100-Days-Of-DevOps-Challenge-KodeKloud
🚀 100 Days of DevOps Challenge [KodeKloud]
Complete DevOps learning path with hands-on labs covering Linux, Docker, Kubernetes, Git, Ansible, and more!
This repository contains comprehensive solutions and detailed explanations for the 100 Days of DevOps Challenge by KodeKloud. Perfect for beginners and professionals looking to master DevOps tools and practices.
🎯 What You’ll Learn
- Linux Administration - User management, networking, security
- Containerization - Docker, Docker Compose, container orchestration
- Kubernetes - Pods, deployments, services, volumes, troubleshooting
- Version Control - Git workflows, branching, merging, hooks
- Configuration Management - Ansible automation
- Web Servers - Nginx, Apache, load balancing, SSL
- Databases - MySQL, PostgreSQL, MariaDB
- Infrastructure as Code - Terraform, YAML configurations, best practices
🚀 Quick Start
- Star this repository ⭐ to keep track of your progress
- Fork the repo to create your own copy
- Start with Day 001 - Linux User Setup
- Follow the daily challenges in order
- Share your progress using
#100DaysOfDevOps
Want to start the official challenge? Use this KodeKloud link - it helps support this project!
Challenge Progress
Learning Modules
| Module | Days | Topics Covered | Status |
|---|---|---|---|
| Linux Fundamentals | 1-20 | User management, SSH, scripting, networking | ✅ Complete |
| Version Control | 21-34 | Git workflows, branching, hooks | ✅ Complete |
| Containerization | 35-47 | Docker, Docker Compose, networking | ✅ Complete |
| Kubernetes | 48-67 | Pods, deployments, volumes, troubleshooting | ✅ Complete |
| CI/CD, IaC, Automation | 68-100 | Jenkins, Terraform, Ansible | ⏳ In Progress |
Daily Challenges
| Day | Challenge | Topics | Solution |
|---|---|---|---|
| 001 | Linux User Setup with Non-interactive Shell | Linux, Kubernetes | Solution |
| 002 | Temporary User Setup with Expiry Date | Linux | Solution |
| 003 | Secure SSH Root Access | Linux, Kubernetes | Solution |
| 004 | Script Execute Permissions | Linux, Git | Solution |
| 005 | Install and Configuration Selinux | Linux, Security | Solution |
| 006 | Setup a Cron Job | Linux, Kubernetes | Solution |
| 007 | Linux SSH Automation | Linux, Ansible | Solution |
| 008 | Setup Ansible | Linux, Ansible | Solution |
| 009 | Debugging MariaDB Issues | Linux, Database | Solution |
| 010 | Create a BASH Script | Linux, Networking | Solution |
| 011 | Install and Setup Tomcat Server | Linux, Networking | Solution |
| 012 | Linux Network Services | Linux, Networking | Solution |
| 013 | IPtables Installation And Configuration | Linux, Networking | Solution |
| 014 | Linux Process Troubleshooting | Linux, Networking | Solution |
| 015 | Setup SSL for NGINX | Linux, Nginx | Solution |
| 016 | Install and Configure NGINX as Load Balancer | Linux, Networking | Solution |
| 017 | Install and Configure PostgreSQL | Linux, Database | Solution |
| 018 | Configure LAMP Server (LAMP Stack) | Linux, Database | Solution |
| 019 | Install and Configure Web Application | Linux, Networking | Solution |
| 020 | Configure Nginx + PHP-FPM Using Unix Sock | Linux, Nginx | Solution |
| 021 | Setup Git Repository on Server | Git | Solution |
| 022 | Clone Git Repository | Git, Linux | Solution |
| 023 | Fork a repository | Git, Linux | Solution |
| 024 | Git Branch Create | Git | Solution |
| 025 | Git Branch Merge | Git, Linux | Solution |
| 026 | Git Manage Remotes | Git | Solution |
| 027 | Git Revert Some Changes | Git, Networking | Solution |
| 028 | Git Cherry Pick | Git | Solution |
