Welcome to Lazy Guy’s Tech Corner
Content Discover Here:
- Block Chain Material
- AI Coding
- Python Coding and Practical Lab
- Network – Vender base infra product, Troubleshooting guide, Case Study
- Infra Automation
Useful resource:
- Is Tesla Stock a Buy After Joe Gebbia’s $1M Insider Purchase?On April 24, 2025, Joe Gebbia, Tesla board member and Airbnb co-founder, made headlines by buying 4,000 Tesla shares at $256.308 each, totaling $1.025 million. This is the first insider purchase at Tesla in five years, breaking a trend of over $100 million in insider sales since early February. With Tesla’s stock down 40-50% from… Read more: Is Tesla Stock a Buy After Joe Gebbia’s $1M Insider Purchase?
- Cybersecurity Roundup: Critical Incidents and Trends in April 2025As cyber threats continue to evolve, April 2025 has seen a series of high-profile incidents that underscore the importance of robust cybersecurity practices. From ransomware disrupting retail to zero-day exploits targeting enterprise systems, IT professionals must stay vigilant. This post recaps the most significant cybersecurity events of the month, detailing attack types, techniques, impacts, and… Read more: Cybersecurity Roundup: Critical Incidents and Trends in April 2025
- Different of Singapore’s PR and Citizenship: Can You Leave Your Home Country After Renouncing Citizenship?As an IT professional eyeing Singapore as a new home, understanding the pathways to Permanent Residency (PR) and citizenship is crucial for long-term planning. Singapore’s robust tech ecosystem, high IT salaries (USD 37,000–147,000), and family-friendly environment make it a top destination for professionals. However, a common concern arises: if you renounce your original citizenship to… Read more: Different of Singapore’s PR and Citizenship: Can You Leave Your Home Country After Renouncing Citizenship?
- Singapore vs. Hong Kong: Which Place is Best for IT Professionals Considering Immigration in 2025?As an IT professional eyeing a move to Asia, selecting the right destination is pivotal for career advancement and family well-being. Singapore and Hong Kong stand out as leading financial and tech hubs, offering dynamic economies, top-tier infrastructure, and strategic regional access. However, they differ significantly in IT career prospects, cost of living, healthcare, education,… Read more: Singapore vs. Hong Kong: Which Place is Best for IT Professionals Considering Immigration in 2025?
- Configuration of PAC file for dynamic proxy selectionIntroduction Deploying a Proxy Auto-Configuration (PAC) file to manage network traffic routing is a powerful way to control proxy usage in an organization. However, the process can be tricky. In this post, I’ll share my journey of deploying a PAC file, including the pitfalls of hosting it on a local drive, the eventual success by… Read more: Configuration of PAC file for dynamic proxy selection
- What is Footprinting and Reconnaissance? (CEH)Key Objectives Types of Footprinting Footprinting and Reconnaissance Techniques Here’s a breakdown of common methods and tools, aligned with CEH: Hands-On Example: Passive Footprinting with TheHarvester Let’s walk through a practical example using TheHarvester, a CEH-favorite OSINT tool, to gather emails and subdomains passively. You’ll need Kali Linux (or another Linux distro) for this. If… Read more: What is Footprinting and Reconnaissance? (CEH)
- What will be the price of gold in 2025?
Gold remains a beacon for investors in turbulent times, and with 2025 shaping up to be economically volatile, many are wondering: what will gold’s price be by year-end? From U.S.-China trade tensions to AI-driven disruptions and shifting interest rates, global forces are driving gold’s trajectory. Here’s a detailed look at what to expect for gold… Read more: What will be the price of gold in 2025? - How to access whatsapp, facebook when travelling to China? (Get your VPN in easy way)
In today’s digital world, protecting your online privacy and accessing unrestricted content is more important than ever. Whether you’re browsing, streaming, or traveling, a VPN is your key to staying secure and free online. Here’s why you need a VPN, why Surfshark VPN stands out, and how you can use it effortlessly on your devices… Read more: How to access whatsapp, facebook when travelling to China? (Get your VPN in easy way) - How to renew your CCIE for free?
