Vishnu Hari Dadhich vishnuhd

kubectl run curl-debug -n monitoring --generator=run-pod/v1 --image=radial/busyboxplus:curl -i --tty --rm

There are two versions of Docker – Docker CE (Community Edition) and Docker EE (Enterprise Edition). If you have a small-scale project, or you’re just learning, you’ll want to use Docker CE.

In this gist, we will cover how to install Docker on Ubuntu 18.04.

Prerequisites

Ubuntu 18.04 64-bit operating system
A user account with sudo privileges
Command line / terminal (CTRL-ALT-T or Applications menu > Accessories > Terminal)
Docker software repositories (optional)

Setting Up ADFS on AWS Windows Server 2016 instance

Create an Windows Server 2016 instance with t3.medium atleast, 30 GB storage and ports - 80, 22, 53, 389, 3389, 443, 3268 open.
Install AD Domain Services, AD Federation Services and DotNet 3.5.
Promote current server as Domain Controller.
Setup IIS for https binding with self-signed certificate.

Nginx Ingress | Docker for Mac

The following Mandatory Command is required for all deployments

kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/static/mandatory.yaml

Docker for Mac Kubernetes is available in Docker for Mac (from version 18.06.0-ce)

Create a service


	Questions are not from any actual exam!!!


	Q: Create a secret that has the following username password data:
	username=missawesome
	password=123kube321
	Create a pod running nginx that has access to those data items in a volume mount path at /tmp/secret-volume
	log into the nginx pod you created and list the items and cat the output of the data items to a file "credentials.txt"

	Lesson 1 SUMMARY


	1. The cursor is moved using either the arrow keys or the hjkl keys.
	h (left) j (down) k (up) l (right)

	2. To start Vim from the shell prompt type: vim FILENAME <ENTER>

	3. To exit Vim type: <ESC> :q! <ENTER> to trash all changes.
	OR type: <ESC> :wq <ENTER> to save the changes.

	apiVersion: v1
	kind: Pod
	metadata:
	name: nginx
	labels:
	env: test
	spec:
	containers:
	- name: nginx
	image: nginx

	---
	apiVersion: apps/v1
	kind: Deployment
	metadata:
	name: my-nginx
	labels:
	app: nginx
	spec:
	selector:
	matchLabels:

	alias k="kubectl"
	alias kc="kubectl create -f"
	alias kaf="kubectl apply -f"
	alias kdf="kubectl delete -f"
	alias kg="kubectl get"
	alias pods="kubectl get pods"
	alias allpods="kubectl get pods --all-namespaces"
	alias rcs="kubectl get rc"
	alias pvs="kubectl get pv"
	alias allpvs="kubectl get pv --all-namespaces"

	#!/bin/bash

	# WTF is eating my RAM
	ps aux \| awk '{print $6/1024 "MB\t\t" $11}' \| sort -rn \| head -10