Old smartphones can be repurposed as computing clusters, utilizing their computing power to run self-hosted services. To achieve this, a phone with an unlockable bootloader is required to install postmarketOS, a Linux distribution that enables SSH access and the use of Kubernetes. This practice can be more cost-effective and provide robust alternatives compared to using devices like Raspberry Pi. The guide explores detailed steps for setting up such clusters, making use of old or partially damaged phones.

2m read timeFrom hackaday.com
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