Shiro21 wrote: ↑
Mon Sep 16, 2019 6:54 am
Ubuntu 18.04.3 LTS(I don’t like mate) requires 2 GHz dual core processor or better, but rpi(4g ram) only has 1.5 GHZ.
If I cluster two rpi(I got one rpi 3 b+ too), will that boots the core processor and meet that Ubuntu’s requirements? Is rpi 3 and 4 compatible in one cluster?
Not a hope in hell, a Raspberry Pi is a Single Board Computer in it own right.
You can not co-join them to make a "Cluster" in the way you envisage.
Also Ubuntu you want to run is for x86 CPU Architecture, the Raspberry Pi is ARM CPU Architecture.
Thinking outside the box is better than burying your head in the sand...