sudo apt update
sudo apt dist-upgrade
sudo apt autoremove
sudo apt-get install update-manager-core
sudo gedit /etc/update-manager/release-upgrades
确保update-manager行设置为lts
update-manager -c
如果提示: {%r%} Your python install is corrupted. Please fix the '/usr/bin/python' symlink. {%endr%}
可以运行命令解决 {%g%} sudo ln -sf /usr/bin/python2.7 /usr/bin/python {%endg%} 或者重装Python {%g%} sudo apt-get install --reinstall python {%endg%}
参考链接: https://blog.csdn.net/weixin_44003563/article/details/90271622