我有一台 HP EliteBook 2540p。我想将 Ubuntu 16.04 升级到更新版本。我发现我需要升级到18.04才能升级到20.04。
我通过使用以下命令更新系统并升级软件和软件包来尝试推荐的过程：
sudo apt update && sudo apt upgrade
Hit:1 http://archive.canonical.com/ubuntu xenial InRelease
Hit:2 http://ppa.launchpad.net/canonical-chromium-builds/stage/ubuntu xenial InRelease
Hit:3 http://repo.mysql.com/apt/ubuntu xenial InRelease
Hit:4 http://packages.microsoft.com/repos/code stable InRelease
Ign:5 http://repo.vivaldi.com/stable/deb stable InRelease
Hit:6 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:7 http://ma.archive.ubuntu.com/ubuntu xenial InRelease
Get:8 http://security.ubuntu.com/ubuntu xenial-security InRelease [109 kB]
Hit:9 http://ppa.launchpad.net/clipgrab-team/ppa/ubuntu xenial InRelease
Hit:10 http://repo.vivaldi.com/stable/deb stable Release
Get:11 http://ma.archive.ubuntu.com/ubuntu xenial-updates InRelease [109 kB]
Get:12 https://download.docker.com/linux/ubuntu xenial InRelease [66.2 kB]
Hit:13 http://ppa.launchpad.net/nathan-renniewaldock/flux/ubuntu xenial InRelease
Hit:14 https://deb.opera.com/opera-stable stable InRelease
Hit:15 https://brave-browser-apt-release.s3.brave.com xenial …