Whitelisting Access to Application Load Balancer Through The Use of AWS WAF
Load balancing an application is a common approach to distributing traffic among multiple servers. It has a breadth of benefits that can optimize performance, including availability and responsiveness, as it spreads the workload from one server to another, preventing server overload. AWS has a wide variety of load balancer types. But one of the most commonly used for web servers is the Application Load Balancer (ALB), as it functions at the application layer, the [...]
Exploring AWS Cloud Quest: Cloud Practitioner Game
What is AWS Cloud Quest? AWS Cloud Quest is an open-world, role-playing game that teaches you how to create AWS solutions using cloud concepts and exercises based on real life. It helps you learn the intricacies of modern cloud technologies and have fun at the same time. Cloud Quest features 12 real-life scenario assignments which prepare and train you to become an AWS Cloud Practitioner at absolutely no cost. This free game targets audiences [...]
Building Dynamic Start and Stop Scheduler Functions for Non-Distributed Applications Under Auto-Scaling Group
In AWS, it’s of utmost importance to consider the cost in every aspect. In fact, cost optimization is one of the 6 pillars of a well-architected framework, therefore, it must be included in every step in building solutions in AWS. There are infinite ways to reduce bills but one of the most popular ones for EC2 instances is to start or stop them, especially if they don't need to run 24/7. But constantly doing [...]
Real-time Monitoring of 5XX Errors using AWS Lambda, CloudWatch Logs and Slack
Monitoring is the best friend of every system administrator. It gives visibility into what is happening on your application so that when an issue occurs, you or someone in your team could be alerted and do the necessary measures to mitigate it. However, this can only be as effective as the metrics you're keeping track of. There are plenty of factors that can affect application performance. And while it’s difficult to stay on top [...]
Automatically stop non-production RDS databases with AWS Lambda and Amazon EventBridge
Every AWS service offering comes with a pay-as-go pricing model, empowering businesses, small or large, to be flexible at experimenting and making changes as they build their products to market. This pricing model is similar to riding an Uber, where you only pay for the distance covered, or to electric bills where you’re charged based on actual energy consumption. Of course, the more devices you have running, the higher your monthly bill will be. [...]
What’s New with the SAA-C03 AWS Certified Solutions Architect Associate exam this 2022?
The AWS Training and Certification team recently announced that there’s yet another version release of its popular AWS Certified Solutions Architect Associate exam will be released this August 30, 2022. Its new exam version would be SAA-C03. Take note that the current version (SAA-C02) will only be available on August 29, 2022 so you still have time to recertify. The new SAA-C03 will be focused on Security, as shown on its official exam guide.' History of the [...]
Getting Started with SageMaker Ground Truth Private Workforce
Before we begin, let’s quickly talk about what Amazon SageMaker is and what it is used for. If this is your first time learning about Amazon SageMaker, it is the machine learning platform of AWS that helps solve the different requirements of data scientists, developers, and machine learning practitioners. It has several features and capabilities that assist in the different stages of the machine learning process. In this tutorial, we will focus on SageMaker [...]
Scalable Data Processing and Transformation using SageMaker Processing (Part 2 of 2)
In this 2-part tutorial, we will focus on SageMaker Processing and how we can use it to solve our data processing needs. Our overall goal is to demonstrate how to use SageMaker Processing to help us perform Min-Max scaling on a dataset in its own dedicated and easily scalable environment. If you are looking for Part 1, you can find it here. As mentioned in Part I, we have divided this tutorial into 4 [...]
Scalable Data Processing and Transformation using SageMaker Processing (Part 1 of 2)
Amazon SageMaker is the machine learning platform of AWS which helps solve the different requirements of data scientists and machine learning practitioners. It has several features and capabilities that assist in the different stages of the machine learning process. Here is a simplified list of the capabilities of SageMaker mapped to some of the stages of the ML lifecycle. SageMaker Processing Data Preparation and Processing SageMaker Training Model Training SageMaker Automatic Hyperparameter Tuning Model [...]
AWS Certified Sysops Administrator Associate (SOA-C02) Exam Experience
I recently took the new AWS Certified SysOps Administrator SOA-C02 exam last week via the Pearson Vue online proctoring. There are a lot of recently introduced features and services that showed up in this new version which you should be aware of. The new version included the new Exam Labs section in the test, which is unique among the other existing AWS certifications. If you’re planning to take this exam soon, read on. At the beginning [...]
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