84 videos in this category
AWS announced at the last re:Invent that Amazon CodeWhisperer now has an AI based code remediation feature for security vulnerabilities. First you have to run a Security Scan on your code – something
Amazon CodeWhisperer recently rolled out its latest feature, now supporting Infrastructure as Code (IaC). While not entirely a game-changer, it is still a significant productivity boost for builders l
Whenever you handle sensitive information like addresses, names, emails. social security numbers or even AWS secret keys in your code this has the potential to make this information available in the l
If you’re looking to get started with Generative AI on AWS then AWS Bedrock is the service you’re looking for! In this video I am going to look at this service and show you around in the console, expl
Today the first live stream of Majestic.cloud happened! The subject was Writing scalable Lambda functions – best practices and anti-patterns to consider. Part 1: “Understanding Lambda lifecycle and sc
If you need to do machine to machine authorization with the Client Credentials flow with AWS Cognito then this video is for you. I am going to explain what the client credentials flow looks like and w
A Lambda authorizer (or custom authorizer) is an API Gateway feature that uses a Lambda function to control access to your API. You can use this to implement a custom authorization scheme. With this w
If for whatever reason you want to trigger a Step Functions state machine workflow through API Gateway by exposing a HTTPS endpoint you can do that by creating a direct integration between API Gateway
If you ever wondered what are the responsibilities of an AWS Solutions Architect then this video is for you! Tune in to learn what solutions architects do on a daily basis and also find out some of th
In this video I am going to show you how to implement AWS Cognito login and registration in React JS. This is an essential use case whenever you are using AWS Cognito together with React to build a we
Sometimes when you want to use the same AWS SAM template for multiple environments, such as dev or prod you might run into certain troubles. For example if you need to create a specific resource with
In today’s video I will be telling you about AWS Step Functions which is a fully managed service that allows you to coordinate and orchestrate your microservices and serverless applications. It provid
Thinking about an AWS certification? This video breaks down everything you need to know before taking the plunge. Discover the value of these certifications, why they can boost your career, and also w
Lambda versions, aliases and weighted aliases are useful features if you need to publish different versions of your Lambda functions. In this video I am going to explain what they are, how to use them
Whenever you start using a new AWS account you should take some steps to prevent data loss, security breaches and unwanted costs. But many people tend to forget about these or not even know that they
In this tutorial video, I guide you through the process of uploading large files to Amazon S3 using API Gateway and Lambda functions, while overcoming the default size limitations. By leveraging the p
The AWS Solution Architect – Professional certification exam is one of the hardest exams in IT and getting it could mean a big boost to your career. I attempted this exam this spring and passed it suc
Are you tired of managing multiple windows and AWS profiles on your local terminal ?Did you forget to install a terminal or the AWS CLI on your machine and need to check something quickly ?Maybe you n
In some cases when you use CloudFront for your Load Balancers and/or API Gateways you might want to prevent direct access to these unless they are accessed through the CloudFront distribution. This ca
AWS S3 Lifecycle Rules is a powerful feature that automates the process of managing your S3 objects, optimizes your data storage and it allows you to save on S3 costs. In this video, we’ll explore eve
In this video, you’ll learn about the S3 Versioning feature in Amazon S3. This feature allows you to keep multiple versions of an object in the same bucket, making it easier to preserve, retrieve, and
By default your AWS API Gateway URL’s are pretty long and hard to remember and also confusing for your customers. What if you could use your own domain name for the API ? Something like api.yoursite.c
By default your API Gateway endpoints are not secured so anyone with the link can access it. In a real world scenario you would want to secure them so your users first need to authenticate and provide
Your serverless application needs a proper CI/CD pipeline so you can easily test and deploy your application to your AWS accounts. In this video I will show you how to create such a deployment pipelin
In this video I will explore the AWS Web Application Firewall (WAF) and show how it can help you protect your endpoints from unwanted traffic. With the rise of cyber threats and attacks, it’s crucial
The Archive and Replay feature in EventBridge can be used to archive events and replay them later, for analysis or debugging. Before this feature was implemented in EventBridge you had to do some manu
I already created some content on EventBridge like for example the ones on EventBridge Pipes and EventBridge Scheduler but I got some requests to introduce EventBridge properly as many people don’t ha
AWS released EventBridge Scheduler just a few months ago. This new feature of EventBridge allows you to create, run and manage scheduled tasks at scale. While EventBridge had a feature for running sch
