Innovations in IT, Leadership, and Digital Strategy

Category: Infrastructure

  • Ubuntu Not Contained in Subnet: Troubleshooting and Solutions

    Ensuring your Ubuntu system is contained within the correct subnet is crucial for seamless network operations. By following these troubleshooting steps and best practices, you can resolve and prevent subnet-related issues effectively

  • Setting Up Nginx with OAuth2 Proxy and Keycloak for Your Code Server

    Securing your code server is critical, especially in collaborative environments. This tutorial will guide you through configuring Nginx as a reverse proxy for your code server, using OAuth2 Proxy for authentication, and Keycloak as the identity provider. Prerequisites Step 1: Set Up Keycloak Keycloak serves as the identity provider in this setup. Step 2: Configure…

  • How to Set Up OAuth2 Proxy as a systemd Service

    Learn how to set up OAuth2 Proxy as a systemd service for reliable and automated management on your Linux server, ensuring seamless authentication for your applications.

  • Installing OAuth2 Proxy on Ubuntu When Not Found

    Learn how to install OAuth2 Proxy on Ubuntu when the package is not found via sudo apt install oauth2-proxy. This guide covers installation using pre-built binaries, Docker, and a third-party APT repository.

  • How to Disable IPv6 on Ubuntu

    Learn how to disable IPv6 on Ubuntu through different methods, including temporary changes with sysctl, permanent modifications to configuration files, and using Network Manager for desktop environments.

  • How to Apply Ubuntu Updates Safely and Efficiently

    Keeping your Ubuntu system up to date ensures it stays secure, stable, and equipped with the latest features. Here is a step-by-step guide to applying updates safely and efficiently on your Ubuntu system

  • Understanding Attributes in Keycloak: A Key Component for User and Role Management

    In Keycloak, attributes are used to store and manage additional user and role data, enabling more granular control over access and user management. These attributes can be associated with users, roles, groups, and clients, providing flexibility for personalized user experiences and advanced access control. This article explores how to define, manage, and utilize attributes in…

  • Implementing Role-Based Access Control (RBAC) in Keycloak: A Guide

    Role-Based Access Control (RBAC) in Keycloak allows you to manage user permissions based on assigned roles, providing a flexible and secure way to control access to resources. By defining roles and assigning them to users, Keycloak ensures that users can only access resources based on their job function. This article covers how to implement RBAC…

  • Understanding SAML: A Comprehensive Guide to Secure Single Sign-On

    Security Assertion Markup Language (SAML) is an open standard used for Single Sign-On (SSO), enabling users to authenticate once with an Identity Provider (IdP) and access multiple services without re-entering credentials. SAML uses XML-based assertions to securely exchange authentication and authorization data between the IdP and Service Provider (SP). This guide covers the key components…

  • Understanding OAuth: A Comprehensive Guide

    OAuth is an authorization framework that allows third-party applications to access user data securely without sharing credentials like passwords. It uses tokens to authorize access and supports various grant types for different use cases. OAuth enhances security by enabling users to grant specific permissions to applications, reducing the risk of exposing sensitive information. This guide…

  • Understanding OpenID Connect (OIDC): A Comprehensive Guide

    OpenID Connect (OIDC) is a modern authentication protocol that builds on OAuth 2.0, providing secure, decentralized authentication and Single Sign-On (SSO) for web and mobile applications. It enables users to authenticate once and access multiple services without re-entering credentials. OIDC simplifies user authentication and improves security by using ID tokens and access tokens to manage…

  • Implementing Single Sign-On (SSO) with Keycloak

    This article covers how to implement Single Sign-On (SSO) using Keycloak, a powerful open-source identity and access management solution. You’ll learn about configuring Keycloak, integrating it with your applications, and managing user authentication seamlessly across multiple platforms.

  • Using Keycloak for Microservices Authentication and Authorization

    Keycloak is a powerful tool for securing microservice architectures by providing centralized authentication, role-based access control (RBAC), and secure service-to-service communication. Its flexibility and standards compliance simplify identity and access management for distributed systems, ensuring scalability and robust security.

  • Configuring Nginx and Apache as Reverse Proxies for Yii2 Applications

    Learn how to set up Nginx and Apache as reverse proxies for Yii2 applications. This article guides you through configuring each web server to forward client requests, improving performance, scalability, and security.

  • Web Server (Apache, Nginx, etc.) for Yii2

    Learn how to configure web servers like Apache and Nginx for deploying Yii2 applications. This guide covers performance, security, and scalability considerations, helping you choose the right server for your Yii2 app.

  • Getting Started with DigitalOcean Block Storage

    DigitalOcean Block Storage is a powerful and flexible storage solution designed to expand the capacity of your Droplets (virtual servers). This article explains how it works, its key features, and how you can use it to enhance your cloud infrastructure. What is DigitalOcean Block Storage? Block Storage is a highly available and scalable storage solution…

  • Comprehensive Overview of the IT System Architecture on Data center

    This article provides an in-depth explanation of a comprehensive IT system architecture, featuring components like Nginx reverse proxy, Keycloak for authentication, Redis for session handling, RabbitMQ for message brokering, and MySQL master-slave for database management. It highlights scalability, fault tolerance, and security, making it ideal for modern application infrastructures.