How Big Is the Universe? A Mind-Blowing Exploration
Reference by : Mr & Mrs Gao老高與小茉 – 宇宙有多大 Have you ever looked up at the night sky and wondered […]
How Big Is the Universe? A Mind-Blowing Exploration Read Post »
Lazy-guy’s Theory
March 2025
News
Elon Musk’s Pentagon Visit: Innovation, Controversy, and a Dash of Drama
Yesterday, March 21, 2025, Elon Musk made waves—again—this time with a high-profile visit to the Pentagon. The tech titan, now
Elon Musk’s Pentagon Visit: Innovation, Controversy, and a Dash of Drama Read Post »
Networking, Threat & Vulnerability
What you should know in WAF and Layer7 firewall?
In the realm of application-layer security, two tools stand out: the Web Application Firewall (WAF) and the Layer 7 Firewall.
What you should know in WAF and Layer7 firewall? Read Post »
Lazy-guy’s Theory
The Fermi Paradox: Why Haven’t We Found Aliens?
Reference by : Mr & Mrs Gao老高與小茉 Today i found one famous youtube channel explain Fermi Faradox and summrize below:
The Fermi Paradox: Why Haven’t We Found Aliens? Read Post »
Python demonstration: Does luck makes you rich?
This game will now run only once (a single simulation), and the number of rounds is 80 to represent 80 years (assuming each round is a year). The setup remains the same: 10,000 players start with $10,000 each, with the first 10 players having a 60% chance of good outcomes (+20%), the last 10 players having a 40% chance, and the rest at 50%. After 80 rounds, it will output the top 20 players and count how many have $0.
Python demonstration: Does luck makes you rich? Read Post »
AI, News
Compare Grok3 and gpt-4o
Key Points Model Capabilities Grok 3, launched in February 2025 by xAI, is designed for technical reasoning and real-time data,
Compare Grok3 and gpt-4o Read Post »
Networking, Troubleshooting
How to Troubleshoot IPsec VPN Issues: Step-by-Step Guide for Palo Alto 820
IPsec VPNs are critical for securely connecting distributed sites, such as a core office with a Palo Alto PA-820 firewall
How to Troubleshoot IPsec VPN Issues: Step-by-Step Guide for Palo Alto 820 Read Post »
Networking, Troubleshooting
Investigating PAN-273949: A Potential Resolution for SSL Decryption Deny Log Anomalies
In a previous analysis, detailed in The Curious Case of Deny Logs in Palo Alto SSL Decryption: A Troubleshooting Journey
Investigating PAN-273949: A Potential Resolution for SSL Decryption Deny Log Anomalies Read Post »
Cyber Security, News, Something related to wealth
Top 5 CDN service provider in the market of 2025
Market Share Overview The CDN market is dominated by a few key players, and their market share varies depending on
Top 5 CDN service provider in the market of 2025 Read Post »
Cisco, Networking
Lab to configure a Cisco VXLAN EVPN-BGP fabric with a spine-leaf topology
Let’s set up a lab to configure a Cisco VXLAN EVPN-BGP fabric with a spine-leaf topology, including normal leaf switches
Lab to configure a Cisco VXLAN EVPN-BGP fabric with a spine-leaf topology Read Post »
Cisco, Networking
Setting Up a Cisco Switch with Python Automation
Let’s dive into setting up a Cisco switch using Python automation! This is a great way to streamline network configuration
Setting Up a Cisco Switch with Python Automation Read Post »
News
Can AI and Gene Research Cure Cancer, AIDS, and Fix “Bad DNA” in Sperm? Unveiling the Future of Medicine
What if we could wipe out cancer, control AIDS, and ensure babies are born without genetic diseases? It sounds like
Crypto, News, Something related to wealth
Which crypto coin worth to buy in 2025?
Why Bitcoin and Ethereum Are Top Picks? Bitcoin (BTC) and Ethereum (ETH) are seen as the most reliable investments for
Which crypto coin worth to buy in 2025? Read Post »
Coding
9 Best Free Plugins for WordPress in 2025: Boost Your Site Without Spending a Dime
Introduction WordPress powers over 40% of the web, and its flexibility comes from its vast plugin ecosystem. Whether you’re building
9 Best Free Plugins for WordPress in 2025: Boost Your Site Without Spending a Dime Read Post »
News
The Mars Square: Natural Wonder or Ancient Artifact?
