Centos Python3安装

安装python3 需要的依赖

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 libffi-devel wget gcc gcc-c++ automake autoconf libtool make

官网下载对应版本

wget https://www.python.org/ftp/python/3.8.12/Python-3.8.12.tgz

解压下载的包

tar -zxf Python-3.8.12.tgz

配置、编译、安装

• cd Python-3.8.12
• ./configure --with-ssl --prefix=/opt/soft/python3.8.12
• make
• make install

设置链接,校验

• cd /usr/bin
• ln -s /opt/soft/python3.8.12/bin/python3.8 python3
• ln -s /opt/soft/python3.8.12/bin/pip3 pip3
• pip3 -V
• python3 -V

设置pip国内源

• mkdir ~/.pip
• cd ~/.pip
• vi pip.conf
  [global]
  timeout = 6000
  index-url = https://mirrors.aliyun.com/pypi/simple/
  trusted-host = mirrors.aliyun.com

更新pip

python3 -m pip install --upgrade pip