🔥 Terraform Free Videos :–

🔗 Link: https://drive.google.com/drive/u/0/mobile/folders/1COG6x8YCEceHTai3w52h9suHZ2H0rHvF


😎 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!! // Join for DevOps DOCs: @devopsdocs

🚀 Big Update for DevOps Interview repo! 🎉

We’ve just uploaded 50+ new PDFs & interview guides to our DevOps Interview Questions repository! 📚 Now, you have access to 100+ high-quality resources**—with **more coming soon!

📌 These guides cover:
✅ CI/CD Pipelines – Jenkins, GitHub Actions, ArgoCD
✅ Kubernetes & Containers – K8s Best Practices, Helm, Docker
✅ Infrastructure as Code – Terraform, Ansible, CloudFormation
✅ Cloud Services – AWS, Azure, GCP (IAM, Networking, Security)
✅ Real-World Troubleshooting & Best Practices
...and much more!

🔥 Whether you're a beginner or an experienced engineer, these resources will help you crack your DevOps interviews with confidence.

📥 Download & Start Preparing Today:
📱 GitHub Repo: https://github.com/NotHarshhaa/DevOps-Interview-Questions

📢 Stay tuned for more updates! 🚀


😎 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!! // Join for DevOps DOCs: @devopsdocs

🔖Daily Activities of a DevOps Engineer:


1. Morning Standups or Meetings:
⚡️Purpose: Participate in daily Scrum/Agile standups to sync with the team, discuss ongoing tasks, and address blockers.
⚡️Tasks:
- Update on current progress (e.g., pipeline updates, infrastructure issues).
- Plan priorities for the day.

2. Continuous Integration/Continuous Deployment (CI/CD) Pipeline Maintenance:
⚡️Purpose: Ensure pipelines are running smoothly and without errors.
⚡️Tasks:
- Monitor automated builds and deployments.
- Fix failed builds or deployment issues.
- Add new steps to pipelines, such as testing or security checks.
- Example: Debugging a failing Jenkins pipeline or optimizing GitHub Actions for faster deployment.

3. Infrastructure Management:
⚡️Purpose: Manage infrastructure using Infrastructure as Code (IaC) tools for scalability and reliability.
⚡️Tasks:
- Write or update Terraform, CloudFormation, or Ansible scripts.
- Deploy infrastructure to cloud environments (AWS, Azure, GCP).
- Ensure high availability and scalability of resources.
- Example: Scaling Kubernetes clusters to handle traffic spikes.

4. Monitoring and Incident Response:
⚡️Purpose: Monitor systems for performance, errors, and security threats.
⚡️Tasks:
- Use tools like Prometheus, Grafana, ELK/EFK stack, or Datadog to track metrics and logs.
- Respond to alerts for downtime or degraded performance.
- Conduct root cause analysis (RCA) for issues and implement fixes.
- Example: Investigating a sudden CPU spike on an EC2 instance or diagnosing slow application response times.

5. Collaboration with Development Teams:
⚡️Purpose: Work closely with developers to ensure smooth integration and deployment of code.
⚡️Tasks:
- Review code for deployment readiness.
- Assist developers with containerization (Docker) or debugging issues in staging/production environments.
- Share best practices for writing CI/CD pipelines or microservices.


📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

𝗗𝗲𝘃𝗢𝗽𝘀 𝗜𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄 𝗤𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀: 𝗠𝘆 𝗥𝗲𝗰𝗲𝗻𝘁 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲
I recently had the opportunity to interview for a DevOps Engineer position, and I wanted to share some of the key questions I encountered during the process. If you're preparing for a similar role or exploring the DevOps field, these insights might be helpful!


✅ 𝗦𝗲𝗹𝗳-𝗜𝗻𝘁𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 & 𝗗𝗲𝘃𝗢𝗽𝘀 𝗙𝘂𝗻𝗱𝗮𝗺𝗲𝗻𝘁𝗮𝗹𝘀
1️⃣ Can you briefly introduce yourself and share details about your background and recent projects?
2️⃣ What does 𝗗𝗲𝘃𝗢𝗽𝘀 mean, and how does it differ from other IT departments?
3️⃣ How has the introduction of 𝗗𝗲𝘃𝗢𝗽𝘀 transformed the IT industry?
4️⃣ Can you walk me through your last project, including your 𝗿𝗼𝗹𝗲 𝗮𝗻𝗱 𝗿𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀?

