重新安装全部软件，会全部刷新info目录
sudo apt-get --reinstall install `dpkg --get-selections | grep '[[:space:]]install' | cut -f1`
如何安装python
sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt update
sudo apt install python3.11
sudo apt install python3.10
sudo apt install python3.9
sudo apt install python3.8
sudo apt install python3.7
sudo apt install python3.6
ls -l /usr/bin/python*
python3 --version
sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.10 1
sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 2
sudo update-alternatives --config python3
python3 --version