| 029 | Git Pull Request | Git, Linux | Solution |
| 030 | Git Reset Hard | Git, Linux | Solution |
| 031 | Git Stash | Git, Linux | Solution |
| 032 | Git Rebase | Git | Solution |
| 033 | Git Merge Conflict Resolve | Git, Linux | Solution |
| 034 | Configure Git Hook | Git, Linux | Solution |
| 035 | Setup Docker Installation | Linux, Docker | Solution |
| 036 | Run a NGINX Container on Docker | Docker, Kubernetes | Solution |
| 037 | Copy File to Docker Container | Docker, Kubernetes | Solution |
| 038 | Docker Pull Images | Docker | Solution |
| 039 | Create a Docker Image From a Container | Docker, Git | Solution |
| 040 | Docker Execution | Linux, Docker | Solution |
| 041 | Create a Docker File | Docker, Networking | Solution |
| 042 | Create Docker Network | Docker, Networking | Solution |
| 043 | Docker Ports Mapping | Docker, Kubernetes | Solution |
| 044 | Creating a Docker Compose File | Docker, Networking | Solution |
| 045 | Resolve Dockerfile Issues | Docker, Networking | Solution |
| 046 | Deploy an App on Docker Containers | Docker, Kubernetes | Solution |
| 047 | Docker Python App | Docker, Networking | Solution |
| 048 | Deploy Pods in Kubernetes Cluster | Kubernetes, Docker | Solution |
| 049 | Deploy Applications with Kubernetes Deployments | Kubernetes, Docker | Solution |
| 050 | Set Resource Limits in Kubernetes Cluster | Kubernetes, Docker | Solution |
| 051 | Execute Rolling Updates in Kubernetes | Kubernetes, Docker | Solution |
| 052 | Execute Rollback in Kubernetes Cluster | Kubernetes, Docker | Solution |
| 053 | Resolve VolumeMounts Issue in Kubernetes | Kubernetes, Docker | Solution |
| 054 | Kubernetes Shared Volumes | Kubernetes, Docker | Solution |
| 055 | Kubernetes Sidecar Containers | Kubernetes, Docker | Solution |
| 056 | Deploy Nginx Web Server on Kubernetes Cluster | Kubernetes, Docker | Solution |
| 057 | Print Environment Variables | Kubernetes, Linux | Solution |
| 058 | Deploy Grafana on Kubernetes Cluster | Kubernetes, Docker | Solution |
| 059 | Troubleshoot Deployment Issues in Kubernetes | Kubernetes, Networking | Solution |
| 060 | Persistent Volumes in Kubernetes | Kubernetes, Docker | Solution |
| 061 | Init Containers in Kubernetes | Kubernetes, Docker | Solution |
| 062 | Manage Secrets in Kubernetes | Kubernetes, Docker | Solution |
| 063 | Deploy Iron Gallery App on Kubernetes | Kubernetes, Database | Solution |
| 064 | Fix Python App Deployed on Kubernetes Cluster | Kubernetes, Docker | Solution |
| 065 | Deploy Redis Deployment on Kubernetes | Kubernetes, Docker | Solution |
| 066 | Deploy MySQL on Kubernetes | Kubernetes, Docker | Solution |
| 067 | Deploy Guest Book App on Kubernetes | Kubernetes, Docker | Solution |
| 068 | Set Up Jenkins Server | Linux, Ci/Cd | Solution |
| 069 | Install Jenkins Plugins | Ci/Cd | Solution |
| 070 | Configure Jenkins User Access | Linux, Ci/Cd | Solution |
| 071 | Configure Jenkins Job for Package Installation | Ci/Cd | Solution |
| 072 | Jenkins Parameterized Builds | Ci/Cd | Solution |
| 073 | Jenkins Scheduled Jobs | Ci/Cd | Solution |
| 074 | Jenkins Database Backup Job | Database, Ci/Cd | Solution |
| 075 | Jenkins Slave Nodes | Ci/Cd | Solution |
| 076 | Jenkins Project Security | Ci/Cd, Security | Solution |
| 077 | Jenkins Deploy Pipeline | Kubernetes, Ci/Cd | Solution |
| 078 | Jenkins Conditional Pipeline | Ci/Cd | Solution |
| 079 | Jenkins Deployment Job | Kubernetes, Ci/Cd | Solution |
| 080 | Jenkins Chained Builds | Ci/Cd | Solution |
| 081 | Jenkins Multistage Pipeline | Ci/Cd | Solution |
