Arul's Blog Posts

Bitcoin Fell Below $110,000 After High of $124,000 in August 2025
Bitcoin Fell Below $110,000 After High of $124,000 in August 2025. Possible reasons and future.... continue reading
{ updated: 2025-09-26 23:03:20 }
Cryptocurrency Heists in 2022
Blog post about cryptocurrency heists in 2022. This will be updated through the end of 2022.... continue reading
{ updated: 2025-09-26 19:50:23 }
How to Install OpenJDK Java 8 on MacOS using Homebrew in 2025
Tutorial on how to use Homebrew to install Java OpenJDK 8 for the Mac. This works for 2025 onward.... continue reading
{ updated: 2025-09-26 18:14:21 }
How to Package Amazon Frogbit (Limnobium laevigatum) Aquarium Plants
Blog post on how to pack Amazon Frogbit aquarium plants for shipping via USPS, FedEx or UPS, or to a local buyer.... continue reading
{ updated: 2025-09-26 16:53:23 }
How to Add HTTP Referer to Curl Commands
Tutorial on how to add HTTP referer to curl commands... continue reading
{ updated: 2025-09-24 18:45:25 }
How to Read a File Line by Line in Linux
Tutorial on how to read a file line by line in Linux, BSD, macOS and other variants.... continue reading
{ updated: 2025-09-24 17:55:04 }
How to Clear DNS Cache on Your OpenWRT Router and Computer
Tutorial on how to refresh the DNS cache on your router running OpenWRT, DD-WRT or similar firmwares. Includes commands to delete DNS cache on your computer... continue reading
{ updated: 2025-09-22 18:09:55 }
How to Find the Operating System in Python
Different ways to find the operating system name using Python.... continue reading
{ updated: 2025-09-22 03:28:02 }
I Added More Than 100 Shrimp to our Planted Aquariums
Last weekend, I acquired more than a hundred shrimp from a hobbyist who was leaving town. This blog post is how I added them to our tanks and what to feed them.... continue reading
{ updated: 2025-09-17 19:27:34 }
Python for Kids: a 30-Day Roadmap
This blog post is about a suggested timeline on how to teach Python to kids. This includes a list of topics to teach core Python for school age. Python 3.13... continue reading
{ updated: 2025-09-17 17:07:05 }

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