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Security & DevOps

Include network security, automated DevOps, & data compliance solutions, solving enterprise security vulnerabilities & DevOps efficiency issues

Fine-Grained Network Control for Routers: A MAC Address-Based Timed Internet Access Solution in Embedded Environments

2025-11-25 12 mins read

This article focuses on the demand for fine-grained network control in embedded devices such as routers. Taking the Pada...

Embedded System Shell Date Parser: Supporting Weekday/Number Combinations and Preset Keywords

2025-11-26 12 mins read

This article presents a universal date parsing script for BusyBox ash Shell in embedded systems (e.g., K2P routers). Ada...

Complete Guide to the lsof Command: Master System Troubleshooting from Beginner to Pro

2025-11-16 8 mins read

Learn how to use the lsof command (List Open Files) on Unix-like systems. Master PID retrieval, process management, port...

Python-Powered Corporate Network "Guardian": A Comprehensive Guide to Building an Efficient Monitoring System

2025-10-30 31 mins read

This guide demonstrates how to build a full-featured corporate network monitoring system using Python—covering device st...

Python-Based Network Monitoring System

2025-10-30 11 mins read

Build a Python-based network monitoring system with device tracking, traffic analysis, and alert notifications. Complete...

Comprehensive Guide to LZW Algorithm: Multi-Language Implementations for Lossless Compression

2025-05-03 23 mins read

The LZW (Lempel-Ziv-Welch) algorithm achieves efficient lossless compression by dynamically building a string-to-code ma...

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