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Hollyberry

Switching to 64 bit kernel

Introduction

The Hollyberry cluster has been running on Raspian's standard 32 bit kernel, which means we can only use armv7 images. The latest beta release however allows us to use a 64 bit kernel. Although the distribution itself will stay 32 bit for now, switching to 64 bt will allow us to use armv8 images next to armv7. To switch we'll update the firmware on the Raspberry pi's, (re)-enable some configurations and reboot. 

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