What Does a DevOps Engineer Actually Do?
Step 1: Master Linux (Non-Negotiable)
Step 2: Learn Networking Basics
Step 3: Learn Git & GitHub
Step 4: Learn Shell Scripting
Step 5: Learn Python (Basic DevOps Level)
Step 6: Learn Cloud Computing
Step 7: Learn Docker
Step 8: Learn Kubernetes
Step 9: Learn CI/CD
Step 10: Infrastructure as Code (IaC)
Step 11: Monitoring & Observability
Step 12: Learn DevSecOps Basics
Step 13: Build Real Projects
Project 1
Project 2
Project 3
Project 4
Project 5
Project 6
Step 14: Certifications (Optional)
Common Beginner Mistakes
1. Tool collecting
2. Skipping Linux
3. Ignoring networking
4. Watching tutorials without building
5. Memorizing commands
90-Day Learning Plan
Month 1
Month 2
Month 3
How to Get Your First DevOps Job
Final Advice The DevOps roadmap has changed. A few years ago, learning Linux + Docker + Jenkins was enough to land interviews. In 2026? Not anymore. Companies now expect engineers who understand automation, cloud infrastructure, containers, CI/CD, monitoring, security, and real-world troubleshooting. You do not need a computer science degree.
You do not need to memorize 500 commands.And you definitely do not need to buy expensive courses. You need the right roadmap. This guide shows exactly what to learn to become a DevOps Engineer in 2026. Before learning tools, understand the job. A DevOps engineer helps teams: Developers write code. DevOps engineers make sure that code runs reliably in production. If DevOps had a native language, it would be Linux. Most servers in cloud environments run Linux. Do not memorize blindly. Understand command categories. Set up your own Linux VM and manage it like a production server. Many beginners skip networking. If a deployment fails, networking is often the reason. Understand questions like: DevOps engineers work with source code pipelines. Create a GitHub repo for every DevOps project. Automation starts here. If you manually repeat tasks, script them. Do you need advanced Python? Basic automation skills are enough. Most DevOps jobs are cloud-based. Pick one cloud provider. Best choice for beginners: Deploy a simple application on AWS. Containers changed everything. Containerize a Node.js or Python app. This is where many beginners panic. Learn fundamentals first. Deploy a multi-container app to Kubernetes. DevOps without CI/CD is incomplete. Manual cloud setup doesnβt scale. Terraform = provisioning
Ansible = configuration Production systems fail. Monitoring catches failures early. Security is no longer optional. Projects matter more than certificates. Linux server hardening lab Dockerized application deployment Jenkins CI/CD pipeline Terraform AWS infrastructure automation Kubernetes application deployment Monitoring dashboard with Grafana Helpful, but not mandatory. Learning 20 tools superficially. Master fundamentals first. DevOps troubleshooting depends on networking. Passive learning does not create engineers. Understand concepts instead. Deploy real applications. Recruiters love proof. DevOps is not about collecting certifications. Itβs about solving infrastructure problems with automation. Thatβs how DevOps engineers are made. If you're starting your DevOps journey in 2026, what are you learning first? Templates let you quickly answer FAQs or store snippets for re-use. Hide child comments as well For further actions, you may consider blocking this person and/or reporting abuse
$ ls
cd
pwd
cp
mv
rm
chmod
chown
ps
top
kill
df
du
-weight: 500;">systemctl
journalctl
grep
find
ssh
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tar
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cd
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chmod
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ps
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kill
df
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-weight: 500;">systemctl
journalctl
grep
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scp
tar
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cd
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ps
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-weight: 500;">systemctl
journalctl
grep
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-weight: 500;">curl
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-weight: 500;">git init
-weight: 500;">git clone
-weight: 500;">git add
-weight: 500;">git commit
-weight: 500;">git push
-weight: 500;">git pull
-weight: 500;">git branch
-weight: 500;">git merge
-weight: 500;">git checkout
-weight: 500;">git init
-weight: 500;">git clone
