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There are three primary types of cloud computing services, depending on how much management the cloud users or the cloud provider performs. As the level of management increases, so do the responsibilities. These are Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).

Generally speaking, ‘X as a Service’ means X is offered to you as a service by a third party. So, in the cloud domain, this can be an infrastructure, a platform, or software provided by the cloud provider, such as Amazon Web Services (AWS). You can leave managing it to the cloud provider and focus on your business.

In this blog post, I will explain cloud service types and their differences so you can clearly understand your responsibilities.

Continue reading the IaaS vs. PaaS vs. SaaS: Cloud Computing Service Types Explained blog post.

When it comes to building a reliable and scalable cloud infrastructure, efficient communication between your cloud components is essential. There are many AWS services to help you build a reliable communication architecture for your solution. So, in this post, we will discuss and compare two old and popular AWS messaging services, Amazon Simple Notification Service (SNS) and Amazon Simple Queue Service (SQS). These services allow you to easily exchange messages in a distributed system.

Continue reading the Amazon SNS vs. Amazon SQS: A simple comparison blog post.

Recently, I recertified my AWS Certified DevOps Engineer – Professional (DOP-C02) certification by sitting for the exam for the third time. So, I extended my DevOps Pro certification to 9 years and the AWS Certified Developer – Associate and AWS Certified SysOps Administrator – Associate certifications to 10 years. It was a long marathon.

You need to recertify your AWS certifications in every three years. Although it was my third exam for this certification, it was still hard, and I learned new things during preparation. So, let me give you some insights about the exam coverage, how I prepared, and how online proctoring went with Pearson Vue.

Continue reading the AWS Certified DevOps Engineer – Professional for the Third Time! blog post.

AWS CodeArtifact enables you to store your custom packages or fetch packages from public package registries and use them in your software development process. If you use AWS CodeBuild to build your code, you can make CodeBuild retrieve the packages required for your build or test commands from your CodeArtifact repository on AWS instead of public Internet registries.

In this post, I will introduce you to AWS CodeArtifact and provide an example of using it with AWS CodeBuild to build an Angular application.

Continue reading the Using AWS CodeArtifact with AWS CodeBuild: An Angular Build Example blog post.

In AWS IAM, permission policies play a crucial role in securely controlling access to your AWS environment. You can attach three types of permission policies to your identities: AWS-managed, customer-managed, and inline policies. In most cases, AWS recommends using managed policies over inline policies, especially customer-managed policies created from AWS-managed policies. However, there may also be cases for inline policies. In this post, we will quickly explore IAM’s permission policies to help you decide which is best for you.

By the way, we will only talk about AWS IAM’s identity-based permission policies in this post. The resource-based trust policies used in IAM roles, in which you specify the principals you trust to assume a role, will be out of the scope of this post. So, when we use the ‘policy’ term below, it will only refer to an IAM permission policy: AWS-managed, customer-managed, or inline. Then, let’s begin.

So, when you attach a policy to an identity (a user, group of users, and a role), that policy determines whether to allow or deny access to your AWS resources. Hence, with security threats in mind, choosing the right policy type for your needs is essential, as well as granting the least privilege. But you wouldn’t want to increase the management overhead while doing this, right?

Each IAM policy type has its use cases. So, let’s analyze each one to see what features it offers.

Continue reading the A Quick Overview of IAM Permission Policies: AWS-Managed, Customer-Managed, and Inline Policies blog post.