我无法从 Ubuntu 20.04 LTS 更新到 Ubuntu 22.04 LTS。
获取 lsb 版本的以下信息并执行升级命令 -
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Codename: focal
do-release-upgrade
Checking for a new Ubuntu release
Please install all available updates for your release before upgrade
我该怎么办 ?