In almost every DevOps discussion today, secret management comes up sooner or later. Tools like HashiCorp Vault, Azure Key Vault, AWS Secrets Manager, and CyberArk are often projected as the default choices. While these tools are powerful and enterprise-grade, they also come with operational overhead, licensing costs, and management complexity especially for small teams, PoCs,…
Tag: Cloud Computing
What Are Terraform Local and External Variables? Explained with Examples
When I first started writing Terraform code, I remember how confusing variables felt in the beginning. I had variable blocks everywhere some defined locally, some coming from outside, and I used to wonder which one takes priority and how Terraform actually decides the value. Over time, as I built real-world automation, I realized understanding variables…
How to Deploy Docker Containers with NGINX on AWS EC2 Using Ansible and GitHub Actions
Have you ever wanted to automate Docker container deployment on an EC2 instance. That was exactly what I wanted to do last week and instead of doing it the old-fashioned way with SSH and manual scripts, I decided to automate it using Ansible and run it through GitHub Actions (CI/CD). The result? A super clean…
No More DynamoDB! Use Native S3 locking for Terraform State
If you’ve been managing your Terraform state in AWS S3, you’ve probably been using DynamoDB to enable state locking. Well, here’s some great news: Terraform 1.10 lets you ditch DynamoDB and handle state locking directly in S3! No extra tables, no extra costs, and no more unnecessary complexity. So, how does it work? Let me…
How to Bring and Manage Manually Created AWS Resources Under Terraform Management
Imagine a scenario where you might prefer to provision the resources manually in Cloud because it’s quick and easy. Maybe you needed a Cloud resource such as security group in a hurry, or someone on the team just created it without thinking about Terraform. Fast forward a few weeks, and now you’ve ended with a…
Automating AWS Infrastructure Provisioning in Your CI/CD Pipeline with Terraform and GitHub Actions
In this article, I will guide you with the steps on how to provision an instance (VM) in AWS Cloud by using Terraform code and a CICD pipeline that is GitHub Action. But before proceeding further, let me give you a brief overview of Terraform and GitHub Action. Terraform Terraform is an open-source Infrastructure…
Enabling and Troubleshooting Hot Add Feature in Linux VMs
As a Linux System Admin, we have come across such requirement multiple times for Vertical scaling of Linux VMs in VMware infrastructure. Vertical scaling means adding of additional resources like CPU, memory, Storage to server or VM for increasing its capacity to address more load of Application or DB hosted on Linux VM but what…
How to use Amazon Cloudwatch to monitor my AWS EC2 resources
Amazon CloudWatch is a monitoring service which monitor AWS resources on Cloud. It comes with dozen of monitoring metrics which ease Cloud Admin to use them in monitoring their AWS Infrastructure services resources like Amazon EC2 instances, Amazon S3 Cloud Storage, Amazon RDS (Relational Database Service) on Cloud etc. It collects monitoring and operational data…
How to convert Amazon EC2 On Demand instance to Amazon EC2 Reserve Instance
I was using t2 micro instance for my WordPress website for one year on trial basis as most of you might know AWS provide 750 hours/month free tier usage of its t2 micro instance for a year. But as year passed my instance usage reached high and its trial usage also reached to finish. Due…
How to backup Linux machine to Amazon S3
AWS Amazon S3 is a Simple Cloud object storage solution provided by Amazon. Have a look below what Amazon write and say about S3: Amazon Simple Storage Service (Amazon S3) is an object storage service that offers industry-leading scalability, data availability, security, and performance. This means customers of all sizes and industries can use it…