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#!/bin/bash

# exit when the command fails
set -o errexit;
# exit when try to use undeclared var
set -o nounset;
Total_num_of_buckets=`aws s3 ls s3:// | awk '{print $NF}'| wc -l`
printf "%s: %4d\n" "Total Number of s3 buckets" ${Total_num_of_buckets} 
printf "%s: %4s\n" "Bucket Name" "Bucket Size"

linuxdevops-34

Deploy Rails Application to AWS EC2

Creating AWS EC2 Instance

- login to 'AWS Management Console' (https://aws.amazon.com/console/)
- from 'Services'(in navbar) choose 'EC2'
- from 'Create Instance' section, click on 'Launch Instance'
- then select 'AMI' (Amazon Machine Image), we will be using 'Ubuntu Server 16.04 LTS (HVM)' as example
- select 'Instance Type' as per your requirement
- then click 'Next:Configure Instance Details' to continue
  change 'Configure Instance Details' or used as default settings

linuxdevops-34

// Set your project Prefix using your GUID
def prefix        = "user22"

// Routes
def clusterDomain      = "apps.cluster-19ae.sandbox478.opentlc.com"
def tasksDevRoute      = "tasks-${prefix}-tasks-dev.${clusterDomain}"
def ocpRegistryRoute   = "default-route-openshift-image-registry.${clusterDomain}"
def nexusRegistryRoute = "nexus-registry-${prefix}-cicd.${clusterDomain}"

// Set variable globally to be available in all stages

linuxdevops-34

#!/bin/sh

################################################################################
# This script will upgrade Jenkins.
#
# It assumes the Jenkins server is started with java -jar jenkins.war command.
# The script will backup existing Jenkins war file and configurations.
# After upgrade is done, Jenkins server will be restarted.
#
# Check upgrade.sh -h to get help.

linuxdevops-34

Deploying a Production ready React-Express App on EC2 with CI/CD

In this guide I will go through the steps of setting up your EC2 instance for your React-Express project and deploy it with CI/CD using Github Actions.

Any commands with the "$" at the beginning run on your local machine and any with "%" should be run on your server.

Table of Contents

• Project Layout
• Setting up the project

linuxdevops-34

A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

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AWS CLI Cheatsheet

http://docs.aws.amazon.com/IAM/latest/UserGuide/best-practices.html https://www.youtube.com/watch?v=_wiGpBQGCjU

Setup