On some Windows based systems, when you issue the command you might get the following error: This happens due to a path limitation on Windows and it’s easy to fix. Just go and open PowerShell as Admin
EventBridge Pipes was released at the 2022 re:Invent and it allows you to connect different types of sources with targets and helps you build event driven architectures in an easier way by reducing th
Implementing the Queue-Based Load Leveling pattern In some cases you might want to process the requests that are coming into API Gateway in an asynchronous way. That could be happening for many reason
In this video I will show you how to set up S3 Replication – including Cross Region Replication. S3 Replication is a feature in S3 that enables automatic, asynchronous copying of objects from one S3 B
AWS released Application Composer about one and a half months ago at AWS re:Invent 2022. It is a tool that allows you to visually design and build serverless applications. You can just drag and drop c
Often I am being asked by developers about the AWS services and one of the most common questions is: what should I start with? After all there are so many services in AWS that it’s hard to know for a
By default your EC2 instance has no access to other services such as S3. But what if you want to access S3 from EC2 ? You could use access keys and secret keys but that’s prone to security issues if t
Sticky Sessions is a feature of the EC2 Load Balancer that allows you to continue to serve legacy applications that store session data on the instance. All this without you having to modify the code o
This video shows you how to create a basic Data Lake in AWS S3. After the CSV files are uploaded to S3 we will use AWS Glue to identify the schema and create the tables then in the end we will use AWS
Route53 Private Hosted Zones allow you to setup private domain names that can only be accessed from within your VPC. These private domain names can then be used for various purposes, for example acces
EC2 Auto Scaling is a feature in EC2 which allows you to maintain the availability of your applications by adding and removing EC2 instances according to some conditions that you define. In this video
EC2 Launch Templates is a feature of EC2 which allows you to create EC2 instance templates and then launch instances with just a few clicks by using these templates. So you define the template once an
So I’ve tried installing PHP on an Amazon Linux 2 EC2 instance today and what I found is that even though we are in 2021 Amazon Linux 2 still comes with PHP 5.4.x. Which is maybe understandable becaus
Connecting to EC2 instances with SSH clients using key pairs implies that you need to manage the keys, keep them secure and also you need to configure your local SSH client. What if you could quickly
Creating a deployment pipeline for React apps from Github to S3 static buckets is easy with AWS CodePipeline and AWS Codebuild – this video shows you how to do it step by step and even demonstrates ho
If you need to run custom scripts/commands on EC2 instances and you want to do this without logging in with SSH you can do that by using AWS Systems Manager. Adding also Resource Groups to the mix you
Creating a static website in S3 is pretty easy, the only problem is that it doesn’t support SSL certificates (HTTPS) out of the box. You can however combine S3 and CloudFront to serve traffic through
If you need to share S3 buckets across AWS accounts to provide access to your objects stored in these S3 buckets you can do that multiple ways. In this tutorial we will use the method with IAM roles b
If you want to run Amazon Linux 2 on premises (on a local computer) for development and testing purposes then you can do that by using the virtual machine (VM) images provided by Amazon. This video sh
When you need to redirect the root (or apex) domain to another domain with AWS Route53 then you don’t have too many options. You can’t directly use the A record because it only allows using IP address
EFS or Elastic File System is an AWS service offering a fully managed elastic and shared file system that can be integrated with other AWS services. Up until now it was not possible to use EFS with La
There are multiple ways to redirect HTTP traffic to HTTPS but if you’re using an EC2 Elastic Load Balancer then maybe the simplest one is through the Load Balancer rules. This video shows you how to e
AWS Backup is a fully managed backup service that allows you to centralize and automate your backups across multiple AWS services. What is more important is that you can use AWS Backup with EBS, EFS,
Layers in AWS Lambda are used to pull in additional code such as external libraries, custom runtimes or other dependencies needed by your application. This way you can keep your application code small
AWS EFS is fully managed elastic NFS file system for AWS cloud services and on-premise resources. It can scale automatically up and down based on usage and you only pay for the storage you actually us
If you have a private RDS database which accepts connections only from within your VPC you cannot directly connect to it with a SQL client like MySQL Workbench. However using an EC2 instance in a publ
At re:Invent 2019 AWS announced a new feature for the Amazon API Gateway. This new feature is called HTTP API and it is basically a new flavor of the API Gateway. It offers significantly lower prices