| 082 | Create Ansible Inventory for App Server Testing | Linux, Ansible | Solution |
| 083 | Troubleshoot and Create Ansible Playbook | Ansible | Solution |
| 084 | Copy Data to App Servers using Ansible | Linux, Ansible | Solution |
| 085 | Create Files on App Servers using Ansible | Linux, Ansible | Solution |
| 086 | Ansible Ping Module Usage | Ansible | Solution |
| 087 | Ansible Install Package | Ansible | Solution |
| 088 | Ansible Blockinfile Module | Ansible | Solution |
| 089 | Ansible Manage Services | Kubernetes, Ansible | Solution |
| 090 | Managing ACLs Using Ansible | Ansible | Solution |
| 091 | Ansible Lineinfile Module | Ansible | Solution |
| 092 | Managing Jinja2 Templates Using Ansible | Ansible | Solution |
| 093 | Using Ansible Conditions | Ansible | Solution |
| 094 | Create VPC Using Terraform | Iac | Solution |
Prerequisites
- Basic Linux knowledge - Command line familiarity
- Text editor - vim, nano, or VS Code
- Virtual environment - VirtualBox, VMware, or cloud instances
- Git basics - Version control fundamentals
- Networking concepts - Basic understanding of ports, protocols
🛠️ Technologies Covered
Infrastructure & OS
- Linux (CentOS, Ubuntu)
- Shell Scripting (Bash)
- System Administration
- Network Configuration
Containerization
- Docker - Containers, images, networking
- Docker Compose - Multi-container applications
- Container Registry - Image management
Orchestration
- Kubernetes - Pods, deployments, volumes, services, replica set
- kubectl - Cluster management
- YAML - Configuration files
Version Control
- Git - Branching, merging, rebasing
- GitHub - Collaboration workflows
- Git Hooks - Automation
Configuration Management
- Ansible - Automation and configuration
- YAML - Playbooks and inventory
Web Servers & Databases
- Nginx - Web server, load balancer, SSL
- Apache - LAMP stack configuration
- MySQL/MariaDB - Database management
CI/CD, Automation and Provisioning
- Terrafor - IaC tool to manage cloud resources
- Jenkins - CI/CD pipelines for integration and delivery
- Ansible Playbook - Automation resource management
🎯 Learning Path
Week 1-3: Linux Fundamentals
Master user management, permissions, networking, and system administration basics.
Week 4-5: Version Control
Learn Git workflows, branching strategies, and collaboration techniques.
Week 6-7: Containerization
Understand Docker concepts, image creation, and container orchestration.
Week 8-10: Kubernetes
Deploy and manage applications in Kubernetes clusters with advanced patterns.
Week 10-12: Jenkins, Terraform
Deploy CI/CD pipelines, provisioning infrastructures, and ansible automation.
🤝 Contributing
Contributions are welcome! If you think any solution steps would be better, Here’s how you can help:
- Fork the repository
- Create a feature branch (
git checkout -b feature/improvement) - Commit your changes (
git commit -am 'Add new solution') - Push to the branch (
git push origin feature/improvement) - Create a Pull Request
📚 Additional Resources
- KodeKloud Official Course
- Docker Documentation
- Kubernetes Documentation
- Git Documentation
- Linux Command Reference
⭐ Show Your Support
If this repository helped you in your DevOps journey:
- Star this repository ⭐
- Fork it to create your own version
- Share it with fellow developers
- Follow me for more DevOps content
📄 License
This project is licensed under the MIT License - see the LICENSE file for details.
🔗 Connect With Me
- GitHub: @imshakil
- LinkedIn: Connect with me
- Medium: @imshakil
Happy Learning!
Remember: The best way to learn DevOps is by doing. Start with Day 1 and build your skills progressively!