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Multiplatform (amd64 and arm) Kubernetes cluster setup
The official guide for setting up Kubernetes using kubeadm works well for clusters of one architecture. But, the main problem that crops up is the kube-proxy image defaults to the architecture of the master node (where kubeadm was run in the first place).
This causes issues when arm nodes join the cluster, as they will try to execute the amd64 version of kube-proxy, and will fail.
It turns out that the pod running kube-proxy is configured using a DaemonSet. With a small edit to the configuration, it's possible to create multiple DaemonSets—one for each architecture.
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Sample Python script to employ RTSP/RTP to play a stream from an IP-cam (from stackoverflow)
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Auto WiFi detection and hotspot creation in boot for RPI
Auto WiFi detection or wifi hostpot creation during boot for RPI
Note: These are rough notes and there may be some variance as versions of
raspbian get updated but should be pretty reliable as a guide.
This gist provides some instructions and config in order to have your Raspberry PI
automatically connect to a roamed network, however if it fails to discover an
available network it will set itself up as a wireless access point for you to
connect to.