1.下载python3.8:wget https://www.python.org/ftp/python/3.8.0/Python-3.8.0.tgz
2.解压:tar -xzf Python-3.8.0.tgz
3.安装:cd Python-3.8.0
./configure --prefix=/usr/local/python38
make
make install
4.备份:mv /usr/bin/python /usr/bin/python2.7.5
5.修改软连接:
ln -fs /usr/local/python3.8/bin/python3.8 /usr/bin/python
ln -fs /usr/local/python3.8/bin/pip3.8 /usr/bin/pip
6.验证:python -V
pip -V
7.修改yum文件:
vi /usr/bin/yum
vi /usr/libexec/urlgrabber-ext-down
第一行改为:#!/usr/bin/python2.7
8.升级:
python -m pip install --upgrade pip
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