Kelsey Hightower kelseyhightower

Washington
@kelseyhightower.com

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kelseyhightower / gist:b4d5569172cb9b3cb753

Created July 14, 2015 23:29

	# docker login kuar.io
	Username: kelseyhightower
	Password:
	Email:
	Error response from daemon: Login: 404 page not found
	(Code: 404; Headers: map[Server:[nginx/1.4.6 (Ubuntu)] Date:[Tue, 14 Jul 2015 23:28:32 GMT] Content-Type:[text/plain; charset=utf-8] Content-Length:[19] Connection:[keep-alive] Docker-Distribution-Api-Version:[registry/2.0]])

kelseyhightower / gist:ebf8aae321fda80cc7c3

Created July 1, 2015 18:06

Single Node Kubernetes Cluster

sudo docker run -d --net=host --privileged --name=kubestack \
-v /sys:/sys:ro \
-v /:/rootfs:ro \
-v /var/run/docker.sock:/var/run/docker.sock \
-v /var/run:/var/run:rw \
-v /var/lib/kubelet/:/var/lib/kubelet:rw \
-v /var/lib/docker/:/var/lib/docker:ro \

kelseyhightower / gist:57fade47659505cbdb68

Created July 1, 2015 15:09

	{
	"apiVersion": "v1",
	"kind": "Pod",
	"metadata": {"name":"controller"},
	"spec":{
	"hostNetwork": true,
	"containers": [{
	"name": "controller-manager",
	"image": "kelseyhightower/kubernetes:0.20.2",
	"command": [

kelseyhightower / gist:b2f19e088c68f47cf765

Created July 1, 2015 15:07

	FROM google/debian:wheezy

	RUN apt-get update
	RUN apt-get -yy -q install iptables ca-certificates
	COPY kubelet /kubelet
	COPY kube-apiserver /kube-apiserver
	COPY kube-controller-manager /kube-controller-manager
	COPY kube-proxy /kube-proxy
	COPY kube-scheduler /kube-scheduler
	COPY nsenter /nsenter

kelseyhightower / gist:38aec28d1f9992ce8fbf

Created July 1, 2015 15:07

	core@node0 ~/hyperkube $ ./kubectl get pods
	NAME READY REASON RESTARTS AGE
	controller-127.0.0.1 3/3 Running 0 1m
	core@node0 ~/hyperkube $ ./kubectl describe pods controller-127.0.0.1
	Name: controller-127.0.0.1
	Image(s): kelseyhightower/kubernetes:0.20.2,kelseyhightower/kubernetes:0.20.2,kelseyhightower/kubernetes:0.20.2
	Node: 127.0.0.1/127.0.0.1
	Labels: <none>
	Status: Running
	Reason:

kelseyhightower / gist:3a279a45e28a0c6ff1d0

Created June 17, 2015 01:05

	core@terminus ~ $ kubectl exec redis-17pna ls /foobar
	foobar
	core@terminus ~ $ kubectl exec redis-17pna cat /foobar/foobar
	this works
	core@terminus ~ $ sudo vim /var/lib/redis/data/foobar
	core@terminus ~ $ kubectl exec redis-17pna cat /foobar/foobar
	this works and so does this

kelseyhightower / gist:a5fde8bd36c724a33530

Created June 17, 2015 00:22

Kubernetes on rkt

Kubernetes on Rocket

API Service

/etc/systemd/system/kube-apiserver.service

[Unit]

kelseyhightower / gist:36b0044a0279cefc6f0f

Created June 17, 2015 00:21

Kubernetes on Rocket

	# Kubernetes on Rocket

	### API Service

	```
	/etc/systemd/system/kube-apiserver.service
	```

	```
	[Unit]

kelseyhightower / gist:3c471efa4064826270e9

Created June 16, 2015 23:52

	$ actool cat-manifest --pretty-print kubelet-0.19.0.aci
	{
	"acKind": "ImageManifest",
	"acVersion": "0.5.1",
	"name": "kubelet",
	"labels": [
	{
	"name": "version",
	"value": "0.19.0"
	},

kelseyhightower / gist:c98d57d93718561171cc

Created June 16, 2015 21:07

	$ docker logs -f f2a0d28c0b93d461fcc6268cbdade93e0c29aa16aa24fd653e19a4af9205b46d
	W0616 21:06:48.160961 1 server.go:86] Failed to start in resource-only container "/kube-proxy": mountpoint for cgroup not found
	I0616 21:06:48.163089 1 proxier.go:121] Setting proxy IP to 169.254.17.223 and initializing iptables
	I0616 21:06:48.195055 1 proxier.go:306] Adding new service "default/kubernetes:" at 10.200.20.1:443/TCP
	I0616 21:06:48.195259 1 proxier.go:247] Proxying for service "default/kubernetes:" on TCP port 34115
	I0616 21:06:48.197233 1 roundrobin.go:262] LoadBalancerRR: Setting endpoints for default/nginx:default to [10.200.10.2:80]
	I0616 21:06:48.209711 1 proxier.go:306] Adding new service "default/nginx:default" at 10.200.20.81:80/TCP
	I0616 21:06:48.209902 1 proxier.go:247] Proxying for service "default/nginx:default" on TCP port 38898

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