DEV Community: ITBASE

5 Common Mistakes Beginners Make When Learning DevOps

ITBASE — Thu, 08 Oct 2026 14:53:26 +0000

5 Common Mistakes Beginners Make When Learning DevOps

When you first start learning DevOps, it's easy to feel like you need to learn everything.

You open YouTube and see tutorials about Linux, Docker, Kubernetes, Terraform, AWS, Jenkins, GitHub Actions, and dozens of other tools.

Everyone seems to recommend a different learning path.

After spending time learning DevOps and working through practical exercises, I've noticed a few common mistakes that can make the process harder than it needs to be.

Here are five worth avoiding.

1. Trying to learn too many tools at once

This is probably one of the biggest mistakes.

You start learning Linux, then see a Docker tutorial, then suddenly you're watching Kubernetes videos without fully understanding containers.

The problem isn't that these tools are bad. It's that they build on concepts you may not have learned yet.

I think a better approach is to focus on one topic at a time.

For example, get comfortable with Linux and networking, then learn Git, then Docker.

You don't need to master every tool before moving forward, but you should understand the basics well enough to use them without constantly following a tutorial.

2. Watching tutorials without practicing

Watching someone build a Docker container or configure a CI/CD pipeline can make everything look simple.

But there's a big difference between understanding what someone is doing in a video and being able to do it yourself.

A useful habit is to finish a tutorial, close it, and try to repeat the process without looking at the instructions.

If you get stuck, that's fine. Figuring out why something isn't working is part of learning.

Even a small project can teach you more than several hours of passive watching.

3. Skipping Linux and networking

It's tempting to jump straight into Kubernetes or cloud services because those are the tools you see in job descriptions.

But a lot of problems you'll encounter later come back to basic Linux and networking concepts.

For example, if a container can't communicate with another service, understanding ports, DNS, and IP addresses becomes important.

If an application fails to start, knowing how to inspect logs, processes, and permissions can save you a lot of time.

These fundamentals might not be the most exciting topics, but they're worth learning properly.

4. Learning commands without understanding the workflow

Knowing Git commands doesn't automatically mean you understand how Git is used in a team.

The same applies to Docker, CI/CD, and other DevOps tools.

Instead of just memorizing commands, try to understand how the tools work together.

For Git, you could create a repository, make a feature branch, commit changes, push it to GitHub, and open a pull request.

For Docker, you could take a simple application, write a Dockerfile, build an image, and run it.

The goal is to understand why you're doing each step, not just which command to type.

5. Waiting too long before building projects

A lot of beginners think they need to finish learning every DevOps tool before starting a project.

I don't think that's necessary.

You can start building small projects with the tools you already know.

After learning Linux, create a simple server administration lab.

After learning Git, practice a complete GitHub workflow.

After learning Docker, containerize a small application.

Later, you can combine these skills into larger projects involving CI/CD, cloud infrastructure, and monitoring.

Projects also give you something useful to document on GitHub and discuss when applying for opportunities.

Final thoughts

DevOps is a broad field, and there's always going to be another tool or technology to learn.

I think the most important thing for beginners is to build a solid foundation, practice consistently, and avoid comparing their progress with people who have been working in the field for years.

You don't need to learn everything at once.

Focus on understanding what you're learning and gradually connecting the pieces together.

I've also put together a structured DevOps beginner roadmap for anyone who prefers having the learning topics organized in one place.

You can find it here:

https://itbase.gumroad.com/

I'm curious what other people think. What's one mistake you made when you first started learning DevOps?

The DevOps Roadmap I Wish I Had as a Beginner in 2026

ITBASE — Wed, 07 Oct 2026 12:46:38 +0000

If you're starting DevOps, one of the first problems you'll probably face is figuring out where to start.

There are so many tools people tell you to learn: Linux, Git, Docker, Kubernetes, AWS, Terraform, CI/CD, and a lot more.

Finding tutorials for these tools isn't really the problem. The difficult part is knowing what to learn first and when you're ready to move to the next thing.

I've been learning DevOps myself, and one thing I've noticed is that jumping from one tool to another without a clear order makes everything more confusing.

So I wanted to share the learning path that makes the most sense to me.

1. Linux

I would start with Linux before getting into Docker, Kubernetes, or cloud platforms.

