DrSnowbird

# Create a deployment
kubectl run hello-minikube --image=gcr.io/google_containers/echoserver:1.4 --port=8080

# Create a service
kubectl expose deployment hello-minikube --type=NodePort

# List the pods
kubectl get pod

# List the service

DrSnowbird

#!/bin/bash -x
  
## Note: this script has dependency on "ack" utility.

if [ $# -lt 2 ]; then
    echo "--------- Synopsis--------"
    echo "Synopsis: Globally replace an old pattern withe a new text string for all directories given"
    echo "Usage: $0 <old_pattern> <new_text> [directory, default: ./]"
    echo "e.g."
    echo "    $0 '=logging\/' '/root/logging_files\/' /home/ec2-user/all/ansible/roles"

DrSnowbird

#
# example1-volume.yaml
# 

- hosts: localhost
  tasks:
    - name: check if myvolume exists
      command: docker volume inspect myvolume
      register: myvolume_exists
      failed_when: false

DrSnowbird

#!/bin/bash -x

# ref: https://docs.docker.com/engine/security/https/

mkdir CA-server-client-keys
cd CA-server-client-keys/

## Create a CA, server and client keys with OpenSSL

## ----------------------------------------------------------------------------

DrSnowbird

#!/bin/bash 

## references:
## 1.) https://www.digitalocean.com/community/tutorials/openssl-essentials-working-with-ssl-certificates-private-keys-and-csrs

function usage() {
    if [ $# -lt 1 ]; then
        echo "----------------------------------------------------------------------"
        echo "---------------------------- USAGE -----------------------------------"
        echo "----------------------------------------------------------------------"

DrSnowbird

## find ports being used
sudo netstat -antup |awk '{print $4;}'|cut -d':' -f2 |sort -u

DrSnowbird

#!/bin/bash

# ------------------------------------ 
# maintainer: [email protected]
# license: Apache License Version 2.0
# ------------------------------------ 

# This feature is not yet available for native Docker Windows containers.
# On Linux and when using Docker for Mac or Docker for Windows or 
# Docker Toolbox, 

DrSnowbird

#!/bin/bash -x

if [ $# -lt 3 ]; then
    echo "ERROR: --- Usage: $0 <config_file> <key> <value> [<delimiter>] [<prefix-pattern>]"
    echo "e.g."
    echo './replaceKeyValue.sh \"elasticsearch.yml\" \"^network.host\" \"172.20.1.92\" \":\" \"# network\" '
    exit 1
fi

CONFIG_FILE=${1}

DrSnowbird

#!/bin/bash 

# ------------------------------------ 
# maintainer: [email protected]
# license: Apache License Version 2.0
# ------------------------------------ 

ERROR_NO_ARGS_PROVIDED=99
ERROR_ERROR_ARGS_PROVIDED=98

DrSnowbird

#!/bin/bash -x

# ref: https://github.com/dcos/dcos-vagrant

if [ ! -d dcos-vagrant ]; then
    git clone https://github.com/dcos/dcos-vagrant
fi
cd dcos-vagrant

if [ ! -s VagrantConfig.yaml ]; then