AI Engineeringpython8 min
LiteLLM Complete Guide: Setup, Routing, and Multi-Provider LLM Gateway
A deep, hands-on guide to deploying LiteLLM as a production-ready LLM gateway with routing, failover, and cost optimization.
Tutorials
Cloud & DevOps Tutorials
31 tutorials
Kubernetesyaml9 min
Kubernetes RBAC: Roles, ClusterRoles and ServiceAccounts
Master Kubernetes Role-Based Access Control (RBAC) by learning to create and manage Roles, ClusterRoles, and ServiceAccounts. This hands-on guide covers authentication, authorization, and practical exam scenarios for CKA certification.
AI Engineeringpython9 min
LangChain Complete Guide: Build LLM Apps with Python
Learn to build production-ready LLM applications using LangChain. This hands-on tutorial covers chains, agents, memory management, and integration with AWS services—essential knowledge for the AWS Certified AI Practitioner (AIF-C01) exam.
HashiCorphcl9 min
Terraform Complete Guide: Infrastructure as Code from Scratch
Master Terraform fundamentals with hands-on examples. Learn state management, resource configuration, and best practices for the HashiCorp Certified Terraform Associate certification.
Kubernetesyaml10 min
Kubernetes Networking: Services, Ingress and Network Policies
Master Kubernetes networking for the CKA exam. Learn how Services expose applications, Ingress routes external traffic, and Network Policies enforce security boundaries. Includes hands-on examples and exam-focused strategies.
Kubernetesbash9 min
Helm Complete Guide: Charts, Repositories and Deployments
Master Helm package management for Kubernetes. Learn to create, manage, and deploy charts, work with repositories, and implement production-grade deployments. Essential knowledge for CKA certification.
Linuxbash9 min
Linux Cron Jobs: Real-World Scheduling, Failures & Monitoring (LFCS Exam Guide)
A comprehensive guide to mastering cron jobs for Linux system administration. Learn to create, schedule, and monitor automated tasks for LFCS certification readiness.
Linuxbash9 min
Linux Networking: ip, ss, netstat, firewalld and Troubleshooting
Master essential Linux networking tools and firewall management for RHCSA certification. Learn to configure interfaces, diagnose network issues, and secure systems with firewalld.
GCPbash10 min
Google Kubernetes Engine (GKE): Deploy and Scale Clusters
Master GKE cluster deployment, scaling strategies, and production-ready configurations for the Google Cloud Professional Cloud Architect certification. Learn hands-on cluster creation, node pool management, and autoscaling with real-world examples.
AWSbash11 min
AWS VPC Deep Dive: Subnets, Route Tables and Security Groups
Master the core networking components of AWS VPCs including subnet design, routing configurations, and security group management. This hands-on tutorial prepares you for the AWS Solutions Architect Associate certification with practical examples and exam-focused insights.
Linuxbash8 min
sed and awk Complete Guide: Text Processing for DevOps
Master sed and awk for efficient text processing in Linux systems administration. Learn stream editing, pattern matching, and data transformation techniques essential for LFCS certification and DevOps workflows.
GCPsql9 min
BigQuery Complete Guide: SQL, Datasets and Cost Optimization
Master BigQuery SQL querying, dataset management, and cost optimization strategies essential for the Google Cloud Professional Data Engineer certification. Learn practical techniques through hands-on examples.
Azurebash12 min
Azure Kubernetes Service (AKS): Deploy and Manage Clusters
A comprehensive guide to deploying, configuring, and managing Azure Kubernetes Service clusters. Learn cluster creation, networking, scaling, monitoring, and troubleshooting essential for Azure Administrator certification.
AWSyaml11 min
AWS CloudFormation Tutorial: IaC Templates from Scratch
Learn to build production-ready Infrastructure as Code templates using AWS CloudFormation YAML syntax. This hands-on guide covers template fundamentals, resource declarations, parameters, outputs, and best practices essential for AWS SysOps Administrator Associate certification.
Azurebash9 min
Azure Virtual Machines: Deploy, Configure and Manage VMs
A comprehensive hands-on guide for deploying, configuring, and managing Azure Virtual Machines using Azure CLI and PowerShell. This tutorial covers VM creation, networking, storage, and management tasks essential for the AZ-104 Azure Administrator certification.
AWSpython11 min
AWS Lambda Complete Guide: Functions, Triggers and Deployment
Master AWS Lambda from basics to production-ready deployments. Learn function creation, trigger configuration, and deployment strategies essential for the AWS Solutions Architect Associate (SAA-C03) certification.
AI Engineeringpython10 min
OpenAI API Tutorial: GPT-4o, Function Calling and Streaming
A hands-on tutorial covering OpenAI API integration with GPT-4o, including function calling for structured outputs and real-time streaming responses. Relevant to AWS Certified AI Practitioner (AIF-C01) candidates who need to understand LLM API patterns, tool use, and AI application architecture.
python11 min
Prompt Engineering Guide: Chain of Thought, Few-Shot and RAG
A hands-on tutorial covering advanced prompt engineering techniques including Chain of Thought reasoning, Few-Shot learning, and Retrieval-Augmented Generation using the Claude API. Designed for cloud engineers preparing for the Claude AI Developer Certification.
python11 min
Claude API Python Tutorial: Complete Quickstart Guide 2026
A hands-on guide for cloud engineers and certification students covering Claude API integration with Python, including authentication, message handling, streaming responses, and best practices for the Claude AI Developer Certification exam.
Kubernetesyaml9 min
Docker Compose Complete Guide: Multi-Container Apps from Scratch
A hands-on tutorial covering Docker Compose fundamentals, multi-container application orchestration, networking, volumes, and environment management — with direct relevance to CKAD exam concepts around multi-container pods and application configuration.
Kubernetesyaml10 min
Kubernetes Deployments: Rolling Updates, Rollbacks and Scaling
Master Kubernetes Deployments with hands-on examples covering rolling updates, rollbacks, and horizontal scaling. Essential knowledge for CKA exam candidates and production Kubernetes engineers.
Kubernetesbash9 min
kubectl Complete Command Reference: Pods, Deployments and Services
A hands-on reference guide covering essential kubectl commands for managing Pods, Deployments, and Services in Kubernetes. Includes real working examples, common pitfalls, and targeted CKA exam tips for cloud engineers and certification students.
Linuxbash9 min
Bash Scripting for DevOps: Variables, Loops and Automation
Master Bash scripting fundamentals including variables, loops, conditionals, and automation patterns essential for the Linux Foundation Certified SysAdmin (LFCS) exam and real-world DevOps workflows.
Linuxbash8 min
systemd Service Management: Start, Stop, Enable and Create Services
A hands-on guide to managing systemd services on RHEL-based systems — covering starting, stopping, enabling, and creating custom unit files. Essential knowledge for the RHCSA exam and real-world Linux administration.
Linuxbash9 min
Linux File Permissions Explained: chmod, chown and umask
A hands-on guide to Linux file permissions covering chmod, chown, and umask for cloud engineers and RHCSA certification students. Learn symbolic and octal notation, ownership management, and default permission masking with real working commands.
GCPbash9 min
Google Cloud gcloud CLI: Complete Setup and Command Reference
A hands-on guide to installing, configuring, and using the gcloud CLI for Google Cloud. Covers authentication, project management, compute, and storage commands essential for cloud engineers and Google Cloud Digital Leader exam candidates.
Azurebash11 min
Azure RBAC Explained: Roles, Assignments and Best Practices
A hands-on guide to Azure Role-Based Access Control covering built-in roles, custom role definitions, scope hierarchy, and assignment strategies — mapped directly to AZ-104 exam objectives.
Azurebash10 min
Azure CLI Complete Guide: Install, Configure and Essential Commands
A hands-on guide to installing, configuring, and using the Azure CLI for cloud engineers and AZ-104 certification students. Covers authentication, resource management, and real-world command patterns.
AWSbash9 min
AWS CLI Setup and Essential Commands for Cloud Engineers
A hands-on guide to installing, configuring, and using the AWS CLI for everyday cloud engineering tasks. Covers credential setup, core service commands, and exam-relevant concepts for the AWS Cloud Practitioner (CLF-C02) certification.
AWSbash9 min
AWS IAM Explained: Users, Roles, Policies and Best Practices
A hands-on guide to AWS Identity and Access Management covering users, roles, policies, and security best practices for cloud engineers preparing for the AWS Solutions Architect Associate (SAA-C03) exam.
AWSbash10 min
AWS S3 Complete Guide: Buckets, Permissions and CLI Commands
A hands-on guide to AWS S3 covering bucket creation, IAM permissions, bucket policies, ACLs, and essential CLI commands. Designed for cloud engineers and AWS Solutions Architect Associate (SAA-C03) exam candidates.