8.tar.xz
   

4. 安装

   cd Python-3.9.8
   sudo ./configure --prefix=/usr/local/python3
   sudo make
   sudo make install
   ln -s /usr/local/python3/bin/python3 /usr/local/bin/python3
   ln -s /usr/local/python3/bin/pip3 /usr/local/bin/pip3
   

5. 测试是否安装成功

   python3 -V
   pip3 -V