Arul's Blog Posts
How to sync your Raspberry Pi to remote time servers
The Raspberry Pi has no built-in clock. The Raspberry Pi OS makes regular calls to remote time servers to fetch the current time.... continue reading
The Raspberry Pi has no built-in clock. The Raspberry Pi OS makes regular calls to remote time servers to fetch the current time.... continue reading
{ updated: 2023-12-10 23:59:59 }
How to Enable HSTS in Nginx, Apache, Flask, NodeJS
This blog post shows how to enable HSTS in Nginx, Apache, Flask and NodeJS.... continue reading
This blog post shows how to enable HSTS in Nginx, Apache, Flask and NodeJS.... continue reading
{ updated: 2023-12-09 23:59:59 }
Web Controllable Christmas Lights using Raspberry Pi and RGB LED Strip
Web controllable Christmas lights using Raspberry Pi and RGB LED strip. You can change the LED strip colours.... continue reading
Web controllable Christmas lights using Raspberry Pi and RGB LED strip. You can change the LED strip colours.... continue reading
{ updated: 2023-10-23 23:59:59 }
10 Gallon Blue Diamond Shrimp Tank
How to set up a 10 gallon shrimp tank with no filter, no heater and no water changes. Not Walstad, but close, and with lots of plants.... continue reading
How to set up a 10 gallon shrimp tank with no filter, no heater and no water changes. Not Walstad, but close, and with lots of plants.... continue reading
{ updated: 2023-10-13 23:59:59 }
Why Are There Traffic Advice 404 Errors in My Web Server Logs?
This blog post shows you how to handle 404 not found errors for the file /.well-known/traffic-advice in your Nginx or Apache web server logs.... continue reading
This blog post shows you how to handle 404 not found errors for the file /.well-known/traffic-advice in your Nginx or Apache web server logs.... continue reading
{ updated: 2023-10-01 23:59:59 }
Cryptocurrency Heists in 2022
Blog post about cryptocurrency heists in 2022. This will be updated through the end of 2022.... continue reading
Blog post about cryptocurrency heists in 2022. This will be updated through the end of 2022.... continue reading
{ updated: 2023-09-17 15:53:02 }
Grep command in Linux and Unix with examples
Grep command in Linux and Unix with examples related to practical use, at work.... continue reading
Grep command in Linux and Unix with examples related to practical use, at work.... continue reading
{ updated: 2023-08-26 23:59:59 }
Common Scams Targeting Senior Citizens
List of top scams targeting the elderly senior citizens.... continue reading
List of top scams targeting the elderly senior citizens.... continue reading
{ updated: 2023-08-20 23:59:59 }
How to find IP addresses from a hostname
This blog post shows how to get the IP addresses associated to a domain name using Linux or Unix.... continue reading
This blog post shows how to get the IP addresses associated to a domain name using Linux or Unix.... continue reading
{ updated: 2023-08-09 23:59:59 }
How to install Python packages offline
This tutorial shows you how to install Python packages if your computer is offline or the firewall prevents connection to pypi.org.... continue reading
This tutorial shows you how to install Python packages if your computer is offline or the firewall prevents connection to pypi.org.... continue reading
{ updated: 2023-02-26 23:59:59 }
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