AWS ECS system helps us to capitalise on Docker functionalities. Lets talk about a normal work flow of a docker based application. Developing feature/code – devs will work here on new feature or existing app and write code for same. Dockerizing – devs/admins will write DockerFile, which will incorporate dependencies and functional code. Docker Image…
Hi Folks ! , In this tutorial we will be creating our own custom VPC.This VPC will have : Public and Private Subnets Route Table configuration for both subnets NACLS NAT instances to connect to internet for private subnet Step 1 – Create VPC screen, which will looks something like this. Step 2 – Click…
Hi ! Folks today we will be touching one of core and important concept in AWS infrastructure named Virtual Private Cloud.VPC is the tech which helped in wide spread AWS cloud adoption. In layman terms VPC is like having your own data centre, but in cloud. Let’s talk about important constituent of a VPC. Subnets…
You work for a gaming company that has built a serverless application on AWS using Lambda, API Gateway and DynamoDB. They release a new version of the lambda function and the application stops working. You need to get the application up and back online as fast as possible. What should you do? Roll your lambda…
AWS Auto scaling group (ASG) comes into the picture when we want to have a declarative control and fault tolerant over the infrastructure. By declarative It meant describing how many Instances one wants to run at a given time. Providing min, max and desired count of the Instances. Based on the values given for min,…
AWS Certified Advanced Networking – Specialty Certification is an industry-supported credential designed for network practitioners looking forward to starting a career in the field of networking and hybrid IT architectures. Obtaining this certification will put you amongst the most sought engineers world-wide to gain a specialist certification with AWS. The AWS Certified Advanced Networking Specialty…
The AWS Certified DevOps Engineer Professional exam validates a candidate’s technical expertise in managing, provisioning and operating distributed applications on AWS. This is a difficult exam and requires you to have at least 2 or more years of hands-on experience. Questions shall be asked about how to design, manage and Implement systems that are highly…
AWS Certified Solutions Architect Professional is a category among one of the technical certifications offered by Amazon Web Services (AWS) for professionals who design application and system using AWS platform and who have professional experience deploying AWS cloud architecture. AWS Certified Solution Architect-Professional is a second level certification one step above AWS Solution Architect Associate…
AWS is the well-known name in the cloud computing industry. If you are planning to start your cloud career, AWS is the right place to begin the learning process. The AWS Certified SysOps Administrator – Associate examination is intended for systems administrators in a systems operations role with at least one year of experience in…
Certification always play a crucial role for professionals not only in IT but in every profession these days. If you are a fresher and just started your first job than don’t wait for the right time, plan your career path and get certifications accordingly. If you are an experienced guy and working in the industry…
The AWS Certified Developer-Associate Examination is for those who are interested in using/handling cloud based applications and services. Typically, applications developed in AWS are sold as a product in AWS marketplace. This allows other customers to use the customized, cloud-compatible applications for their own business needs. Because of this, AWS developers should be proficient in…
The AWS Certified Solutions Architect – Associate Examination is intended for those individuals who perform a Solutions Architect role and having hands-on experience using compute, networking, storage, and database AWS services. It validates the following capabilities: The exam validates your ability to effectively demonstrate your knowledge to architect and deploy secure and robust applications on…
This certification path is meant for individuals who are seeking to build and validate overall understanding of the AWS Cloud in spite of their specific technical roles. It provides a detailed overview of cloud concepts, AWS services, security, architecture, pricing, and support to enable you to build your cloud skills and grow your professional credibility….