✅ 𝗟𝗶𝗻𝘂𝘅 𝗕𝗮𝘀𝗶𝗰𝘀 & 𝗦𝘆𝘀𝘁𝗲𝗺 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲
1️⃣ Which operating systems have you worked with?
2️⃣ What is a 𝗞𝗲𝗿𝗻𝗲𝗹 in Linux?
3️⃣ Which Linux version did you use in your project, and why?
4️⃣ Why is Linux preferred over Windows in DevOps environments?

✅ 𝗚𝗶𝘁, 𝗚𝗶𝘁𝗛𝘂𝗯 & 𝗚𝗶𝘁𝗟𝗮𝗯
1️⃣ What are Git, GitHub, and GitLab, and how do they differ?
2️⃣ What is the difference between Merge and Rebase?
3️⃣ How do you revert a commit in Git?
4️⃣ Explain the difference between Git Pull and Git Fetch.
5️⃣ What 𝗯𝗿𝗮𝗻𝗰𝗵𝗶𝗻𝗴 𝘀𝘁𝗿𝗮𝘁𝗲𝗴𝘆 have you used in your project?

✅ 𝗖𝗜/𝗖𝗗 & 𝗝𝗲𝗻𝗸𝗶𝗻𝘀
1️⃣ What is CI/CD, and can you explain the Jenkins pipeline and its stages?
2️⃣ At which phase is testing performed—CI or CD?
3️⃣ How have you used 𝗝𝗲𝗻𝗸𝗶𝗻𝘀 in your project?
4️⃣ Can you describe the process of setting up a Jenkins job to automate a build process?

✅ 𝗗𝗼𝗰𝗸𝗲𝗿 & 𝗞𝘂𝗯𝗲𝗿𝗻𝗲𝘁𝗲𝘀
1️⃣ What do 𝗰𝗼𝗻𝘁𝗮𝗶𝗻𝗲𝗿𝗶𝘇𝗮𝘁𝗶𝗼𝗻 and 𝗼𝗿𝗰𝗵𝗲𝘀𝘁𝗿𝗮𝘁𝗶𝗼𝗻 mean?
2️⃣ What is a Docker image, and how is it different from a Docker container?
3️⃣ How do you handle data persistence in Docker containers?
4️⃣ Have you worked with 𝗗𝗼𝗰𝗸𝗲𝗿 𝗖𝗼𝗺𝗽𝗼𝘀𝗲?
5️⃣ Can you explain a Docker-file for a Node.js application?
6️⃣ How would you secure a MySQL database running in a Docker container?
7️⃣ What are Ingress and Deployments in Kubernetes?
8️⃣ What are 𝗞𝘂𝗯𝗲𝗿𝗻𝗲𝘁𝗲𝘀 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀, and how do they work?
9️⃣ How does Kubernetes manage and control containers?

✅ 𝗦𝗰𝗲𝗻𝗮𝗿𝗶𝗼-𝗕𝗮𝘀𝗲𝗱 𝗤𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀
📌 Your company is implementing a 𝗱𝗶𝘀𝗮𝘀𝘁𝗲𝗿 𝗿𝗲𝗰𝗼𝘃𝗲𝗿𝘆 (𝗗𝗥) strategy for critical AWS services. How would you design and implement a robust DR plan, covering backup strategies, failover mechanisms, and testing procedures?


📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🚀 New Update: Ansible Cheatsheet Added! 🎉

🔥 Exciting news for DevOps Engineers, Sysadmins, and Developers! We just added a comprehensive Ansible Cheatsheet to our DevOps Tools Cheatsheet Collection on GitHub.

📌 What’s Inside?
✅ Ansible Basics: Inventory, Ad-hoc Commands, Playbooks
✅ Variables, Loops, Conditionals, and Facts Explained
✅ Ansible Roles for Structured Automation
✅ Ansible Vault for Securing Sensitive Data
✅ Debugging & Troubleshooting Commands
✅ Interview Questions & Best Practices

💡 Whether you're a beginner or an advanced user, this cheatsheet will help you automate infrastructure like a pro!

