目录
2.确保系统上已经安装了update-manager-core,如果没有安装,运行以下命令进行安装:
- sudo apt update
- sudo apt upgrade
- sudo apt dist-upgrade
update-manager-core,如果没有安装,运行以下命令进行安装:sudo apt install update-manager-core
sudo nano /etc/update-manager/release-upgrades
确保文件中的内容是
Prompt=lts,保存并关闭文件。
sudo do-release-upgrade
sudo reboot
- sudo apt update
- sudo apt upgrade
- sudo apt dist-upgrade