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  Introduction to the Application of eBPF in Golang

Most of the time, when we develop software or even use software, we play within the safe boundaries of the operating system. We might not know how the network interface welcomes that IP packet, nor how the filesystem handles the inodes when we save a file. This boundary is called user space, which is where we write applications, libraries, and tools. But there's another world, kernel space, where the operating system's kernel resides and is responsible for managing system resources such as memor...

   EBPF,GOLANG,GUIDE,APPLICATION     2024-10-02 08:46:37

  Set Real-Time Clock Unit for OT/IoT Device

Configure DS1307 RTC on BeagleBone-Black Arduino or Raspberry-PI Figure-00: Project Overview Diagram , version v0.1.2 (2024) Program Design Purpose: Real-Time Clock (RTC) modules are essential for maintaining accurate timekeeping in various applications, including system clocks, data logging, and alarm systems. In scenarios where devices operate offline, such as a ship's NMEA 0183 data recorder that logs engine and rudder data, or an RTU (Remote Terminal Unit) with real time state change config...

       2024-08-18 03:09:06

  Python and PLC Communication

This article provides detailed steps on how to use Python to communicate with Schneider M221 and Siemens S7-1200 PLCs via Ethernet. Additionally, we offer a packaged Python PLC client library, enabling you to easily build your own SCADA control programs, such as Human-Machine Interfaces (HMI). The system overview is shown below: To check the project detail please refer to Python Physical PLC Communication Clients # Created: 2024/06/29 # Version: v0.1.3 # Copyright: Copyright (c) 2024 ...

   PYTHON,PLC,COMMUNICATION     2024-06-30 02:21:17

  2D Indoor CQB Robot Simulation

Program Design Purpose: The integration of robots in Close Quarters Battle (CQB) represents a significant advancement in modern military and law enforcement tactics. These robots, designed to navigate tight spaces, gather real-time intelligence, and engage threats, are invaluable assets in high-stakes scenarios. Our goal is to develop a 2D tactical board simulation system, similar to a computer game, that can load building floor blueprints, display CQB squad (robot) positions, enemy locations, ...

       2024-08-11 08:40:31

  IT System Cyber Attack Case Study 01: Malicious Macro and Backdoor Trojan Attack on IT-Network

Project Design Purpose: The objective of this cyber attack case study is to develop a workshop showcasing a practical demonstration of a red team attacker implementing an IT system/network attack via a Malicious Macro MS-Office-Word file (CVE-2015-1641) and phishing email generation program to penetrate multiple layers of firewall defenses and implant a backdoor trojan into the railway system's OT network. Related Links: GitHub Project Link , LinkedIn Post Link Attacker Vector: Malicious Macro ...

       2024-08-03 08:21:49

  Python PLC Honeypot Project

Program Design Propose : This project aims to develop a sophisticated honeypot system that emulates an OT (Operational Technology) SCADA network environment, bridging Level 1 OT field controller devices (PLCs) with Level 2 control programs, including Human-Machine Interfaces (HMIs). This honeypot will simulate various PLC models from major vendors, such as Schneider and Siemens, while supporting the primary communication protocols Modbus-TCP and Siemens-S7Comm. The system will integrate essenti...

       2024-11-25 03:56:49

  Top 25 Must Have Wordpress Plugins for 2016

There are nearby 30 thousand WordPress plug-ins available in the market. But you must know the plug-ins, that are worthy for you according to your business & requirements. Here is the list of top 25 WordPress plug-ins according to me & my team that may helpful for you.   1. WordPress SEO by Yoast - Best SEO plugin:   Yoast SEO, previously known as a WordPress SEO by Yoast, specially used to boost search engine traffic on your WordPress website. Just install this plug-in and be...

   WORDPRESS PLUGIN DEVELOPMENT,MUST HAVE WORDPRESS PLUGINS,BEST WORDPRESS PLUGINS FOR WEBSITE,WORDPRES     2016-03-10 05:04:26

  About .NET memory leak--GC,Delegate and weak reference

Memory leak is always a headache for many programmers, the situation is much better now in some languages which have GC mechanism, but still we may face some memory leak issues when we write programs. 1. What is memory leak? Memory leak is not that the memory chip is broken. In short, it's about that the memory requested is not released at the expected time as an expect way. So what is the expected time? This is very important for you to understand memory leak. If the time an object taking the m...

   .NET,GC,Reference counting,Mark and sweep,Weak reference     2013-05-25 12:59:09

  First impression of Github Copilot

It has been some time since I heard about the new generation of AI powered coding assistant -- Github Copilot. Don't get chance to experience it until obtained the tech preview access recently. So this post will document some first impression while using it. For now, this tool is only supported in VSCode and it can support various different programming languages. To enable it, just need to search and install the Github Copilot extension within VSCode. Once that is enabled, you will find that whe...

   GITHUB COPILOT,FIRST IMPRESSION     2021-08-13 22:45:31

  Your Ultimate Guide to Restoring Database Backups in SQL Server 2012

Summary: Let’s learn how to restore a SQL Server database backup for SQL Server 2012. There are various methods of taking database backups, which include using T-SQL code, SQL Server Management Studio, or third-party applications. These backups taken are purposely saved to be restored when the database becomes corrupt or crashes, migrating the database, making a copy of the database, and other business requirements. In this crash course, we will be focusing on how to restore SQL Server da...

   BACKUP,MSSQL     2024-09-24 09:38:09

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