smijar

lsof -iTCP -sTCP:LISTEN -n -P

# utility function
listening() {
    if [ $# -eq 0 ]; then
        sudo lsof -iTCP -sTCP:LISTEN -n -P
 elif [ $# -eq 1 ]; then

ref

https://rancher.com/docs/k3s/latest/en/installation/kube-dashboard/

install

Deploying the Kubernetes Dashboard

GITHUB_URL=https://github.com/kubernetes/dashboard/releases
VERSION_KUBE_DASHBOARD=$(curl -w '%{url_effective}' -I -L -s -S ${GITHUB_URL}/latest -o /dev/null | sed -e 's|.*/||')
kubectl create -f https://raw.githubusercontent.com/kubernetes/dashboard/${VERSION_KUBE_DASHBOARD}/aio/deploy/recommended.yaml

#ref https://github.com/rancher/k3d/blob/master/docs/examples.md

Examples

Expose services

1. via Ingress

In this example, we will deploy a simple nginx webserver deployment and make it accessible via ingress.

create cluster with port 8080 exposed to host for ingress/lb

k3d create --publish 8080:8080 --name testcls1 --workers 3

ref

https://felixwiedmann.de/k3d-manage-k3s-clusters/

demo-app.yaml

---

	# Possibly obsolete: k3d create --name testcls1 --workers 3
	k3d create --name testcls1 --workers 3 --server-arg "--no-deploy=traefik" --server-arg "--no-deploy=servicelb"

	# UPDATE: in newer versions onwards, this has evolved to (thanks to comments below):
	k3d cluster create --k3s-arg "--no-deploy=traefik@server:*"

	# On OS X

	$ vi ~/.bash_profile

	# Add following for running spark, pyspark, jupyter
	#-----
	# FOR SPARK
	#-----
	#
	# for PYSPARK

	brew install numpy
	brew install scipy
	brew install matplotlib
	---
	VirtualEnv
	$ mkvirtualenv ml
	$ cd .virtualenvs/ml/
	$ ln -s /usr/local/lib/python2.7/site-packages/{numpy,scipy}* lib/python2.7/site-packages/
	$ workon ml
	(ml) $ pip freeze \| grep -i numpy

	# from https://www.digitalocean.com/community/tutorials/how-to-install-nginx-on-centos-7
	sudo yum install epel-release
	sudo yum update

	sudo yum install nginx

	# start nginx
	sudo systemctl start nginx

	# If you are running a firewall, run the following commands to allow HTTP and HTTPS traffic:

	echo `date "+%Y-%m-%d-%H-%M-%S"`
	# outptut - 2017-05-22-14-38-18