Ritik Kumar

सततं प्रयत्नं कुर्वन्ति विद्वांसः।
(The wise always make constant efforts.)
30 Days of DevOps → building habits, not rushing mastery.
Curious DevOps learner

[Ritik Kumar @RitikKumar990]

Day 12 – #30DaysOfDevOps
Not rushing ahead anymore.
I’m giving myself 7 days to properly revise Linux, Git, Shell, Docker, AWS, and CI/CD.
I’m rebuilding things, breaking them, and fixing them — especially AWS + Docker + Jenkins pipelines.
Not giving up. 💪
#DevOps #aws #linux

[Ritik Kumar @RitikKumar990]

Day 11 of #30DaysOfDevOps

Learned Jenkins fundamentals and installed Jenkins on an EC2 instance by connecting from local Ubuntu via SSH.
Understood how Jenkins fits into CI CD pipelines for automated builds.

#DevOps #Jenkins #CI #LearningInPublic

[Ritik Kumar @RitikKumar990]

Day 10 of #30DaysOfDevOps

Built Docker images using multi-stage builds and distroless images.
Compared them to understand image size, security, and production readiness.

#DevOps #Docker #Containers #LearningInPublic

[Ritik Kumar @RitikKumar990]

Day 9 of #30DaysOfDevOps

Deep-dived into Docker networking and tried building two-tier and three-tier architectures.
Got frustrated while connecting services, but not giving up — this is where real learning happens.

#DevOps #Docker #Networking #LearningInPublic

[Ritik Kumar @RitikKumar990]

Day 8 of #30DaysOfDevOps

Learned multi-stage Docker builds, Networking, and Docker volumes.
Built a multi-stage Node.js project to create smaller, efficient, and production-ready images.
Project-Link : https://t.co/PgN4YVYOgR
#DevOps #Docker #NodeJS #LearningInPublic

[Ritik Kumar @RitikKumar990]

Day 7 of #30DaysOfDevOps

Started learning Docker.
Built and published a Docker image by dockerizing a basic Express.js project and understood how containers simplify application deployment.

#DevOps #Docker #Containers #LearningInPublic #linux

[Ritik Kumar @RitikKumar990]

Day 6 of #30DaysOfDevOps

Learned advanced Git concepts — revert, branches, and pull requests.
Understood how PRs help with code review, collaboration, and safe changes in real projects.

#DevOps #Git #GitHub #LearningInPublic

[Ritik Kumar @RitikKumar990]

Day 5 of #30DaysOfDevOps

Learned basic Git & GitHub commands — init, add, commit, push.
Understood how version control is essential for collaboration and tracking changes in DevOps workflows.
#DevOps #GitHub #LearningInPublic

[Ritik Kumar @RitikKumar990]

Day 4 of #30DaysOfDevOps

Explored shell scripting using Bash and Python.
Built a few basic automation scripts and understood how scripting simplifies repetitive DevOps tasks.

#DevOps #ShellScripting #Python #LearningInPublic @geeksforgeeks

[Ritik Kumar @RitikKumar990]

Day 4 of #30DaysOfDevOps

Learned Linux administration essentials — user & group management and package management.
Understood how these basics are critical for server security, access control, and system maintenance.

#DevOps #Linux #LearningInPublic @geeksforgeeks

[Ritik Kumar @RitikKumar990]

✅ Day 3 of #30DaysOfDevOps

Set up my AWS account and launched an EC2 instance.
Started hands-on with Linux commands directly on the server and understood how Linux is used in real DevOps work.
Slowly moving from theory to real systems
#DevOps #AWS #Linux #LearningInPublic

[Ritik Kumar @RitikKumar990]

Day 2 of #30DaysOfDevOps

Learned Networking Fundamentals — OSI & TCP/IP basics, IP addressing & subnetting.
Practiced core networking commands and covered security, DNS, and load balancing.

#DevOps #TrainWithShubham #Networking #LearnInPublic

[Ritik Kumar @RitikKumar990]

✅ Day 1 of #30DaysOfDevOps — Completed

Learned what DevOps really is: culture + automation + shared ownership.
Compared to traditional Dev/Ops silos, DevOps enables faster releases and better reliability.
Saw how DevOps helped gfg reduce AWS costs.

#DevOps @GeeksforGeeks

[Ritik Kumar @RitikKumar990]

🔥 50-day LeetCode streak achieved!
Bugs, debug, submit, repeat. The grind never stops! 🚀
Next goal: 100 days! #LeetCode #ProblemSolving

[Ritik Kumar @RitikKumar990]

Day 87 of my #geekstreak2024 journey. Solved the problem : Maximum path sum from any node
@geeksforgeeks
#gfg160

[Ritik Kumar @RitikKumar990]

Day 86 of my #geekstreak2024 journey. Solved the problem : Tree Boundary Traversal
@geeksforgeeks #gfg160

[Ritik Kumar @RitikKumar990]

Day 85 of my #geekstreak2024 journey. Solved the problem : Inorder Traversal
@geeksforgeeks
#gfg160

[Ritik Kumar @RitikKumar990]

Day 84 of my #geekstreak2024 journey. Solved the problem : Construct Tree from Inorder and Preorder
@geeksforgeeks #gfg160

[Ritik Kumar @RitikKumar990]

Day 83 of my #geekstreak2024 journey. Solved the problem : Mirror Tree
@geeksforgeeks
#gfg160

[Ritik Kumar @RitikKumar990]

Day 82 of my #geekstreak2024 journey. Solved the problem : Diameter of Binary Tree
@geeksforgeeks #gfg160