UFW (Uncomplicated Firewall) is a user-friendly interface to manage iptables firewall rules on Ubuntu. It simplifies the process of setting up and managing a firewall to protect your server from unauthorized access.
When you’re encountering a 404 error with Nginx while trying to reload a single-page application (SPA), it’s usually because Nginx is not properly configured to serve the index.html file for all routes. In an SPA, the routing is typically handled client-side by the application itself, which means all routes should be directed to the index.html…
Learn how to secure your Nginx server with password authentication. This step-by-step guide covers installing necessary tools, creating a .htpasswd file, configuring Nginx, and testing your setup to ensure your website is protected.
Learn how to use PostgreSQL’s psql command-line tool to manage databases, execute queries, and perform administrative tasks directly from your terminal. This tutorial covers essential commands with practical examples for beginners.
Learn how to install PostgreSQL, a powerful open-source relational database system, on Ubuntu 22.04. Follow step-by-step instructions to set up PostgreSQL, manage users, and perform basic database operations.
Logwatch là một công cụ hữu ích để theo dõi và phân tích nhật ký hệ thống trên các máy chủ Linux. Nó giúp bạn tự động tạo các báo cáo từ các tệp nhật ký hệ thống và gửi chúng qua email hoặc hiển thị trực tiếp. Dưới đây là các bước cơ bản…
Let’s Encrypt provides free SSL certificates for securing websites. Automating the installation of these certificates can save time and ensure your sites are always secure. This tutorial will guide you through creating a script to install Let’s Encrypt SSL certificates on a server.
Learn to add a new user with sudo permissions in Linux, including password-less sudo setup, for efficient system management.
Learn how to install and configure Nginx on Ubuntu 22.04 with this comprehensive step-by-step tutorial. From updating your package index to configuring server blocks, this guide covers all the essential steps to get your web server up and running smoothly.
Let’s dive into a tutorial on how JavaScript array methods work, along with examples for each. JavaScript provides a variety of built-in methods to manipulate arrays. Here are some of the most commonly used array methods:
