𝗗𝗲𝘃𝗢𝗽𝘀 𝗥𝗼𝗮𝗱𝗺𝗮𝗽 𝟮𝟬𝟮𝟲
𝟭. 𝗟𝗶𝗻𝘂𝘅 𝗙𝘂𝗻𝗱𝗮𝗺𝗲𝗻𝘁𝗮𝗹𝘀
Start by mastering Linux since most DevOps tools and servers run on Linux.
🔹 Distributions: Ubuntu, Red Hat, Debian, CentOS
🔹 Shell & CLI: Bash scripting, cron jobs, environment variables
🔹 Package Management: apt, yum, dnf
🔹 Process & System Monitoring: top, htop, systemctl, journalctl
🔹 File Permissions & Security
𝟮. 𝗩𝗲𝗿𝘀𝗶𝗼𝗻 𝗖𝗼𝗻𝘁𝗿𝗼𝗹
Version control is essential for collaboration and automation.
🔹 Git fundamentals
🔹 Branching strategies (Git Flow, Trunk-Based Development)
🔹 GitHub, GitLab, Bitbucket workflows
🔹 Pull Requests & Code Reviews
🔹 Repository security & secrets management
𝟯. 𝗡𝗲𝘁𝘄𝗼𝗿𝗸𝗶𝗻𝗴
Networking knowledge is critical for deployment and troubleshooting.
🔹 OSI & TCP/IP models
🔹 DNS, HTTP/HTTPS, SSL/TLS
🔹 Load balancing concepts
🔹 Reverse proxies (NGINX, HAProxy)
🔹 Firewalls & VPNs
𝟰. 𝗖𝗹𝗼𝘂𝗱 𝗖𝗼𝗺𝗽𝘂𝘁𝗶𝗻𝗴
Cloud platforms power modern DevOps pipelines.
Providers:
🔹 AWS
🔹 Microsoft Azure
🔹 Google Cloud Platform
Concepts:
🔸 IaaS, PaaS, SaaS
🔸 Serverless architecture
🔸 Multi-cloud & hybrid cloud
🔸 High availability & scalability
𝟱. 𝗖𝗼𝗻𝘁𝗮𝗶𝗻𝗲𝗿𝗶𝘇𝗮𝘁𝗶𝗼𝗻
Containers ensure consistency across environments.
🔹 Docker fundamentals
🔹 Dockerfiles & image optimization
🔹 Docker Compose
🔹 Container networking
🔹 Container security best practices
𝟲. 𝗖𝗼𝗻𝘁𝗮𝗶𝗻𝗲𝗿 𝗢𝗿𝗰𝗵𝗲𝘀𝘁𝗿𝗮𝘁𝗶𝗼𝗻
Manage containers at scale.
🔹 Kubernetes architecture
🔹 Pods, Deployments, Services
🔹 Helm package manager
🔹 Service Mesh (Istio, Linkerd)
🔹 Cluster monitoring & scaling
𝟳. 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 𝗮𝘀 𝗖𝗼𝗱𝗲 (𝗜𝗮𝗖)
Automate infrastructure provisioning.
Configuration Management:
🔹 Ansible
🔹 Puppet
🔹 Chef
Provisioning Tools:
🔸 Terraform
🔸 AWS CloudFormation
🔸 Crossplane
𝟴. 𝗖𝗜/𝗖𝗗 𝗣𝗶𝗽𝗲𝗹𝗶𝗻𝗲𝘀
Automate build, test, and deployment workflows.
🔹 Jenkins
🔹 GitHub Actions
🔹 GitLab CI/CD
🔹 Azure DevOps
🔹 ArgoCD & Spinnaker
🔹 Blue/Green & Canary deployments
𝟵. 𝗢𝗯𝘀𝗲𝗿𝘃𝗮𝗯𝗶𝗹𝗶𝘁𝘆 & 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴
Understand system performance and reliability.
Monitoring:
🔹 Prometheus
🔹 Grafana
🔹 Datadog
Logging:
🔸 ELK Stack (Elasticsearch, Logstash, Kibana)
🔸 Fluentd
🔸 Splunk
Tracing:
🔹 Jaeger
🔹 OpenTelemetry
𝟭𝟬. 𝗦𝗲𝗰𝗨𝗿𝗶𝘁𝘆 & 𝗗𝗲𝘃𝗦𝗲𝗰𝗢𝗽𝘀
Integrate security into the DevOps lifecycle.
🔹 Secrets management (Vault, AWS Secrets Manager)
🔹 Container security scanning
🔹 Policy enforcement (OPA, Kyverno)
🔹 Vulnerability scanning (Trivy, Snyk)
🔹 Identity & access management
𝟭𝟭. 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗦𝗰𝗿𝗶𝗽𝘁𝗶𝗻𝗴
Automation is the core of DevOps efficiency.
🔹 Bash scripting
🔹 Python for automation
🔹 Infrastructure automation workflows
🔹 Task scheduling & workflow automation
𝟭𝟮. 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 & 𝗚𝗶𝘁𝗢𝗽𝘀
Modern DevOps is evolving toward platform engineering.
🔹 Internal Developer Platforms (IDP)
🔹 GitOps workflows
🔹 ArgoCD & Flux
🔹 Self-service infrastructure
𝟭𝟯. 𝗥𝗲𝗮𝗹-𝗪𝗼𝗿𝗹𝗱 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀
Practice to master DevOps.
🔹 Deploy microservices using Kubernetes
🔹 Build CI/CD pipeline for full-stack apps
🔹 Implement infrastructure automation
🔹 Build monitoring dashboards
🔹 Deploy serverless applications
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