Renewing your Cisco Certified Internetwork Expert (CCIE) certification can be completely free by earning 120 Continuing Education (CE) credits through Cisco-approved courses. With Cisco’s streamlined system, credits from free courses are automatically applied to your profile, making recertification seamless. This guide walks you through renewing your CCIE for free as of April 16, 2025, detailing… Read more: How to renew your CCIE for free? - Tesla 2025 Monthly Price Rise Prediction TableThe table lists: Month, Estimated Rise (%), Potential Catalysts, and Long Straddle Suitability (recommendation and reasoning). The rise is relative to the current price of $252.15, based on analyst forecasts (e.g., CoinCodex predicts $410.86 by year-end, CoinPriceForecast $332-$346) and Tesla-specific events. Month Estimated Rise (%) Potential Catalysts Long Straddle Suitability January 0% to 5% –… Read more: Tesla 2025 Monthly Price Rise Prediction Table
- Router ACLs vs. Layer 7 Firewalls: A Technical Comparison for cyber securityIn network security and traffic management, router access-lists (ACLs) and Layer 7 firewalls (often next-generation firewalls, or NGFWs) are critical tools for controlling data flow. While both filter network traffic, they operate at different OSI layers, offer unique capabilities, and address distinct use cases. For networking professionals, understanding their differences is essential for designing secure,… Read more: Router ACLs vs. Layer 7 Firewalls: A Technical Comparison for cyber security
- Bolt.new vs. Cursor: Which AI Coding Tool is Best for Beginners on a Budget?If you’re new to coding or looking for an affordable AI-powered coding tool, Bolt.new and Cursor are two popular options. Both leverage AI to simplify development, but they cater to different needs and skill levels. In this post, we compare their pricing, features, and beginner-friendliness to help you decide which is right for your next… Read more: Bolt.new vs. Cursor: Which AI Coding Tool is Best for Beginners on a Budget?
- What are MCP? How to use it? Any security risk?
MCP Cursor refers to how the AI-powered code editor Cursor (a fork of VS Code) integrates MCP to extend its capabilities. Cursor acts as an MCP host, meaning it can connect to MCP servers (services exposing tools or data) through MCP clients (components managing the connection). For example, you could use Cursor to ask an… Read more: What are MCP? How to use it? Any security risk? - T-Contract IT Salaries of Hong Kong Government in 2025 (T26)
Estimated 2025 salaries and requirements for T-contract (term contract) IT roles in Hong Kong’s government, based on my experience and market trends. This covers Junior Programmer (Jp), Programmer (P), Assistant Programmer (Ap), Systems Analyst (Sa), Senior Systems Analyst (Ssa), Senior Systems Manager (Ssm), and Assistant General Manager (Agm). Salary Ranges (Monthly, Approx., 2025 Estimates): Discussion… Read more: T-Contract IT Salaries of Hong Kong Government in 2025 (T26) - Good learning material for drive in cyber security (Useful link)
- What is Shodan? A Security search engine other than google
Shodan, created by John Matherly in 2009, is a platform that crawls the internet to identify and catalog devices and systems with open ports or services exposed to the public internet. These can include: Shodan doesn’t just list these devices; it provides detailed metadata, such as: Think of Shodan as a map of the internet’s… Read more: What is Shodan? A Security search engine other than google - If you want to success, stop doing five things1. Jealousy Kills Peace Jealousy is a thief that steals your inner calm. It’s the sting of seeing someone else’s success and thinking, Why not me? Instead of finding joy in others’ wins, jealousy traps you in a cycle of comparison, leaving you restless and discontent. Example: Sarah scrolls through social media and sees her… Read more: If you want to success, stop doing five things
- What is LSTM for Stock Price Prediction?LSTM, or Long Short-Term Memory, is a type of recurrent neural network (RNN) designed to model and predict sequential data, particularly when there are long-term dependencies. Unlike traditional feedforward neural networks, LSTMs are well-suited for time-series data—like stock prices—because they can “remember” patterns over extended periods while handling the sequential nature of the data. Here’s… Read more: What is LSTM for Stock Price Prediction?
- Use AI to predict testla stock price: A Fun Experiment with LSTM
Hey everyone! Today, I decided to mess around with AI and stock prices by building a model to predict Tesla’s stock (TSLA) using LSTM—a fancy neural network that’s great for time series stuff like this. I’ve got the code, the results, and a little graph to share, so let’s dive in! Why Tesla? Why LSTM?… Read more: Use AI to predict testla stock price: A Fun Experiment with LSTM - Escaping the Solar System with a Self-Sustaining Ship
The Sun powers our world, but it won’t last forever. In 5 billion years, it’ll swell into a red giant, roasting Earth. Could we flee to Mars or Neptune? Or better yet, build a giant ship with a “tiny sun” to leave the Solar System entirely? Let’s dive into the Sun’s fiery heart, Earth’s molten… Read more: Escaping the Solar System with a Self-Sustaining Ship