-weight: 500;">git add
-weight: 500;">git commit
-weight: 500;">git push
-weight: 500;">git pull
-weight: 500;">git branch
-weight: 500;">git merge
-weight: 500;">git checkout
-weight: 500;">git init
-weight: 500;">git clone
-weight: 500;">git add
-weight: 500;">git commit
-weight: 500;">git push
-weight: 500;">git pull
-weight: 500;">git branch
-weight: 500;">git merge
-weight: 500;">git checkout
#!/bin/bash backup_dir="/backup" tar -czf backup.tar.gz /var/www echo "Backup completed"
#!/bin/bash backup_dir="/backup" tar -czf backup.tar.gz /var/www echo "Backup completed"
#!/bin/bash backup_dir="/backup" tar -czf backup.tar.gz /var/www echo "Backup completed"
import requests response = requests.get("https://api.github.com") print(response.status_code)
import requests response = requests.get("https://api.github.com") print(response.status_code)
import requests response = requests.get("https://api.github.com") print(response.status_code)
-weight: 500;">docker build
-weight: 500;">docker run
-weight: 500;">docker ps
-weight: 500;">docker -weight: 500;">stop
-weight: 500;">docker logs
-weight: 500;">docker exec
-weight: 500;">docker images
-weight: 500;">docker-compose up
-weight: 500;">docker build
-weight: 500;">docker run
-weight: 500;">docker ps
-weight: 500;">docker -weight: 500;">stop
-weight: 500;">docker logs
-weight: 500;">docker exec
-weight: 500;">docker images
-weight: 500;">docker-compose up
-weight: 500;">docker build
-weight: 500;">docker run
-weight: 500;">docker ps
-weight: 500;">docker -weight: 500;">stop
-weight: 500;">docker logs
-weight: 500;">docker exec
-weight: 500;">docker images
-weight: 500;">docker-compose up
FROM nginx
COPY . /usr/share/nginx/html
FROM nginx
COPY . /usr/share/nginx/html
FROM nginx
COPY . /usr/share/nginx/html
-weight: 500;">kubectl get pods
-weight: 500;">kubectl get svc
-weight: 500;">kubectl describe pod
-weight: 500;">kubectl logs
-weight: 500;">kubectl apply -f
-weight: 500;">kubectl delete -f
-weight: 500;">kubectl get pods
-weight: 500;">kubectl get svc
-weight: 500;">kubectl describe pod
-weight: 500;">kubectl logs
-weight: 500;">kubectl apply -f
-weight: 500;">kubectl delete -f
-weight: 500;">kubectl get pods
-weight: 500;">kubectl get svc
-weight: 500;">kubectl describe pod
-weight: 500;">kubectl logs
-weight: 500;">kubectl apply -f
-weight: 500;">kubectl delete -f
pipeline { agent any stages { stage('Build') { steps { echo 'Building...' } } stage('Test') { steps { echo 'Testing...' } } }
}
pipeline { agent any stages { stage('Build') { steps { echo 'Building...' } } stage('Test') { steps { echo 'Testing...' } } }
}
pipeline { agent any stages { stage('Build') { steps { echo 'Building...' } } stage('Test') { steps { echo 'Testing...' } } }
}
resource "aws_instance" "web" { ami = "ami-123456" instance_type = "t2.micro"
}
resource "aws_instance" "web" { ami = "ami-123456" instance_type = "t2.micro"
}
resource "aws_instance" "web" { ami = "ami-123456" instance_type = "t2.micro"
} - Build software faster
- Deploy applications automatically
- Reduce production failures
- Monitor systems
- Scale infrastructure
- Automate repetitive work - File system navigation
- Permissions
- Users and groups
- Process management
- Package management
- Services (-weight: 500;">systemctl)
- Networking basics
- Disk management - File operations β cp, mv, rm
- Process management β ps, top, kill
- Permissions β chmod, chown - IP addresses
- HTTP vs HTTPS
- Load balancing
- Reverse proxies - Why is port 8080 not accessible?
- Why does DNS fail?
- Why does a container connect locally but not externally? - Merge conflicts
- Pull requests
- Repositories - Input/output - Automated backup script
- Disk usage alert script
- User creation automation
- Log cleanup script - Dictionaries
- File handling
- Requests library - Infrastructure automation
- API integrations
- Cloud automation
- Monitoring scripts - Load Balancer
- Auto Scaling - Shared responsibility model
- Security groups
- Networking in cloud - Docker Compose - Deployments
- ReplicaSets
- Persistent Volumes - Build stages
- Test stages
- Deployment stages - GitHub Actions - Alertmanager - Application logs
- Error rates - Why is CPU at 100%?
- Why is memory leaking?
- Why is the app crashing? - Secret management
- Container scanning
- IAM security
- Least privilege
- Dependency vulnerabilities - OWASP basics - AWS Cloud Practitioner
- AWS Solutions Architect Associate - Shell scripting - Python basics - GitHub portfolio
- LinkedIn profile
- Resume with projects - CI/CD pipelines
- Docker projects
- Terraform code
- Kubernetes manifests
