Indika

I am d DevOps engineer.
I take pride in running software on the cloud securely and cost effectively.

I love answering questions: indika@cloudqubes.com

Read my recent articles

Are you still using cron jobs to keep RHEL systems up to date

Learn the best method to automate RHEL updates with dnf-automatic. This guide covers config, how to verify, and why enterprise fleets need a different approach.

26 Jan, 2026 | 7 min read

Saving Money on AWS: The Pragmatic Guide to Docker IPv6 Networking

How to use IPv6 networking for Docker workloads on AWS to avoid public IPv4 costs.

11 Jan, 2026 | 6 min read

How to run a web application in AWS on a tight budget

A walkthrough on designing a secure, cost effective architecture for a personal or hobby web app on AWS.

06 Dec, 2025 | 13 min read

AWS vs Azure vs GCP: Who's got the best virtual machines in town

A guide to virtual machine service offerings of big cloud providers.

26 Nov, 2025 | 9 min read

9 reasons why you need a reverse proxy for any web application

A reverse proxy is not just a load balancer. Check out these 9 things how a reverse proxy make your web application more performant and secure.

09 Nov, 2025 | 6 min read

Your guide to learn coding as a DevOps engineer

If you are an aspiring DevOps engineer and is not actively learning to code...

23 Oct, 2025 | 6 min read

5 SSH client authentication methods for security minded DevOps engineers

Are you still relying on password authentication for SSH? it's time to upgrade to a more secure and scalable method.

15 Oct, 2025 | 5 min read

My system to become a highly efficient DevOps engineer

Become a highly efficient DevOps engineer and become a highly valued asset to your team so they'll be sorry to let you go.

01 Oct, 2025 | 6 min read

3 Docker myths shot down in flames

Read this if you ever clapped a "Docker is dead" post.

17 Sep, 2025 | 4 min read

The secret ingredient for career growth and five easy tips to brew it up

How much hard you work, without this you will never realize your career goals.

11 Sep, 2025 | 4 min read

3 mistakes that hit hard on your DevOps career

Don't let these three mistakes stall your DevOps career.

09 Sep, 2025 | 3 min read

How to build an observability stack that cuts to the heart of any issue with no wasted effort

If you are still using SSH to troubleshoot, there's a problem with your observability stack.

04 Sep, 2025 | 6 min read

3 myths that claim Kubernetes is going away

Kubernetes is not going away despite a few DevOps pros trying to generalize a few specific use cases.

31 Aug, 2025 | 4 min read

Why PAAS cannot replace Kubernetes

PAAS is easy. Just deploy your code and the platform will run it. But, it cannot cut it for everyone.

27 Aug, 2025 | 5 min read

Introduction to metrics - one of the three pillars in DevOps observability

The significance of metrics in DevOps observability, types of metrics, and open-source tools for collecting and visualizing metrics.

27 Aug, 2025 | 7 min read

This is how you should write and collect logs from Docker containers

Do not write logs to log files in Docker containers. Write logs to stdout and stderr and collect them via one of the three log forwarding mechanisms described here.

25 Aug, 2025 | 5 min read

4 open-source DevOps logging tools and what I use for home labs and prod

Master DevOps log management with open-source logging tools. Find out what open-source logging tool is the best to get started with.

21 Aug, 2025 | 5 min read

Keep a keen eye: Logging for applications on Kubernetes

Learn the essentials of Kubernetes logging. Discover key architectures, best practices, and popular tools like the EFK stack to effectively monitor and troubleshoot your K8s apps.

20 Aug, 2025 | 6 min read

A Guide to logging in DevOps

A complete guide to logging - one of the three pillars of observability in DevOps. Learn the difference between logging, metrics, and tracing, explore popular tools.

18 Aug, 2025 | 7 min read

How OpenTelemetry is standardizing DevOps observability

OpenTelemetry is an initiative to standardize observability so that you can seamlessly work with multiple observability tools.

15 Aug, 2025 | 5 min read

An introduction to observability in DevOps

Observability is your ability to know why your software applications are failing. Then, you can decide what exactly you need to do to recover.

13 Aug, 2025 | 5 min read

7 bad practices of sudo (and how you can do better) as a DevOps engineer

Out of all utilities in Linux, sudo is one of the most misused (or underused). Here we list 7 common bad things that DevOps engineers are doing with sudo.

11 Aug, 2025 | 4 min read

If you are doing any out of these three you are putting your infra at risk

sudo was created four decades ago. It has been widely in use for two decades now. But still it's misused, putting production Linux servers at risk.

07 Aug, 2025 | 5 min read

Get empowered and be a secure Linux user: A guide to sudo

Elevate your DevOps security. Learn how using `sudo` responsibly empowers teams, reduces risk, and ensures accountability without sharing root passwords. A guide for DevOps engineers.

07 Aug, 2025 | 7 min read

Building and managing cloud infrastructure with confidence: A guide to IaC for DevOps engineers

Automate infrastructure with IaC for DevOps! Learn what IaC is, why it's crucial for CI/CD, how tools like Terraform, OpenTofu, AWS CDK, and Pulumi work, and why mastering OpenTofu is key for DevOps engineers.

23 Jul, 2025 | 6 min read

A guide to web application architecture for DevOps engineers

A dive into the three common web app backend architectures.

16 Jul, 2025 | 7 min read

DevOps engineer's guide to web application building blocks

A web application is not just code. It's a collection of components and services of which—the integration is a DevOps engineer's responsibility.

14 Jul, 2025 | 7 min read

DevOps in the private cloud: Mastering the skills for the on-premise landscape

Private cloud is growing. We can expect more DevOps roles in future asking for private cloud skills. ‼️ Do you know what these skills are?

07 Jul, 2025 | 5 min read

The Rise, Reign, and Reinvention of CentOS: A Linux Legacy

CentOS—the much loved Linux distro of DevOps engineers and Sysadmins alike—is now EOS. I know, some of you are still running it in production. But eventually those have to be replaced. What options do we have now?

02 Jul, 2025 | 8 min read

How to run Kubernetes on bare-metal with cloud-like agility

Kubernetes is synonymous with agility and scalability—but that agility can be surprisingly elusive when your clusters are grounded on bare-metal.

24 Jun, 2025 | 5 min read