It sound’s great if you’re thinking about getting AWS certified. The demand for Cloud computing skills are huge, and whether you’re looking to take your career to the next level or jump into a new field, getting the right certification can help you open the door to some life-changing opportunities. But the first question which…
The cloud has been known to be a puzzle long ago. But now, we have pushed forward in time and we have figured out how to uncover the puzzling cloud and make it a vital part of our daily lives – whether an individual or a business. As you understand the significance of the cloud,…
Task 1: Using Cloudformation temmplate json, Create a EC2 Instance and output Public IP and Private IPs. Task 2:Using Cloudformation temmplate json, Create a EC2 Instance/ElasticIP/SecurityGroup and output Public IP and Private IPs. Task 3:Using Cloudformation temmplate json, Create a EC2 Instance/ElasticIP/SecurityGroup/EBS and output Public IP and Private IPs. Task 4:Using Cloudformation temmplate json, Create…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
This article give 2 most important information about Reserved Instance. How to buy Reserved Instance in aws? Verify if Reserved Instances are being used? How do I buy Reserved Instances using the AWS Management Console? How do I tell if my Reserved Instances are being used? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge…
USING FORCE_DEREGISTER ADDED IN V1.1.2, IT WAS VERIFIED WHETHER AWS EC2 AMI CAN BE OVERWRITTEN. THE PROCESS IS TO DELETE THE AMI WITH THE SAME NAME AND THEN CREATE A NEW AMI. IN THIS VERIFICATION, BY USING FORCE_DELETE_SNAPSHOT TOGETHER, DO NOT LEAVE GARBAGE OF OLD AMI. Here is the sample programs for overwrite Existing AWS…
Problem To increase the performance in Elasticsearch, many times we add new nodes to Elasticsearch cluster and manually change the configuration file with new IP address, etc. so that it gets added into the cluster. This takes up our time too. To make it efficient, we deceided to use AWS EC2 discovery plugin which discovers…
The AWS Account Root User When you first create an Amazon Web Services (AWS) account, you begin with a single sign-in identity that has complete access to all AWS services and resources in the account. This identity is called the AWS account root user and is accessed by signing in with the email address and…
Amazon EC2 uses public–key cryptography to encrypt and decrypt login information. Amazon EC2 stores the public key only, and you store the private key. The public and private keys are known as a key pair. To log in to your instance, you must create a key pair, specify the name of the key pair when…
Linux-Specific Volume Limits – 40 volumes Windows-Specific Volume Limits – AWS PV – 26 Citrix PV – 26 Red Hat PV – 17 Instance Type Limits C5, C5d, M5, M5a, M5d, R5, R5a, R5d, T3, and z1d instances support a maximum of 28 attachments, including network interfaces, EBS volumes, and NVMe instance store volumes. Notes…
Aws diagram and icon explained Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies…
List of AWS Regions This is complete list of AWS regions available currently. S.No Code Name 1 us-east-1 US East (N. Virginia) 2 us-west-2 US West (Oregon) 3 us-west-1 US West (N. California) 4 eu-west-1 EU (Ireland) 5 eu-central-1 EU (Frankfurt) 6 ap-southeast-1 Asia Pacific (Singapore) 7 ap-northeast-1 Asia Pacific (Tokyo) 8 ap-southeast-2 Asia Pacific (Sydney)…
We’ve put together a list of resources that we think will be useful to you, as you familiarize yourself with Amazon SQS and get started working with it. Introductory Topics What is Amazon SQS? http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/Welcome.html Getting Started with Amazon SQS: http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-getting-started.html How Amazon SQS Queues Work: http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-how-it-works.html Best Practices for Amazon SQS: http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-best-practices.html Using Amazon…
What data is stored in ephemeral storage of an Amazon EC2 instance? Anything that is not stored on an ebs volume that is mounted to the instance will be lost. For instance, if you mount your ebs volume at /mystuff, then anything not in /mystuff will be lost. If you don’t mount an ebs volume…
Answer Terminate Instance When you terminate an EC2 instance, the instance will be shutdown and the virtual machine that was provisioned for you will be permanently taken away and you will no longer be charged for instance usage. Any data that was stored locally on the instance will be lost. Any attached EBS volumes will…
Different boot sources There are several different kinds of sources to boot from in the DreamCompute dashboard, but they all need to create some sort of virtual disk for the virtual machine to boot. The virtual disk can use either ephemeral storage or volume block storage. When launching an instance, you have several Boot Source options: Image: Launches an…
1 GB to store in US-East-1: (Updated at 2016.dec.20) Glacier: $0.004/Month (Note: Major price cut in 2016) S3: $0.023/Month S3-IA (announced in 2015.09): $0.0125/Month (+$0.01/gig retrieval charge) EBS: $0.045-0.1/Month (depends on speed – SSD or not) + IOPS costs EFS: $0.3/Month Further storage options, which may be used for temporary storing data while/before processing it: SNS…