我目前正在运行 21.10。因此我运行以下命令：
$ sudo apt update
Hit:1 http://us.archive.ubuntu.com/ubuntu impish InRelease
Get:2 http://dl.google.com/linux/chrome/deb stable InRelease [1,811 B]
Hit:3 http://us.archive.ubuntu.com/ubuntu impish-updates InRelease
Hit:4 http://us.archive.ubuntu.com/ubuntu impish-backports InRelease
Hit:5 http://archive.canonical.com/ubuntu impish InRelease
Hit:6 https://linux.teamviewer.com/deb stable InRelease
Hit:7 http://security.ubuntu.com/ubuntu impish-security InRelease
Get:8 http://dl.google.com/linux/chrome/deb stable/main amd64 Packages [1,098 B]
Fetched 2,909 B in 0s (6,063 B/s)
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
1 package can be upgraded. Run 'apt list --upgradable' to see it.
$ sudo apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
teamviewer:i386
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
$ sudo apt list --upgradable
Listing... Done
teamviewer/stable 15.31.5 i386 [upgradable from: 12.0.258841]
我无法从 Teamviewer 12 版升级，因为我的许可证不支持它。当我运行软件更新程序时，它给了我升级到 22.04 LTS 的选项。但是当我点击“升级”按钮时，软件更新程序关闭了，没有任何原因提示。我猜这与 Teamviewer 版本过旧有关，但我不知道接下来该怎么办。有什么想法？TIA。