Hardware vs OS Virtualization. A deep dive into Hypervisors (Xen, KVM) vs Containers (LXC, Docker). Includes Glossary, FAQ, and Cost Analysis.
Why clicking through the AWS console is a recipe for pain, and how declaring infrastructure as code with Terraform changes everything. Practical VPC + EC2 + RDS example included.
To understand why my server is so small yet powerful, we must look at the house-sized 1st gen computers. I reveal the history of hardware dieting and the secret to saving cloud costs.
Conductor of VMs. Is the CEO running it directly (Type 1), or hiring a manager (Type 2)?
Solving server waste at dawn and crashes at lunch. Understanding Auto Scaling vs Serverless through 'Taxi Dispatch' and 'Pizza Delivery' analogies. Plus, cost-saving tips using Spot Instances.
When I started, VMs and containers were completely different worlds. But now, technologies like Kata Containers (running containers as VMs), Firecracker (MicroVMs), and gVisor (sandbox containers) are blurring the lines.
The key insight: You can only pick 2 out of 3 — performance, security, or cost. That's why choosing the right technology for your situation matters.
I don't panic when I see my AWS bill anymore. I've learned to use the right technology for the right job.
