Deirdre Storck DStorck

systemctl commands

systemctl enable # tell systemd to start service at boot

systemctl edit kubelet.service # or vi /etc/systemd/system/kubelet.service

systemctl daemon-reload

systemctl restart kubelet.service

kubectl get nodes > all_nodes.txt

cat all_nodes.txt | while read line ; do if [[ $line == *"sobusy"* ]]; then echo $line; fi; done > filtered_nodes.txt

kubectl logs <pod> <search_criteria> > some_file.txt

gcloud auth list - see a list of credentialed accounts

gcloud components list - see available components and whether or not they are installed

gcloud components install COMPONENT_ID . - install it

gcloud config list - show active configuration

	kind: NetworkPolicy
	apiVersion: extensions/v1beta1
	metadata:
	name: access-nginx
	namespace: secret
	spec:
	podSelector:
	matchLabels:
	run: nginx
	ingress:

	# make secret with kubectl create secret generic my-secret --from-literal=key1=supersecret

	# to use secret in a env var
	apiVersion: v1
	kind: Pod
	metadata:
	name: pod-secrets-to-env
	namespace: default
	spec:
	containers:

	#oh the variables we we will use !!
	days_in_a_year = 365.245

	minutes_in_a_year = 60 * 24 * days_in_a_year
	#this time business was all new to me but i tried to set it for my birthday in NYC
	my_age = Time.new(1980,9,7, 19, 44, 00, -0500)
	now = Time.now
	my_age_in_seconds = now - my_age

	seconds_in_a_day = 60 * 60 * 24