The Science of Temperature and Humidity and Clouds
Imagine you have a big pot of water and you put it on the stove to heat up. As the water heats up, it starts to boil. When water boils, it turns into steam. Steam is a gas, and it…
Gabriel Kheisa
Online games, metaverse, and the layer two of reality?
Background Online games are a ubiquitous feature of modern society, enjoyed by people of all ages and backgrounds. Their popularity can be attributed to a variety of factors, including their entertainment value, social interaction potential, educational potential, and therapeutic benefits.…
How Living Things Reverse the Flow of Entropy?
“Living things avoid decay into disorder and equilibrium” Erwin Schrödinger Background Biological creatures, from a physics perspective, can be seen as entities that tend to avoid disorder and equilibrium, and also relatively tend to reverse the flow of entropy. Entropy…
How to Use Fail2ban and Nginx to Implement Temporary IP Bans and Rate Limiting
Background and Introduction Denial-of-service (DoS) attacks are a common threat to web servers and other online services. These attacks attempt to overwhelm a server with traffic, making it unavailable to legitimate users. Nginx is a popular web server that is…
Setting up a DNS over HTTPS (DoH) proxy for your OpenWrt router
Background DNS hijacking is a technique used by ISPs to redirect DNS queries to their own servers. This can be done for a variety of reasons, such as to block access to certain websites, to collect data about users’ browsing…
Setting up an OpenVPN client for your OpenWrt router
Want to protect your online privacy and security? a complete network isolation? Install OpenVPN on your router and forget about it. All of your devices will be protected automatically, no need to install any VPN apps. OpenVPN encrypts all of…
What’s the relation between mental health and routine?
The relationship between mental health and routine can be significant. Establishing and maintaining a healthy routine can have a positive impact on mental well-being. Here are a few ways in which routine can influence mental health: Happy Men’s Health Month!
From Bare Metal to Cloud: A Journey of Server Evolution and Lessons Learned
Chapter 1: The Birth of a Bare Metal Server In 2019, armed with determination and a desire for exploration, I embarked on a fascinating journey into the realm of server administration. With an old laptop powered by an Intel Celeron…
How to deploy your own DNSCrypt Proxy home server
DNS hijacking is when someone changes the address book that computers use to find websites on the internet. Imagine you have a big book that tells you where all your friends live. When you want to visit your friend’s house,…
How to protect your website with reCAPTCHA
reCAPTCHA is like a game that helps the computer know if you are a real person or a robot. When you go to some websites, they ask you to solve a puzzle or pick some pictures to show that you…