看着这个内核PPA，我注意到，内核映像的amd64，因为4.16.4都是无符号。
Ubuntu 停止发布签名的内核映像有什么原因吗？
我正在尝试从Jonathon F 的 PPA安装最新的 gcc-7 软件包。看起来现在终于成功构建了 amd64 到 2018-02-23。
我在运行时遇到了以下依赖问题sudo apt-get install gcc-7。
Reading package lists... Done
Building dependency tree
Reading state information... Done
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