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.