The Mars Square: Natural Wonder or Ancient Artifact? A strange, square-shaped formation on Mars has recently sparked a wave of
The Mars Square: Natural Wonder or Ancient Artifact? Read Post »
Crypto, Cyber Security, Learning Material, News
Deep Dive into Ransomware Embedded in Phishing Attachments
Ransomware attacks are on the rise, and one of the sneakiest delivery methods involves embedding malicious code in phishing email
Deep Dive into Ransomware Embedded in Phishing Attachments Read Post »
Coding, Crypto, Learning Material
How Node.js Ransomware Sneaks Through Phishing: A Deep Dive for 2025
Introduction: The Hidden Danger of Node.js in Phishing Attacks Phishing emails are old news, but what if one tricked you
How Node.js Ransomware Sneaks Through Phishing: A Deep Dive for 2025 Read Post »
Crypto, Learning Material
Node.js vs. Browser JavaScript: Security Risks and Crypto Wallet Generators Explained
Introduction: Why Node.js and Crypto Wallets Matter If you’ve ever wondered how JavaScript—the language behind interactive websites—can power tools like
Node.js vs. Browser JavaScript: Security Risks and Crypto Wallet Generators Explained Read Post »
Crypto, Learning Material
Session 2: Crafting a Crypto Wallet
Key Points Introduction This course will guides you through crafting a crypto wallet, focusing on how wallets interact with blockchains
Session 2: Crafting a Crypto Wallet Read Post »
News
SpaceX’s start rescue the two astronauts unspected stay in ISS and return on 19 Mar 2025
SpaceX’s plan to rescue the two astronauts, Suni Williams and Butch Wilmore, from the International Space Station (ISS) involves a
SpaceX’s start rescue the two astronauts unspected stay in ISS and return on 19 Mar 2025 Read Post »
Networking, Troubleshooting
Cloudflare Flexible SSL vs. Full SSL: Fixing WordPress 301 Redirect Loops
I recently added Cloudflare CDN to my WordPress site on Linode, updated GoDaddy nameservers to Cloudflare, and bam—every link hit
Cloudflare Flexible SSL vs. Full SSL: Fixing WordPress 301 Redirect Loops Read Post »
Crypto, News, pi network
pi network domain auction start
Pi Network Launches .pi Domain Auction: Join the Pi Ecosystem Pi Network has just started its .pi domain auction on
pi network domain auction start Read Post »
Networking, Troubleshooting
Configuring Fortinet Firewall Outbound Management: Cisco Mgmt VRF Equivalent
If you’re familiar with Cisco’s Management VRF, where management traffic is isolated into a separate routing domain, you might wonder
Configuring Fortinet Firewall Outbound Management: Cisco Mgmt VRF Equivalent Read Post »
Crypto, News, pi network
Pi Network’s Grace Period Deadline Passes: What It Means for New and Existing Users
Yesterday, March 14, 2025, marked the end of the Pi Network’s extended Grace Period for KYC (Know Your Customer) verification
Pi Network’s Grace Period Deadline Passes: What It Means for New and Existing Users Read Post »
Share a real world cyber security drill
For three relentless days—24 hours non-stop—I served on the blue team during a government cybersecurity drill that pushed us to
Share a real world cyber security drill Read Post »
Cisco, Networking
How Cisco NDR to discover network activity?
Key Points What Cisco Secure Network Analytics Does Cisco Secure Network Analytics is a tool that watches your network like
How Cisco NDR to discover network activity? Read Post »
Networking, Troubleshooting
FortiADC TLS Mismatch with Backend Servers: A Real-World Troubleshooting Case
As a network engineer managing a mixed environment—Cisco, Juniper, FortiADC, and AWS CDN—I recently hit a head-scratcher that didn’t have
FortiADC TLS Mismatch with Backend Servers: A Real-World Troubleshooting Case Read Post »
Coding, Crypto, Learning Material, python
Explain crypto private and public key, hash-address and how transaction record
Let’s create a simplified Python demo to illustrate how a private key generates a public key, how that public key
Explain crypto private and public key, hash-address and how transaction record Read Post »