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Latest Articles

DevOps / Infrastructure

How to Use Docker Compose for Local Development

Explains how to use Docker Compose to define and run multi-container Docker │ applications for local development, covering services, networks, volumes...

6 Simple Steps →
DevOps / Infrastructure

How to SSH Into a Server Safely

A guide to securely connecting to servers via SSH, covering essential practices like │ using SSH keys, disabling password authentication, changing def...

7 Simple Steps →
DevOps / Infrastructure

How to Set Up Docker for a Web App

A guide on setting up Docker for web applications, covering the creation of │ Dockerfiles for environment definition, building images, running contain...

5 Simple Steps →
DevOps / Infrastructure

How to Set Up a Firewall on Ubuntu

A step-by-step guide to setting up and managing the Uncomplicated Firewall (UFW) │ on Ubuntu, covering installation, default policies, allowing/denyin...

7 Simple Steps →
DevOps / Infrastructure

How to Monitor a Server for Crashes

A guide on monitoring server health to detect and prevent crashes, covering │ essential aspects like log monitoring, performance metrics, health check...

7 Simple Steps →
Web & Networking

How to Check if a Port is Open

Learn how to use common command-line tools like `netcat` and `telnet` to check │ if a specific port is open on a server, a crucial skill for network d...

3 Simple Steps →
Web & Networking

What Is DNS and Why It Breaks Everything

Understand the fundamental role of the Domain Name System (DNS) and how its │ failures can disrupt internet connectivity and access to online services...

1 Simple Steps →
Backend & APIs

What Is an API and How Does It Work?

Explains what an Application Programming Interface (API) is, its fundamental role │ in software communication, and the typical request-response cycle.

4 Simple Steps →
DevOps / Infrastructure

What Is a VPS and How It Works?

Explains what a Virtual Private Server (VPS) is, how it functions by partitioning │ a physical server, and the benefits of dedicated resources and OS ...

1 Simple Steps →
Web & Networking

What Happens When You Type a URL and Press Enter

Explains the comprehensive process that occurs from typing a URL into a browser │ to the final rendering of the web page, detailing DNS lookup, HTTP r...

11 Simple Steps →
Backend & APIs

How to Version an API Without Breaking Apps

Strategies and best practices for implementing API versioning to ensure backward │ compatibility and prevent disruptions for existing mobile app clien...

8 Simple Steps →
Mobile (iOS / Android)

How to Test Deep Links on iOS and Android

Learn various methods to test deep links on both iOS and Android platforms, │ including command-line tools, IDE features, and dedicated testing applic...

3 Simple Steps →
DevOps / Infrastructure

How to Set Up Nginx as a Reverse Proxy

A guide to configuring Nginx as a reverse proxy, explaining installation, server │ block setup, proxying requests to backend servers, header managemen...

7 Simple Steps →
Web & Networking

How to Set Up HTTPS Using Let’s Encrypt

A guide on setting up free SSL/TLS certificates from Let's Encrypt using Certbot │ to enable HTTPS for your website, covering installation, configurat...

4 Simple Steps →
Web & Networking

How to Serve iOS and Android App Link Files Correctly

Explains how to correctly host and serve the `apple-app-site-association` file │ for iOS Universal Links and the `assetlinks.json` file for Android Ap...

3 Simple Steps →
Backend & APIs

How to Secure an API Using API Keys

Details on securing APIs with API keys, covering generation, secure transmission, │ access control, key rotation, monitoring, and additional security ...

4 Simple Steps →
Mobile (iOS / Android)

How to Redirect Users to the App Store If the App Isn’t Installed

Learn how to implement a fallback mechanism that redirects users to the iOS App │ Store or Android Play Store when your app is not installed on their ...

3 Simple Steps →
Web & Networking

How to Point a Domain to a VPS

A guide on how to configure DNS records at your domain registrar to direct traffic │ from your domain name to your Virtual Private Server (VPS).

6 Simple Steps →
Backend & APIs

How to Paginate API Responses

Explains common API pagination strategies (Offset-based, Cursor-based, Page-based), │ their pros and cons, and best practices for including pagination...

3 Simple Steps →
Mobile (iOS / Android)

How to Open Specific Screens Using Deep Links

Learn how to implement deep linking to direct users to specific screens or │ content within your mobile application, enhancing user navigation and eng...

3 Simple Steps →
DevOps / Infrastructure

How to Monitor a Server for Crashes

Details essential metrics for server monitoring (CPU, memory, disk, network), │ discusses monitoring tools (built-in, open-source, commercial), and ou...