📱 Check it out now: GitHub Repo: https://github.com/NotHarshhaa/devops-cheatsheet

⭐️ Star the repo & Share it with your DevOps community! 🚀


📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🖥 Recent Asked Interview Questions: 𝗦𝗲𝗿𝘃𝗶𝗰𝗲 𝗕𝗮𝘀𝗲𝗱 𝗖𝗼𝗺𝗽𝗮𝗻𝘆

🔠Role: 𝗗𝗲𝘃𝗢𝗽𝘀/𝗖𝗹𝗼𝘂𝗱 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿
🔠Exp Range : 𝟯-𝟱 𝘆𝗿𝘀

1. What is the role of IAM roles and policies?
2. Can you explain the Terraform plan and its purpose?
3. What is AWS Lambda, and how does it work?
4. How do you invoke a Lambda function, and where do you configure it?
5. Can you describe how Lambda handles scaling and event-based invocations?
6. What is Amazon CloudWatch, and have you configured any custom metrics?
7. What metrics are available on your CloudWatch dashboard?
8. How do you configure CPU utilization on your CloudWatch dashboard?
9. How do you attach an SSL certificate to an S3 bucket?
10. What type of encryption have you implemented in your project?
11. If an S3 bucket has a read-only policy, can you modify objects in the bucket?
12. Why did you choose Terraform over Boto3 for infrastructure provisioning?
13. What is a Content Delivery Network (CDN), and how does it work?
14. Have you created a Jenkins pipeline for your project?
15. How do you attach policies to IAM users, either individually or by group?
16. What type of deployment strategies are you using in your project?
17. Have you used any tools to create customized Amazon Machine Images (AMIs)?
18. What is connection draining, and how does it work?
19. How does an Elastic Load Balancer (ELB) distribute traffic?
20. What is auto-scaling, and how does it work?
21. Can you describe the different types of Load Balancers and provide examples?
22. What is the maximum runtime for a Lambda function?
23. What is the maximum memory size for a Lambda function?
24. How can you increase the runtime for a Lambda function?
25. What automations have you performed using Lambda in your project?
26. Why did you choose Terraform over Boto3 for infrastructure provisioning?
27. What modules have you used in your Lambda function?
28. Have you created an SNS topic for your project?
29. If you've exhausted IP addresses in your VPC, how would you provision new resources?
30. What is Groovy, and how is it used in Jenkins?
31. Why do you use Groovy in Jenkins, and where do you save Jenkins files?
32. What is Ansible, and what is its purpose?
33. What language do you use in Ansible?
34. Where do you run Terraform code, remotely or locally?
35. What is the purpose of access keys and secret keys in AWS?
36. What are Terraform modules, and have you used any in your project?
37. What environments have you set up for your project?
38. Do you use the same AWS account for all environments?
39. Do you have separate Jenkins servers for each environment?
40. Where do you write and save your Lambda function code?


📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🚀 DevOps Project 34 : Complete DevOps Project: Multi-Tier Application Deployment 🌍


☁️ Project Link: DevOps Project 34 on GitHub

💡 Master a full-scale DevOps project from scratch!

This project is divided into two parts for better understanding and execution:

🔹 Part 1/2:
✅ Set up the local environment using VirtualBox & Vagrant
✅ Create and initialize 5 Virtual Machines for:
- MySQL (Database)
- Memcache (Caching)
- RabbitMQ (Message Broker)
- Tomcat (Application Server)
- Nginx (Web Server)

🔹 Part 2/2 (Final Part):
✅ Configure each VM with the required services
✅ Deploy the digiprofile-project step by step:
- Clone the repo
- Build & compile the application
- Deploy it across the infrastructure
✅ Verify the setup via terminal & browser

🔥 A must-follow hands-on project for DevOps engineers, covering provisioning, deployment, and automation!

❤️‍🔥 Share with friends and learning aspirants ❤️‍🔥

📣 Note: Fork this Repository 🧑‍💻 for upcoming future projects, Every week releases new Project.

📱 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🚀 [UPDATE] AWS DevOps Real-Time Deployment Repo Improved! 🔥

We've made key enhancements to our AWS DevOps Real-Time Deployment | Dev → Pre-PROD → Production repository to improve reliability, automation, and error handling. ✅

🔹 What’s New?
✔️ Enhanced `appspec.yml` – Added file permissions & pre-install validation
✔️ New `validate_environment.sh` – Checks prerequisites before installation
✔️ Improved `buildspec.yml` –
🔹 Conditional Nginx installation
🔹 Validation before copying index.html
🔹 Restarting Nginx after deployment
🔹 New test phase to verify Nginx is running 🚀
✔️ Refined `install_nginx.sh` – Now idempotent & handles errors better
✔️ Updated `start_nginx.sh` – Ensures Nginx is installed before starting & uses systemctl
✔️ Better Logging & Status Checks – More visibility & automatic service management

📱 Check out the latest updates:: https://github.com/NotHarshhaa/AWS-DevOps_Real-Time_Deployment


📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

Just had an Great interview experience for the role of a DevOps Engineer with 1-2 years of experience! ✨

I recently had the opportunity to interview for a DevOps Engineer position, and I wanted to share some of the questions that were asked during the process. Whether you're preparing for a similar role or just interested in the DevOps field, I hope you find these questions helpful!

