centos安装python3.8 pip

# 删除旧的

卸载pyhton3
rpm -qa|grep python3|xargs rpm -ev --allmatches --nodeps       
 
删除所有残余文件
whereis python3 |xargs rm -frv           
 
查看现有安装的python
whereis   python       

#安装python3.8

安装依赖

yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make libffi-devel -y
800  yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make libffi-devel -y
  801  yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make libffi-devel -y
  802  yum install wget -y
  803  yum install libffi-devel -y 
  804  yum install software-properties-common -y

源码安装
  806  mkdir download
  812  tar zxvf Python-3.8.1.tgz 
  814  cd Python-3.8.1
  819  mkdir -p /usr/local/python3
  831  ./configure --prefix=/usr/local/python3
  832  make -j4 && make install -j4

  834  python3 -V
  835  # sudo ln -s /usr/local/python3/bin/python3 /usr/bin/python3
  836  python3 -V
  837  ln -s /usr/local/python3/bin/python3 /usr/bin/python3
  838  python3 -V
# 安装pip
  843  tar -zxvf pip-9.0.1.tar.gz 
  844  cd pip-9.0.1/
  845  python3 setup.py install
  846  #  sudo ln -s /usr/local/python3/bin/pip /usr/bin/pip3
  847  ln -s /usr/local/python3/bin/pip /usr/bin/pip3
  848  pip3 -V
  849  pip3 install requests
  850  pip3 install --upgrade pip3
  851  pip3 install --upgrade pip
  852  pip3 install python3-venv
 

本文地址：https://blog.csdn.net/yuezhilangniao/article/details/107465718