我正在尝试升级到 14.04.1 LTS。它显示：
You have to download a total of 137 k. This download will take about
4 seconds with your connection.
Installing the upgrade can take several hours. Once the download has
finished, the process cannot be canceled.
Continue [yN] Details [d]d
Continue [yN] Details [d]y
Fetched 0 B in 0s (0 B/s)
Could not download the upgrades
The upgrade has aborted. Please check your Internet connection or
installation media and try again. All files downloaded so far have
been kept.
Failed to fetch
http://archive.ubuntu.com/ubuntu/pool/main/g/gcc-defaults/libgcj-common_4.8.2-1ubuntu6_all.deb
403 Forbidden
Restoring original system state
Aborting...
答案1
首先，我认为最好禁用所有第三方存储库（如果有）。接下来，您必须使用以下命令更新系统：
sudo apt-get update && sudo apt-get upgrade && sudo apt-get dist-upgrade
然后，您必须通过终端运行更新管理器来升级到 14.04。打开终端并输入以下内容：
更新管理器-d
您已准备好将发行版升级到 14.04...!!!