✅ Regarding Self Introduction and DevOps:
1) Could you Please Introduce yourself Briefly about your background and your project ?
2) What Does DevOps Means and how DevOps is Different from Other Department in IT Industry ?
3) What Happen when DevOps comes in IT Industry ?
4) Could you please Explain me About your last project have you worked on and what was you roles and responsibility ?

✅ About Linux OS:
1) What are Different OS have you Familiar with and worked on ?
2) What is Kernel ?
3) which Linux version you used in your project ?
4) why we Used Linux OS Rather than Windows and any other ?

✅ About Git GitHub and Gitlab:
1) What is Git, GitHub and Gitlab what is the difference between them ?
2) what is Merge and Rebase ?
3) How do you revert a commit in Git ?
4) Explain the difference between Git pull and Git fetch ?
5) Explain the Branching Strategies have you used in your project

✅ About CICD with Jenkins:
1) what is CICD and explain me the Jenkins file and Its Stages ?
2) In which phase Testing will do In CI phase or in CD phase ?
3) how did you used Jenkins in your project ?
4) Describe the process of setting up a Jenkins job to automate a build process ?

✅ About Docker and K8S:
1) What Does mean by containerization and Orchestration ?
2) What is a Docker image, and how is it different from a Docker container?
3) How do you manage data persistence in Docker containers?
4) Have you Used docker Compose ?
5) could you Explain me a Docker File for Node ?
6) How do you secure a MySQL Data which is Running in my container ?
7) what is Ingress and Deployment in K8S ?
8) what is Services in K8S ?
9) How can K8S control and manage a containers ?

✅ Some Scenarios Questions:
1) Your company is planning to implement a disaster recovery (DR) strategy for its critical services hosted on AWS. Describe the steps you would take to design and implement a robust DR plan, including backup strategies, failover mechanisms, and testing procedures.


😎 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!! // Join for DevOps DOCs: @devopsdocs

🚀 Big Update: AWS Billing Alert Terraform Module! 💰📊

We've rolled out some major enhancements to help you monitor AWS costs more efficiently! Check out the new features:

✅ Multiple Email Alerts – Notify multiple recipients at once! 📧
✅ SNS Dead-Letter Queue (DLQ) – Never miss an alert with automatic retries. 🔄
✅ Per-Service Billing Alerts – Track individual AWS services like EC2, S3, etc. 💰
✅ Enhanced CloudWatch Filters – Get better visibility into your billing logs. 🔍
✅ CloudWatch Dashboard – Visualize billing trends with real-time insights. 📈

Upgrade your Terraform setup today and take full control of your AWS expenses!

☁️ Check it out on GitHub: https://github.com/NotHarshhaa/aws-billing-alert-terraform


😎 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!! // Join for DevOps DOCs: @devopsdocs

As a DevOps engineer, mastering the Linux 🐧 command line is crucial for efficient system administration and management. Here are some essential Linux commands you should know:

1️⃣. File and Directory Management:
ls: List directory contents.
cd: Change directory.
pwd: Print working directory.
mkdir: Create a new directory.
rm: Remove files or directories.
cp: Copy files or directories.
mv: Move or rename files or directories.

2️⃣. User and Permission Management:
useradd: Add a new user.
passwd: Set or change user passwords.
chown: Change file ownership.
chmod: Modify file permissions.
su: Switch user.
sudo: Execute commands with superuser privileges.

3️⃣. Process and Service Management:
ps: Display running processes.
top: Monitor system processes.
kill: Terminate processes.
systemctl: Manage system services (systemd-based systems).
service: Manage services (init-based systems).

4️⃣. Networking and System Monitoring:
ifconfig or ip: Configure network interfaces.
netstat: Display network statistics.
ping: Test network connectivity.
df: Show disk space usage.
free: Display memory usage.
uptime: Show system uptime.