3 Simple Steps →
Backend & APIs

How to Log and Debug API Requests

A guide on effective logging and debugging techniques for API requests, covering │ client-side and server-side approaches, tools, and general debuggin...

3 Simple Steps →
Backend & APIs

How to Implement Redirect Logic on the Server

Explains how to implement server-side redirects using common HTTP status codes │ (301, 302, 307) and provides code examples for Node.js (Express), Pyt...

3 Simple Steps →
Backend & APIs

How to Handle Webhooks

Explains how to set up and manage webhook endpoints, process incoming requests, │ implement security measures, and ensure reliability through asynchro...

5 Simple Steps →
Mobile (iOS / Android)

How to Handle Deep Links in UIKit

Learn how to implement and handle both custom URL schemes and Universal Links │ in your UIKit application to navigate users to specific content.

3 Simple Steps →
Mobile (iOS / Android)

How to Handle Deep Links in SwiftUI

Learn how to implement and handle both custom URL schemes and Universal Links │ in your SwiftUI application to navigate users to specific content.

3 Simple Steps →
Mobile (iOS / Android)

How to Handle Deep Links in Android (Kotlin)

Learn how to configure your Android app in Kotlin to handle both custom URL │ schemes and Android App Links, directing users to specific content.

3 Simple Steps →
Backend & APIs

How to Handle Authentication Tokens Safely

Best practices for securely managing authentication tokens (access and refresh) │ across different application types (web, mobile, server-side), inclu...

4 Simple Steps →
Backend & APIs

How to Design a REST API for Mobile Apps

Best practices for designing REST APIs tailored for mobile applications, covering │ authentication, data formats, resource design, versioning, error h...

8 Simple Steps →
DevOps / Infrastructure

How to Deploy a Next.js App on a VPS

A comprehensive guide to deploying a Next.js application on a VPS, covering server │ setup, Node.js installation (via NVM), cloning the app, building,...

11 Simple Steps →
DevOps / Infrastructure

How to Deploy a FastAPI App on a VPS

A comprehensive guide to deploying a FastAPI application on a VPS, covering server │ setup, dependency management (Python, pip, venv), ASGI server (Gu...

11 Simple Steps →
Mobile (iOS / Android)

How to Debug Universal Links That Don’t Open Your App

A comprehensive guide to troubleshooting why Universal Links might not be opening │ your iOS app, covering common issues with AASA files, app configur...

5 Simple Steps →
Web & Networking

How to Debug DNS_PROBE_FINISHED_NXDOMAIN Error

Provides a step-by-step guide to troubleshoot and resolve the `DNS_PROBE_FINISHED_ │ NXDOMAIN` error, covering common causes from typos to DNS server ...

11 Simple Steps →
Mobile (iOS / Android)

How to Create One Smart Link for iOS and Android

Learn how to create a single, intelligent link that directs users to your iOS or │ Android app, or to the app store if the app is not installed.

3 Simple Steps →
Web & Networking

How to Create a URL Shortener With Redirects

A guide on building a URL shortening service, covering technology choices, │ database design, core logic for code generation and redirection, and depl...

6 Simple Steps →
Web & Networking

How to Configure Subdomains Properly

A guide on properly configuring subdomains, covering naming conventions, DNS │ record creation, web hosting setup, and best practices for management.

5 Simple Steps →
DevOps / Infrastructure

How to Configure Environment Variables Safely

Details best practices for safely managing environment variables, including │ keeping secrets out of code, using `.gitignore`, leveraging secret manag...

6 Simple Steps →
Mobile (iOS / Android)

How to Add Universal Links With Redirects on iOS

Learn how to set up Universal Links on iOS to seamlessly redirect users from a │ website to your app, and understand the limitations of using redirect...

3 Simple Steps →
Mobile (iOS / Android)

How to Add Android App Links With Redirects

Learn how to configure Android App Links to handle redirects and deep link │ users directly to your app's content.

4 Simple Steps →
Backend & APIs

How OAuth Actually Works (Without the Jargon)

Explains the OAuth authorization framework in simple terms, using an analogy to │ illustrate how it allows third-party applications limited access to ...

6 Simple Steps →
Web & Networking

How HTTP Redirects Actually Work (301 vs 302 vs 307)

Explains the functionality and use cases of common HTTP redirect status codes: │ 301 (Moved Permanently), 302 (Found/Temporarily Moved), and 307 (Temp...

3 Simple Steps →
Web & Networking

How DNS Resolution Works Step by Step

A detailed, step-by-step explanation of the DNS resolution process, from user │ input to IP address retrieval.

9 Simple Steps →