Proto Coders Point https://protocoderspoint.com/ Get Programming & Design's Solution Here Sun, 22 Feb 2026 19:42:48 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.1 https://protocoderspoint.com/wp-content/uploads/2020/10/cropped-PROTO-CODERS-POINT-LOGO-water-mark--32x32.png Proto Coders Point https://protocoderspoint.com/ 32 32 Connect to AWS IoT Core using NodeJS & Publish MQTT Messages https://protocoderspoint.com/connect-aws-iot-core-nodejs-publish-mqtt-messages-dummy-iot-device/ https://protocoderspoint.com/connect-aws-iot-core-nodejs-publish-mqtt-messages-dummy-iot-device/#respond Sun, 22 Feb 2026 19:42:48 +0000 https://protocoderspoint.com/?p=9240 How to Connect to AWS IoT Core using NodeJS and Publish Messages (Dummy IoT Device) IoT (Internet of Things) devices like smart meters, trackers, and temperature sensors constantly send data to the cloud.But the interesting part is — you don’t actually need a real electronic device to learn IoT. You can use NodeJS to simulate […]

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]]> https://protocoderspoint.com/connect-aws-iot-core-nodejs-publish-mqtt-messages-dummy-iot-device/feed/ 0 Ultimate Node.js Backend Interview DSA Guide – 2026 https://protocoderspoint.com/ultimate-node-js-backend-interview-dsa-guide-2026/ https://protocoderspoint.com/ultimate-node-js-backend-interview-dsa-guide-2026/#respond Sun, 08 Feb 2026 11:21:00 +0000 https://protocoderspoint.com/new-post/ 80+ Questions | Arrays, Objects, DSA, System Design Created By: Dheeraj Singh 1. JS Core 2. Array & Object Methods 3. Node.js Internals 4. Express & API 5. Databases 6. System Design 7. DSA (Basic) 8. DSA (Intermediate) 9. DSA (Advanced) Expand All (+) Collapse All (-) 1. JavaScript Fundamentals 1. What are the differences […]

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]]> https://protocoderspoint.com/ultimate-node-js-backend-interview-dsa-guide-2026/feed/ 0 Flutter Interview Questions and Answers (2026 Updated) https://protocoderspoint.com/flutter-interview-questions-and-answers/ https://protocoderspoint.com/flutter-interview-questions-and-answers/#comments Mon, 12 Jan 2026 13:38:53 +0000 https://protocoderspoint.com/?p=3230 Hi Guys, Welcome to Proto Coders Point. This article will be on Flutter Technical Interview Questions asked for Flutter job profile for a fresher. Flutter Developer interview questions 2026 updated and answers for beginners. So let’s begin with… Flutter interview questions for freshers 2026 1. What is Flutter? A Flutter is Cross platform development toolkit […]

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]]> https://protocoderspoint.com/flutter-interview-questions-and-answers/feed/ 3 DevOps Commands cheat sheet – Download PDF https://protocoderspoint.com/devops-commands-cheat-sheet-downloadable-pdf/ https://protocoderspoint.com/devops-commands-cheat-sheet-downloadable-pdf/#respond Sat, 10 Jan 2026 09:35:44 +0000 https://protocoderspoint.com/?p=9169 DevOps is not about knowing every tool — it’s about knowing which command to use at the right moment. Whether you’re debugging a production issue at 2 a.m. or deploying a new feature under pressure, certain commands become your daily companions. This article walks through essential DevOps commands, explains why they matter, and shows how […]

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]]> https://protocoderspoint.com/devops-commands-cheat-sheet-downloadable-pdf/feed/ 0 SSH Troubleshooting flowchart https://protocoderspoint.com/ssh-troubleshooting/ https://protocoderspoint.com/ssh-troubleshooting/#respond Thu, 04 Dec 2025 09:25:29 +0000 https://protocoderspoint.com/?p=9119 SSH Troubleshooting 1) There’s a connection timeout This is a security group issue. Any timeout (not just for SSH) is related to security groups or a firewall. Ensure your security group looks like this and correctly assigned to your EC2 instance. 2) There’s still a connection timeout issue If your security group is properly configured as above, […]

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]]> https://protocoderspoint.com/ssh-troubleshooting/feed/ 0 How to Set Up AWS Auto Scaling Group: Complete Step-by-Step Guide https://protocoderspoint.com/aws-auto-scaling-group-step-by-step-guide/ https://protocoderspoint.com/aws-auto-scaling-group-step-by-step-guide/#respond Tue, 29 Jul 2025 18:53:47 +0000 https://protocoderspoint.com/?p=9146 Hi Guy’s Welcome to Proto Coders Point, In this Article let’s us learn about AWS Auto Scaling Group. Introduction to AWS ASG Service Amazon Web Services (AWS) offers a set of tools & services to ensure applications remain scalable, Highly Available & very cost-efficient. Out of the list of AWS Services, we have one of […]

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