Remember that this is just a starting point, and there are many more Linux commands and utilities. Feel free to explore and deepen your knowledge as you work with Linux in your DevOps journey! 🐧 🚀

➡️Reference links: [1] [2] [3] [4]


📱 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

👨‍💻 A Day in the Life of a DevOps Engineer: Real Stories and Challenges


📖 Check it out here: A Day in the Life of a DevOps Engineer

Ever wondered what it's like to be a DevOps engineer? It's a fast-paced, problem-solving, and highly dynamic role that comes with its fair share of challenges—and funny moments too! 😅

In this article, we dive deep into what a typical day looks like, from handling pipeline issues to collaborating with developers and dealing with unexpected incidents. Whether you’re new to DevOps or a seasoned pro, this is one story you won’t want to miss!

✨ Read Now to discover:
🔧 Real-life challenges
💻 Problem-solving strategies
⚡️ Funny incidents that every DevOps engineer will relate to!

👉 Don’t forget to share your own DevOps experiences in the comments!

📱 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🚀 Excited to share the power of Prometheus in the world of 𝐃𝐞𝐯𝐎𝐩𝐬! 🌐

👉 𝐖𝐡𝐚𝐭 𝐢𝐬 𝐏𝐫𝐨𝐦𝐞𝐭𝐡𝐞𝐮𝐬?
Prometheus is an open-source monitoring and alerting toolkit designed for reliability and scalability. It's your go-to companion for gaining deep insights into your infrastructure and applications.

Here are some key points highlighting the advantages and applications of Prometheus:

🔢. 𝐑𝐞𝐚𝐥-𝐭𝐢𝐦𝐞 𝐌𝐨𝐧𝐢𝐭𝐨𝐫𝐢𝐧𝐠 📊:
➡️ Prometheus provides robust real-time monitoring, allowing DevOps teams to gain insights into system performance and quickly identify issues.

🔢. 𝐒𝐜𝐚𝐥𝐚𝐛𝐢𝐥𝐢𝐭𝐲 🚀:
➡️ Its scalable architecture makes Prometheus suitable for both small-scale setups and large, complex environments, ensuring adaptability as your infrastructure grows.

🔢. 𝐌𝐮𝐥𝐭𝐢-𝐝𝐢𝐦𝐞𝐧𝐬𝐢𝐨𝐧𝐚𝐥 𝐃𝐚𝐭𝐚 𝐌𝐨𝐝𝐞𝐥 🔄:
➡️ Embrace the flexibility of Prometheus' multi-dimensional data model, which simplifies querying and reporting, providing a comprehensive view of your system.

🔢. 𝐀𝐥𝐞𝐫𝐭𝐢𝐧𝐠 𝐚𝐧𝐝 𝐍𝐨𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧 🚨:
➡️ Enjoy proactive alerting capabilities that empower teams to detect anomalies and potential issues before they impact users, enabling a more reliable and resilient infrastructure.

🔢. 𝐒𝐞𝐫𝐯𝐢𝐜𝐞 𝐃𝐢𝐬𝐜𝐨𝐯𝐞𝐫𝐲 🌐:
➡️ Prometheus seamlessly integrates with service discovery mechanisms, making it an excellent choice for dynamic environments where instances and services may change dynamically.

🔢. 𝐑𝐢𝐜𝐡 𝐐𝐮𝐞𝐫𝐲 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞 💬:
➡️ Leverage Prometheus Query Language (PromQL) to perform complex queries and obtain meaningful insights, enabling a deep dive into the performance metrics of your applications.

🔢. 𝐎𝐩𝐞𝐧 𝐒𝐨𝐮𝐫𝐜𝐞 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐭𝐲 🤝:
➡️ Engage with a vibrant and supportive open-source community that continually contributes to Prometheus' development, ensuring a cutting-edge and evolving monitoring solution.

🔢. 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 𝐰𝐢𝐭𝐡 𝐆𝐫𝐚𝐟𝐚𝐧𝐚 📈:
➡️ Combine the power of Prometheus with Grafana for visually appealing and interactive dashboards, providing a user-friendly interface for monitoring and analysis.

🔢. 𝐂𝐨𝐧𝐭𝐚𝐢𝐧𝐞𝐫𝐢𝐳𝐚𝐭𝐢𝐨𝐧 𝐒𝐮𝐩𝐩𝐨𝐫𝐭 🐳:
➡️ Prometheus natively supports containerized environments, making it an ideal choice for organizations embracing container orchestration platforms like Kubernetes.

🔢🔢. 𝐂𝐥𝐨𝐮𝐝-𝐍𝐚𝐭𝐢𝐯𝐞 𝐌𝐨𝐧𝐢𝐭𝐨𝐫𝐢𝐧𝐠 ☁️:
➡️ Seamlessly adapt Prometheus to your cloud-native ecosystem, gaining visibility into distributed architectures and microservices.


