<ul><li>Old smartphones can be repurposed into a computing cluster by installing the postmarketOS Linux distribution.</li><li>The phones in the cluster can be accessed via ssh and used to run Kubernetes for hosting self-hosted services.</li><li>Using old smartphones that support postmarketOS can save money compared to buying a Raspberry Pi for the same purpose.</li><li>Repurposing old smartphones is a practical way to utilize their computing power and resources.</li></ul>

Self-Hosting a Cluster on Old Phones

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