You don't need to know everything about Linux. At the beginning, I think it's more important to get comfortable using the terminal and understand things like:

Files and directories
Permissions
Users and groups
Processes
Package management
SSH
Basic Bash commands
Basic networking commands

The goal isn't to become a Linux expert. You just want to reach the point where using the terminal doesn't feel uncomfortable anymore.

2. Networking

Networking is another thing I wouldn't skip.

Once you start working with servers, containers, cloud services, and Kubernetes, you'll constantly run into networking concepts.

I would make sure I understand at least:

IP addresses
DNS
Ports
TCP/IP
HTTP and HTTPS
Subnets
Firewalls
Public and private IP addresses

You don't need networking-engineer-level knowledge, but having a good foundation makes the later topics much easier to understand.

3. Git and GitHub

After that, I would spend some time learning Git properly.

The basic commands are important:

git clone
git status
git add
git commit
git push
git pull
git branch
git merge

But I don't think memorizing commands is enough.

Create a repository, make a new branch, change something, commit it, push the branch, open a pull request, and merge it.

Also practice creating and solving a merge conflict at least once.

That helped me understand Git much more than just watching tutorials.

4. Docker

Once Linux and Git start making sense, I would move to Docker.

Start with the basics:

Images
Containers
Dockerfiles
Volumes
Networks
Docker Compose

Then find a simple application and try to containerize it yourself.

Writing your own Dockerfile and fixing the problems you run into teaches you much more than just running commands from a tutorial.

5. CI/CD

After Git and Docker, CI/CD starts making a lot more sense.

GitHub Actions is a good place to start.

Try creating a simple pipeline that runs automatically when you push code.

For example:

Push code to GitHub
Run tests
Build the application
Build a Docker image

You can make the pipeline more complicated later.

At the beginning, I think understanding why you're automating these steps is more important than building a huge pipeline.

6. Pick one cloud platform

I wouldn't try to learn AWS, Azure, and Google Cloud at the same time.

Pick one and learn the fundamentals.

Focus on things like:

Virtual machines
Storage
Networking
IAM
Firewalls or security groups
Load balancing
Monitoring

There are hundreds of cloud services, so trying to learn all of them isn't realistic.

I think it's better to understand how a basic application can be hosted in the cloud first.

7. Terraform

Once you understand how to create basic cloud infrastructure manually, Terraform becomes much easier to understand.

Start with:

Providers
Resources
Variables
Outputs
State
Modules

A simple first project could be creating a virtual machine and its network using Terraform instead of creating everything manually.

That makes the purpose of Infrastructure as Code much clearer.

8. Kubernetes

I personally wouldn't start Kubernetes too early.

It can be confusing if you're still trying to understand containers and networking at the same time.

Once you're comfortable with Linux, networking, and Docker, start learning:

Pods
Deployments
Services
ConfigMaps
Secrets
Namespaces
Ingress

Then take an application you've already containerized and try deploying it to Kubernetes.

9. Monitoring

Another topic that's easy to forget as a beginner is monitoring.

Getting an application running is only part of the job. You also need to know what happens when something goes wrong.

Some things worth learning are:

Logs
Metrics
Alerts
Prometheus
Grafana

Even a small monitoring project can teach you a lot about how applications behave after deployment.

10. Build projects

This is probably the part I would focus on the most.

It's easy to spend months watching tutorials and feel like you're making progress, but eventually you need to build things without following someone step by step.

Try connecting the tools you've learned.

For example:

GitHub -> CI/CD -> Docker -> Cloud -> Kubernetes -> Monitoring

It doesn't have to be a huge project.

A smaller project that you actually understand is much better than copying a complicated project from a tutorial.

Also document your projects on GitHub. Explain what you built, what tools you used, what went wrong, and how you fixed it.

The order I would follow

If I had to simplify everything into one learning path, mine would look like this:

Linux -> Networking -> Git/GitHub -> Docker -> CI/CD -> Cloud -> Terraform -> Kubernetes -> Monitoring -> Projects

I'm still learning as well, so I don't look at this as a perfect or universal roadmap.

It's simply the order that has made the most sense to me after spending time learning these tools.

I also put together a more structured DevOps beginner roadmap for anyone who wants the learning path in one place.

You can find it here:

https://itbase.gumroad.com/

If you're learning DevOps too, I'm curious what you're currently working on and whether you'd change anything in this order.