Complete guide to configure proxy settings on Linux systems including Ubuntu 24.04 and Debian 12. Learn GUI setup, command-line configuration, environment variables, and troubleshooting techniques for system-wide and user-specific proxy settings.
Comprehensive guide to cURL POST requests with 30+ practical examples covering JSON data, authentication, file uploads, REST APIs, and advanced use cases. Learn best practices for HTTP requests, error handling, and security considerations with complete code examples.
Learn the correct methods to add paths to your PATH environment variable in Linux and Unix systems. This comprehensive guide covers security considerations, shell compatibility, and best practices for PATH configuration.
Master the sed command for find and replace operations in Linux. Complete guide covering syntax, flags, advanced operations, and real-world examples for efficient text processing and file manipulation.
Learn how to enable TCP BBR congestion control on Ubuntu 24.04 and Debian 12 to improve network performance, reduce latency, and optimize bandwidth utilization. Complete step-by-step guide with troubleshooting tips and performance optimization techniques.
Comprehensive guide to htop, the interactive process viewer for Linux and Unix systems. Learn installation, configuration, advanced features, and process management techniques for effective system monitoring.
Learn how to configure UFW (Uncomplicated Firewall) on Linux with practical examples, from basic setup to advanced security scenarios. Complete guide covering SSH, web servers, databases, and troubleshooting.
Complete guide to fix “sudo: command not found” error on all Linux distributions including Ubuntu, CentOS, Fedora, Arch, and more. Step-by-step solutions with installation commands, user configuration, and security best practices.
Learn essential Linux kernel optimization techniques to boost system performance by 20-40%. This comprehensive guide covers memory management, network tuning, I/O optimization, and advanced techniques for servers and high-performance computing environments.
Comprehensive guide to configuring dual network interfaces on Linux servers. Learn how to resolve routing issues, implement policy-based routing, and ensure reliable connectivity through multiple network interfaces with practical Ubuntu examples.