My [k3s cluster](/s/tutorials/My_First_Kubernetes_k3s_cluster_on_3_Orange_Pi_Zero_3s_including_k8s_dashboard_hello-node_and_failover.html) runs on Orange Pi Zero 3 small board computers, with a 1.5 GHz Allwinner H618 Quad-Core Cortex-A53 ARM64 CPU. Nowadays most popular software has support for `aarch64` due to the popularity of boards like the Raspberry Pi and the Apple M1 series processors, but smaller projects or niche software often can only run on x86/amd64. If you write your own yaml fi...
