Linux安装Python3，解决升级Python3之后yum不能使用的问题

wget https://www.python.org/ftp/python/3.10.4/Python-3.10.4.tgz

tar -xvf Python-3.10.4.tgz

./configure --prefix=/usr/local/python3.10.4make && make install

cd /usr/local/python3.10.4cd binrm -rf /usr/bin/pythonln -s /usr/local/python3.10.4/bin/python3.10 /usr/bin/python
[global]index-url = https://pypi.tuna.tsinghua.edu.cn/simpletarget = D:\\python3\pippip config set global.target   D:\\python3\pip

vim /usr/libexec/urlgrabber-ext-down# 将首行的程序修改为python2vim /usr/bin/yum # 将首行的程序修改为python2