apt install -y iproute2 # ip
apt install dnsutils # nslookup
apt install net-tools # netstat
apt-get install iputils-ping # ping
tmux
ctr-b % # add vertical pane
ctr-b <- -> # switch pane ctr-b arrow
ctr-b " # add horizontal pane
ctr-b c # add window
ctr-b 1 # switch to 1
ctr-b , # rename window
kubectl delete pods <pod> -n redis --grace-period=0 --force
kubectl patch pod <pod> -p '{"metadata":{"finalizers":null}}'
Ingress Example https://github.com/nginxinc/kubernetes-ingress/tree/master/examples/complete-example https://www.digitalocean.com/community/tutorials/how-to-set-up-an-nginx-ingress-on-digitalocean-kubernetes-using-helm
Cluster upgrade https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade/
Kubernetes Intro https://www.digitalocean.com/community/tutorials/an-introduction-to-kubernetes
Kubernetes Tutorial https://www.digitalocean.com/community/meetup_kits/getting-started-with-containers-and-kubernetes-a-digitalocean-workshop-kit