CentOS 7 安装Python3

CentOS 7 安装python

• 1、前置条件

  • 1.1、安装xz(用于解压下载下来的python安装包)

  	yum -y install gcc automake autoconf libtool make    # 安装xz依赖项
  	wget https://tukaani.org/xz/xz-5.2.5.tar.gz 		 # 下载xz软件包
  	tar -xvf xz-5.2.5.tar.gz
  	cd xz-5.2.5
  	mkdir /opt/xz
  	./configure --prefix=/opt/xz
  	make && make install                                 # 编译及安装xz
  

• 2、安装python3

  • 2.1、下载python安装包

  yum -y install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel # 安
  python环境依赖项
  wget https://www.python.org/ftp/python/3.9.4/Python-3.9.4.tar.xz  # 下载python安装包
  

  • 2.2、安装python安装包

  xz -d Python-3.9.4.tar.xz
  tar -xvf Python-3.9.4.tar.gz
  cd Python-3.9.4
  mkdir /opt/python/python3
  ./configure --prefix=/opt/python/python3
  make && make install                                 # 编辑及安装python3
  

  • 2.3、配置python环境

  mv /usr/bin/python /usr/bin/python.bak
  ln -s /opt/python/python3/bin/python /usr/bin/python # 创建python链接文件
  ln -s /opt/python/python3/bin/pip /usr/bin/pip       # 创建pip连接文件
  

  • 2.4、验证是否安装成功

  python --version
  pip --version