Announced at AWS re:Invent 2019 the brand new feature of AWS Lambda called Provisioned Concurrency allows you to keep your functions initialized and ready to respond in double digit milliseconds. This
AWS re:Invent 2019 started on Monday the 2nd of December. We are on day 2 and the keynote by Andy Jassy – CEO of AWS has brought us a whole bunch of new features for existing products but also a coupl
Lambda Destinations is a brand new feature from AWS Lambda which provides a greater visibility and control of your Lambda invocations. You can use this feature to route the execution results of your L
Loading CSV files from S3 into Redshift can be done in several ways. One of them is the COPY command which allows you to use SQL like commands to load the data into Redshift. This video demonstrates h
If you need to send a notification whenever some operation occurs on your S3 bucket you can easily do that with S3 Events and AWS SNS (Simple Notification Service). This video will show you how to set
AWS Step Functions is a service from AWS that allows the coordination of different components of distributed applications and microservices. Often during development we need to run our services locall
DynamoDB is one of the fundamental pieces of the serverless stack in AWS, because of this knowing how to run DynamoDB locally is essential in being able to develop and test the applications locally. T
AWS Config is a a service that provides a detailed view of the configuration of your AWS Resources. Not only current configuration but also past configurations so you can see how that particular resou
Amazon Athena is a serverless interactive query service, it supports multiple formats for the data, there is no infrastructure to manage and you pay only for what you use, in this case what you query
A VPC Peering connection is a networking connection between two VPC’s that enables you to route traffic between them using private IPv4 addresses or IPv6 addresses. While VPC’s are isolated from each
Cloud9 is a cloud-based IDE (or Integrated Development Environment). It allows you to write code, run it and even debug it with just a browser. It has support for multiple languages and runtime debugg
AWS Serverless Application Model or SAM is an open-source framework for creating serverless applications. It provides a foundation for building simple or complex applications with many different parts
Often when working with the AWS CLI you need to use different AWS profiles on your local machine depending on the situation. Switching between profiles is very easy and conveninent. This video will sh
AWS Transfer for SFTP is a fully managed service which allows users to transfer (upload/download) files in and out of an S3 bucket. This video shows you how to set up the bucket, the IAM roles, a cust
What if you could connect to your EC2 instance without a private key or a password ? You can do this with AWS Systems Manager – Session Manager. Even more, you can do this for Linux or Windows instanc
Did you know that you can have free SSL certificates for your website, API project or CDN ? Well, it is possible with AWS Certificate Manager. This video will show you how to do this quick and easy!
Sometimes you’re in a situation where you need to increase the size of your EBS volumes in EC2. This can be accomplished in two ways. The first one with restarting your instance and the second one wit
wkhtmltopdf (and its sibling wkhtmltoimage) are often used to generate pdf files or images from html. However when you install wkhtmltopdf on Amazon Linux you can run into a small issue which is not t
To connect to a private EC2 instance you need to use a bastion host (oka jump box). But because of security concerns you might not want to upload your private key to the bastion host. How do you solve
AWS S3 allows you to host static websites in your S3 buckets. You can also configure a domain name in Route53 to point to this static website. This is a very affordable solution to host static website
I have done lots of CSV imports in my life. And it was sometimes painful especially the maintenance of the servers that did the imports. But in this era of cloud and serverless services you can do a C
Sometimes you need to redirect the traffic coming into your Elastic Load Balancer to a specific EC2 instance based on certain rules like host, url path or query string. This video will show you how to
So I’m just back from the AWS Summit London 2019. The capital of the UK is one of my favorite cities in the whole world. I visited it in numerous occasions but this was only the second time I attended
Below you can find the recordings for the keynotes from AWS re:Invent 2018 Monday Night live with Peter DeSantis Global Partner Keynote with Terry Wise Keynote with Andy Jassy Keynote with Werner Vo
Up until recently you could create automated snapshots of your volumes by using shell scripts or lambda functions. These sometimes could prove difficult to create and maintain. A few months ago AWS re
In order to monitor your costs in AWS it’s advisable to create billing alerts. These will notify you immediately when your costs go above a certain user defined threshold. This video will show you how
Sometimes it can happen that you lose an EC2 key pair. That would mean that you can no longer login to the instance. However this problem has an easy solution. In this video I will show you how to rep
Here’s the full keynote from AWS Summit London 2018
Welcome! With this post I’m releasing to the world the new Majestic.cloud website/blog. What is Majestic.cloud you might ask. Well, that’s a good question. Majestic.cloud wants to be a new resource to
