juliangroen

import re
import sys
from pathlib import Path

def parse_markdown_for_toc(markdown_content):
    heading_pattern = re.compile(r'^(#{1,})\s+(.+?)(\s*)$', re.MULTILINE)

    toc = []

    for match in heading_pattern.finditer(markdown_content):

juliangroen

Workshop 4 Handout

1. Create a storage class named localdisk-${yourfirstnameandlastname} for local storage.

Check this if you don't know how to:

• https://kubernetes.io/docs/concepts/storage/storage-classes/#local
• https://github.com/WGU-edu/CEGuild_EKS_Workshops/blob/main/workshop4/sidecar-containers-and-persistent-volumes.pdf

2. Create a persistent volume named pv-${yourfirstnameandlastname} that uses the storage class that you previously created.

juliangroen

Infrastructure

ECS Cluster

{
  "ClusterName": "snail-cluster",
  "ClusterArn": "arn:aws:ecs:us-west-2:123456789012:cluster/snail-cluster",
  "Status": "ACTIVE",
  "RegisteredContainerInstancesCount": 3,
  "RunningTasksCount": 2,

juliangroen

Installing Arch Linux via the built in archinstall script

Note: This assumes that you have written the archlinux ISO to USB/Optical media and have booted into the live environment.

You should be at a CLI terminal that is showing the following prompt:

root@archiso ~ #

juliangroen

import sys

def read_binary_file_to_hex(filename):
    with open(filename, 'rb') as binary_file:
        data = binary_file.read()
        hex_data = data.hex()
        block_size = 32
        offset = 0
        for i in range(0, len(hex_data), block_size):
            block = hex_data[i:i + block_size]

juliangroen

apiVersion: apps/v1
kind: Deployment
metadata:
  creationTimestamp: null
  labels:
    app: nginx
  name: nginx
  namespace: ballista
spec:
  replicas: 1

juliangroen

Certified Kubernetes Administrator

kubectl notes

jsonpath filtering/searching/etc

• syntax is similar to jq selectors
• jsonpath root is represented by a $ but it not required.
• when the output of a kubectl command is a list of items .items[*] must be used first.

juliangroen

Replacing Docker Desktop with Lima-vm on macOS

Uninstall Docker Desktop

Navigate to Applications in Finder and drag "Docker" to the trash can

Remove Docker config file

mv ~/.docker/config.json ~/.docker/old-config.json

juliangroen

export NODE\_OPTIONS=--experimental-worker

juliangroen

#!/bin/sh
shuf /usr/share/dict/words | grep -E "^[a-z]{4,8}$" | head -4