Amazon EC2 (Elastic Compute Cloud) instances are resizable compute capacity in the cloud. It reduces the time required to obtain and boot new server instances to minutes, and provides the following features: Virtual computing environments, known as instances Preconfigured templates for your instances, known as Amazon Machine Images (AMIs), that package the bits you need for your […]
After showing the principles of AWS networking with VPC and Routing, it’s time to dive into VPC network security introducing ACL, Security Groups Flow Logging, and Best Practices. When you start using a cloud provider it’s important to keep in mind some security concepts that must keep in mind: Security of the cloud: AWS is […]
With IAM identity-based policies, you can specify allowed or denied actions. For some actions, you can specify the resources and conditions under which actions are allowed or denied. Amazon VPC supports specific actions, resources, and condition keys. Administrators can use AWS JSON policies to specify who has access to what. That is, which principal can perform actions on what resources, […]
In the previous study note, we focused mainly on how AWS is organized from the infrastructure side and how you can organize your account(s) with users, groups, roles, and permissions. Now it’s time to dive into the Networking and Security network elements that AWS made available to isolate and connect IaaS infrastructure with managed services. […]
Let’s continue with my study notes giving a brief look at how the Amazon Web Service is built and how it organizes tenant, services, permissions, etc. Global infrastructure organization Amazon Web Service is a multisite, multi-datacenter Public Cloud Provider spread across the world. At the root of the service, there are the regions and edge […]
Here starts a series of posts focused on AWS Solution Architect Certifications (Associate and Professional). This is an important change of path of my knowledge to cover the “new side” of the IT: The cloud. In the past, I was focusing mainly on the private cloud and sometimes I was involved in some hybrid-cloud projects. […]
How many infrastructure administrators are repeating the same task many times? Unfortunately, it happens again and human mistakes are in the nearest corner! PowerCLI is giving a great hand that really contribute to stopping “monkey works” on vSphere based infrastructure and solve a lot of infrastructure automation tasks like deploy and manage, migrations, making detailed […]
IT certifications are often hard to prepare. Sometimes the extensive explanations inside the official documentation (must cover every aspect) and the small amount of time for preparation bring the candidate to search essential and practical documentation as a starting point for his preparation. The AWS Certification, like VMware and Microsoft, has different paths and levels depending specialization focus. More […]
In this post, I’d like to share some impressions and perspective from the author of the book DevOps for Serverless Application, Shashikant Bangera. He’s a DevOps, with 18 years of experience in IT, and presents the Serverless world taking principally AWS, Azure, Google, and OpenWhisk as cloud consumption reference for the examples. The moment we hear […]
Preparing VMware certification exams could be not easy, especially if your working days are full of activities and you haven’t enough time to read the exhaustive documentation that is available on the documentation section in the official website. In order to prepare the exam the first thing to check is the “Blueprint“: the list of the contents […]
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