💬 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!!

⚡️ I've spent over 4 years in DevOps and cloud.

➡️Here’s a summary of 10 brutal troubleshooting facts I’ve learned:

1) Check logs first, always – Logs contain the first clues; learn how to filter, search, and analyze them efficiently.

2) Trace the request flow – Understand how a request moves through the system to pinpoint failures faster.

3) Use process of elimination – Isolate components one by one to find the root cause instead of guessing.

4) Know the difference between infra and app issues – Is it a misconfigured server, network problem, or bad code?

5) Validate external dependencies – If your service relies on APIs, databases, or third-party tools, check their status.

6) Check system resource limits – Running out of memory, CPU, or disk can cause random failures.

7) Reproduce the issue in a test environment – If possible, recreate the failure to understand it better.

8) Keep a "known issues" doc – If something breaks often, document the fix so you (or others) don’t waste time.

9) Use health checks effectively – Proper liveness and readiness probes can detect and prevent hidden failures.

10) Know when to escalate – If you've checked the usual suspects and still can't fix it, don't waste time, get help.


📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🚀 Big Update: DevOps Tool Installer/Uninstaller Just Got Smarter! 🛠


📱 Check it out here: DevOps Tool Installer on GitHub: https://github.com/NotHarshhaa/DevOps-Tool-Installer

We’ve rolled out major improvements to make installing and managing DevOps tools smoother, faster, and more efficient! 🎉

✨ What’s New?
🔹 OS Auto-Detection – Automatically selects the correct package manager based on your Linux distribution.
🔹 Silent Mode (`--silent`) – Run the script without prompts, perfect for automation! 🤖
🔹 Parallel Execution – Speeds up installations by running multiple tasks in parallel.
🔹 Self-Update Feature – Always get the latest script version from GitHub with one command.
🔹 Improved Logging – Tracks all actions in install_devops_tools.log for easier debugging.
🔹 Smart Install Checks – Skips reinstalling tools if they are already installed.
🔹 Newly Supported Tools – ArgoCD, FluxCD, Trivy, k9s, and Podman now included! 🎯

💡 Windows Users? We Got You!
✅ Fixed Unicode Issues in PowerShell Script
✅ Improved input validation & error handling
✅ Resolved GitLab Runner encoding problems

📢 Upgrade Now & Automate Like a Pro!
👉 Clone the repo:

git clone https://github.com/NotHarshhaa/devops-tool-installer.git

👉 Run the script:

install_devops_tools.sh

📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🖥 25 Blogs to Learn 25 AWS Concepts:


1) API Gateway: https://lnkd.in/gDzJiv3b

2) Scaling Patterns: https://lnkd.in/gCpXKHPC

3) VPC Network Segmentation: https://lnkd.in/grtAeerp

4) DR Strategies: https://lnkd.in/gTgjkNm9

5) Load Balancers: https://lnkd.in/gjUKAxrT

6) Cross Zone Load Balancing: https://lnkd.in/gy4wDuRR

7) IAM Policies: https://lnkd.in/g9fFM32H

8) EC2 Guide: https://lnkd.in/gAhw8iqJ

9) DNS Record Types: https://lnkd.in/gbmf-vxv

10) DNS Policies: https://lnkd.in/gQxHrHZZ

11) VPC Peering: https://lnkd.in/g7RdM54v

12) VPC Gateway Endpoints:https://lnkd.in/g7-CUNfZ

13) Internet Gateway vs NAT Gateway: https://lnkd.in/gvYAk8uM

14) 7Rs Cloud Migration: https://lnkd.in/g86pKgVh

15) Lambda Integrations: https://lnkd.in/gcvhvXbr

16) Lambda Cold Starts: https://lnkd.in/gkjzhEsv

17) Lambda Power Tuning: https://lnkd.in/gmyKXf_6

18) Data Transfer Costs: https://lnkd.in/gWYtZp7s

19) Hexagonal Architecture: https://lnkd.in/gwJ3UmYm

20) GuardDuty: https://lnkd.in/gF6u4533

21) SSO: https://lnkd.in/grYZhjhu

22) Signed vs Pre Signed URL: https://lnkd.in/g2ypcPeA

23) Serverless Architecture: https://lnkd.in/gvFdB3dF

24) Cloud Cost Control: https://lnkd.in/gEKJjjAB

25) Behind the Scenes of a Cloud App: https://lnkd.in/gpfSi-Hi


📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🔹 𝗧𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺 𝗖𝗼𝗻𝗳𝗶𝗴𝘂𝗿𝗮𝘁𝗶𝗼𝗻: 𝗦𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲𝗱 𝘄𝗶𝘁𝗵 𝗕𝗹𝗼𝗰𝗸𝘀 📦


