okram999

##aws cli command to create an EC2
aws ec2 run-instances --image-id ami-d440a6e7 --security-group-ids sg-1a534363 --count 1 --instance-type t2.micro --key-name aws-hplap --query 'Instances[0].InstanceId'

##knife bootstrap
knife bootstrap ec2-54-202-209-195.us-west-2.compute.amazonaws.com -r "role[jenkinsCI_1]" -x centos -E utilities_dev_1 -N jen --sudo

okram999

The default conf file of nginx:
/etc/nginx/nginx.conf

The above file should have an entry like so:
    include /etc/nginx/conf.d/*.conf;
    
 The ^above line creates a directive to include any other configuration files. The config files can be for 
 http and https configuratons. 
 
 The conf files for HTTP & HTTPS will have the below directives:

okram999

<#--

    Copyright 2017 XEBIALABS

    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE

okram999

#!/bin/bash
# Delete all containers
docker rm $(docker ps -a -q)
# Delete all images
docker rmi $(docker images -q)

okram999

#available images
docker images

#active containers
docker ps

#all the containers
docker ps -a

#running docker image

okram999

run the following chef generate cookbook command to generate a cookbook named learn_chef_httpd.
chef generate cookbook cookbooks/learn_chef_httpd

okram999

Subnets do not span accross AZ's. 

You are creating a new VPC with 3 subnets in 3 separate availability zones - By default all subnets will be able to communicate with each other using the main route table.


Create VPC 
Create Subnets in multiple AZ
Create IGN
Attach IGN to VPC
## launching instances to test the internet connectivity and interconnectivity

okram999

{
  "AWSTemplateFormatVersion" : "2010-09-09",

  "Description" : "AWS CloudFormation Sample Template AutoScalingMultiAZWithNotifications: Create a multi-az, load balanced and Auto Scaled sample web site running on an Apache Web Serever. The application is configured to span all Availability Zones in the region and is Auto-Scaled based on the CPU utilization of the web servers. Notifications will be sent to the operator email address on scaling events. The instances are load balanced with a simple health check against the default web page. **WARNING** This template creates one or more Amazon EC2 instances and an Application Load Balancer. You will be billed for the AWS resources used if you create a stack from this template.",

  "Parameters" : {

    "VpcId" : {
      "Type" : "AWS::EC2::VPC::Id",
      "Description" : "VpcId of your existing Virtual Private Cloud (VPC)",

okram999

#login and cache credentials
sfdx force:auth:web:login

#Adding the -d flag sets this org as the default Developer Hub. Use the -a to set an alias for the org 
#(something catchy like DevHub). An alias is much easier to remember than the unique Dev Hub username
sfdx force:auth:web:login -d -a DevHub

### Only indicate the -d flag for your Dev Hub.

#Log In to Sandboxes

okram999

$ sfdx force:doc:commands:list
=== Commands
  force:alias:list                   # list username aliases for the Salesforce CLI
  force:alias:set                    # set username aliases for the Salesforce CLI
  force:apex:class:create            # create an Apex class
  force:apex:execute                 # execute anonymous Apex code
  force:apex:log:get                 # fetch a debug log
  force:apex:log:list                # list debug logs
  force:apex:test:report             # display test results
  force:apex:test:run                # invoke Apex tests