docker-k8s-cluster-change

$ docker run --privileged -it -v /var/run/docker.sock:/var/run/docker.sock jongallant/ubuntu-docker-client 
$ docker run --net=host --ipc=host --uts=host --pid=host -it --security-opt=seccomp=unconfined --privileged --rm -v /:/host alpine /bin/sh
$ chroot /host
$ vi /etc/kubernetes/manifests/kube-controller-manager.yaml

$ docker run --privileged -it --rm -v /var/run/docker.sock:/var/run/docker.sock -v /usr/bin/docker:/usr/bin/docker alpine sh
$ docker run --net=host --ipc=host --uts=host --pid=host -it --security-opt=seccomp=unconfined --privileged --rm -v /:/host alpine /bin/sh
$ chroot /host
$ vi /etc/kubernetes/manifests/kube-controller-manager.yaml


URL: https://forums.docker.com/t/how-can-i-ssh-into-the-betas-mobylinuxvm/10991/13
URL: https://medium.com/@dstrimble/kubernetes-horizontal-pod-autoscaling-for-local-development-d211e52c309c

FROM alpine
MAINTAINER You <you@example.com>
RUN apk update && \
    apk add util-linux && \
    rm -rf /var/cache/apk/*
ENTRYPOINT ["nsenter", "--target", "1", "--mount", "--uts", "--ipc", "--net", "--pid"]

$ docker build . -t hostenter



kops
    horizontalPodAutoscalerSyncPeriod: 5s
    horizontalPodAutoscalerDownscaleDelay: 15s
    horizontalPodAutoscalerDownscaleStabilization: 15s
    horizontalPodAutoscalerUpscaleDelay: 15s
    horizontalPodAutoscalerTolerance: 0.1
    
linux
    - --horizontal-pod-autoscaler-sync-period=0m5s
    - --horizontal-pod-autoscaler-downscale-delay=0m15s    
    - --horizontal-pod-autoscaler-downscale-stabilization=0m15s        
    - --horizontal-pod-autoscaler-upscale-delay=0m15s
    - --horizontal-pod-autoscaler-tolerance=0.1