1️⃣ 𝗧𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺 𝗕𝗹𝗼𝗰𝗸 → 𝗣𝗿𝗼𝘃𝗶𝗱𝗲𝗿 𝗥𝗲𝗾𝘂𝗶𝗿𝗲𝗱 → 𝗔𝘇𝘂𝗿𝗲𝗿𝗺 𝗣𝗿𝗼𝘃𝗶𝗱𝗲𝗿 𝗩𝗮𝗹𝘂𝗲𝘀
Before deploying anything, Terraform needs to know which cloud provider to use.
𝗙𝗼𝗿 𝗔𝘇𝘂𝗿𝗲, 𝘄𝗲 𝘂𝘀𝗲 𝘁𝗵𝗲 𝗮𝘇𝘂𝗿𝗲𝗿𝗺 𝗽𝗿𝗼𝘃𝗶𝗱𝗲𝗿.

✅ Example:

𝘁𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺 {
 𝗿𝗲𝗾𝘂𝗶𝗿𝗲𝗱_𝗽𝗿𝗼𝘃𝗶𝗱𝗲𝗿𝘀 {
 𝗮𝘇𝘂𝗿𝗲𝗿𝗺 = {
 source = "hashicorp/azurerm"
 version = "~>3.0"
 }
 }
}

🔹 required_providers → Specifies the provider (azurerm).
🔹 source → HashiCorp’s Azure provider.
🔹 version → Ensures compatibility (optional but recommended).

2️⃣ 𝗣𝗿𝗼𝘃𝗶𝗱𝗲𝗿 𝗮𝘇𝘂𝗿𝗲𝗿𝗺 𝗕𝗹𝗼𝗰𝗸 → 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 𝗕𝗹𝗼𝗰𝗸 + 𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻 𝗜𝗗
After defining the provider, we configure its details.

✅ Example:

𝗽𝗿𝗼𝘃𝗶𝗱𝗲𝗿 "𝗮𝘇𝘂𝗿𝗲𝗿𝗺" {
 𝗳𝗲𝗮𝘁𝘂𝗿𝗲𝘀 {} # 𝗥𝗲𝗾𝘂𝗶𝗿𝗲𝗱
 𝘀𝘂𝗯𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻_𝗶𝗱 = "𝘆𝗼𝘂𝗿-𝘀𝘂𝗯𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻-𝗶𝗱" # 𝗢𝗽𝘁𝗶𝗼𝗻𝗮𝗹
}

🔹 features {} → Required (even if empty).
🔹 subscription_id → Specifies which Azure subscription to use (if needed).

💡 Without subscription_id, Terraform will use the default Azure subscription from az login.

3️⃣ 𝗡𝗼𝘄, 𝗹𝗲𝘁’𝘀 𝗱𝗲𝗽𝗹𝗼𝘆 𝗮 𝘀𝗶𝗺𝗽𝗹𝗲 𝗔𝘇𝘂𝗿𝗲 𝗥𝗲𝘀𝗼𝘂𝗿𝗰𝗲 𝗚𝗿𝗼𝘂𝗽 𝘂𝘀𝗶𝗻𝗴 𝗧𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺

✅ Example:

resource "azurerm_resource_group" "my_rg" {
 name   = "MyResourceGroup"
 location = "East US"
}

🔹 resource → Declares a resource to be created.
🔹 azurerm_resource_group → Specifies the Azure Resource Group service.
🔹 my_rg → Local Terraform name (used for referencing).
🔹 name → The actual resource group name in Azure.
🔹 location → The Azure region where it will be deployed.

4️⃣ 𝗧𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺 𝗖𝗼𝗺𝗺𝗮𝗻𝗱𝘀 𝗘𝘅𝗽𝗹𝗮𝗻𝗮𝘁𝗶𝗼𝗻 🏗
🔹 𝘁𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺 𝗶𝗻𝗶𝘁 → Initializes Terraform in the working directory (downloads provider plugins, sets up backend).
🔹 𝘁𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺 𝗳𝗺𝘁 → Formats Terraform code for readability and best practices.
🔹 𝘁𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺 𝘃𝗮𝗹𝗶𝗱𝗮𝘁𝗲 → Checks for syntax errors and verifies the configuration is valid.
🔹 𝘁𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺 𝗽𝗹𝗮𝗻 → Shows the execution plan without applying changes.
🔹 𝘁𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺 𝗮𝗽𝗽𝗹𝘆 → Deploys or updates infrastructure resources.
🔹 𝘁𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺 𝗱𝗲𝘀𝘁𝗿𝗼𝘆 → Deletes all managed infrastructure resources.


📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

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➡️Cloud Foundations
https://lnkd.in/dtKua4yd

➡️ AWS Vs Azure VS GCP
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➡️ Amazon Services
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➡️ IaaS for Cloud Computing
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➡️ Create Azure Bot
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➡️ Microsoft Azure Essentials
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➡️ Virtual Cloud Computing
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➡️ Cloud Engineer Roles and Responsibilities
https://lnkd.in/dKVtHDWJ


📱 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

▶️ List of 📱 Git commands for DevOps Engineer, along with their usage:


⚡️Basic Git Commands:
1. git init - Initialize a new Git repository.
2. git clone <repository> - Clone an existing Git repository.
3. git config --global user.name "<Your Name>" - Set your username for Git.
4. git config --global user.email "<your_email@example.com>" - Set your email address for Git.
5. git status - Check the status of your repository.
6. git add <file> - Stage a file for the next commit.
7. git add . - Stage all changes in the current directory and subdirectories.
8. git commit -m "<commit_message>" - Commit changes with a meaningful commit message.
9. git log - Display a log of all commits made to the repository.
10. git branch - List all branches in the repository.
11. git checkout <branch> - Switch to a different branch.
12. git merge <branch> - Merge changes from another branch into the current branch.

⚡️Git Branching Commands:
1. git branch <new_branch> - Create a new branch.
2. git branch -d <branch> - Delete a branch.
3. git branch -m <old_branch> <new_branch> - Rename a branch.
4. git checkout -b <new_branch> - Create a new branch and switch to it.

⚡️Git Remote Commands:
1. git remote add <name> <url> - Add a remote repository.
2. git remote remove <name> - Remove a remote repository.
3. git remote rename <old_name> <new_name> - Rename a remote repository.
4. git fetch <remote> - Fetch changes from a remote repository.
5. git push <remote> <branch> - Push changes to a remote repository.
6. git pull <remote> <branch> - Pull changes from a remote repository.

⚡️Git Merge and Conflict Resolution Commands:
1. git merge <branch> - Merge changes from another branch into the current branch.
2. git merge --abort - Abort a merge operation.
3. git merge --continue - Continue a merge operation after resolving conflicts.
4. git status - Check the status of your repository during a merge operation.

⚡️Git Tagging Commands:
1. git tag <tag_name> - Create a lightweight tag.
2. git tag -a <tag_name> -m "<tag_message>" - Create an annotated tag.
3. git tag -d <tag_name> - Delete a tag.
4. git tag -l - List all tags in the repository.

⚡️Git Reset and Revert Commands:
1. git reset <commit> - Reset your repository to a specific commit.
2. git reset --hard <commit> - Reset your repository to a specific commit and discard all changes.
3. git revert <commit> - Revert changes made by a specific commit.
4. git revert --no-commit <commit> - Revert changes made by a specific commit without committing the changes.

⚡️Git Stash Commands:
1. git stash - Stash changes in your repository.
2. git stash list - List all stashed changes.
3. git stash apply - Apply stashed changes to your repository.
4. git stash drop - Delete a stashed change.
5. git stash pop - Apply and delete a stashed change.

⚡️Git Submodule Commands:
1. git submodule add <repository> - Add a submodule to your repository.
2. git submodule init - Initialize a submodule.
3. git submodule update - Update a submodule.
4. git submodule status - Check the status of a submodule.
5. git submodule summary - Summarize changes made to a submodule.

⚡️Git Cherry-Pick Commands:
1. git cherry-pick <commit> - Apply changes made by a specific commit to your current branch.
2. git cherry-pick --abort - Abort a cherry-pick operation.
3. git cherry-pick --continue - Continue a cherry-pick operation after resolving conflicts.

⚡️Git Rebase Commands:
1. git rebase <branch> - Rebase your current branch onto another branch.
2. git rebase --abort - Abort a rebase operation.
3. git rebase --continue - Continue a rebase operation after resolving conflicts.
4. git rebase -i <commit> - Interactively rebase changes made since a specific commit.

⚡️Git Diff Commands:
1. git diff - Display differences between your working directory and the staging area.
2. git diff --cached - Display differences between the staging area and the last commit.


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