DevOps Roadmap

Step 1 : Linux Fundamentals

• CLI ( BASH )
• Process & Permission : ps,kill,chmod
• package management : apt,yum
• Text editors : vim

Step 2: Networking & Security concepts

• OSI, TCP/IP models
• Different protocols : http, https, ssh etc.
• IP addresses, subnetting, DNS
• Network issues
• firewalls, proxy servers

Going forward : load balancers & caching servers.

Step 3 : Scripting (Programming language)

popular options : Python, Ruby, Golang

• Syntax & fundamentals
• Useful libraries
• File handling
• Writing automation scripts

Step 4 : Version Control (git)

• imp. Git commands : init, clone, add, commit, push, pull, merge, rebase etc.
• concept of branching
• merging & merge conflict resolution
• working with remote repos

Step 5 : Cloud

popular options : AWS, Azure, GCP

• configure & manage servers & data (EC2, S3, RDS)
• manage users, groups & roles (IAM)
• setup & manage isolated networks (VPC)

Step 6 : Microservices & Containers

popular option : Docker

• overview of virtualization & containerization
• docker images & managing containers
• docker commands : run, ps, build etc.
• writing docker files
• using docker compose

Step 7 : CI/CD

• popular options : Jenkins, Github Actions CI/CD, Gitlab CI, Circle CI, Travis CI

Step 8 : Infrastructure as Code (IaC)

Provisioning : Terraform ( Alt : Pulumi )
Configuring : Ansible ( Alt : Puppet,Chef )

Step 9 : Orchestration & Management

popular option : Kubernetes

• creating & managing k8s clusters
• deployment of applications on k8s
• k8s commands : apply, build, delete etc.

Step 10 : Monitoring & Logging

• popular option : Prometheus, Grafana Alt : ELK, Fluentd, AWS CloudWatch