Arul's Blog Posts
How to Disable Firefox Potential Security Risk Ahead Warning
This blog post shows how to disable Firefox's "Potential Security Risk Ahead" warnings on certain whitelisted or allowlisted websites.... continue reading
This blog post shows how to disable Firefox's "Potential Security Risk Ahead" warnings on certain whitelisted or allowlisted websites.... continue reading
{ updated: 2025-02-02 03:18:26 }
How to Monitor Let's Encrypt Certificate Expiry Dates
Bash script on monitoring local Let's Encrypt SSL certificates. This runs as a cron job.... continue reading
Bash script on monitoring local Let's Encrypt SSL certificates. This runs as a cron job.... continue reading
{ updated: 2025-02-01 22:14:13 }
How to Find the Difference Between Two Lists in Python
Sample code showing how to find the difference between two lists in Python.... continue reading
Sample code showing how to find the difference between two lists in Python.... continue reading
{ updated: 2025-01-29 22:40:16 }
How to Change the Author of a Git Commit
Tutorial on how to change the author name and email address of an existing git commit.... continue reading
Tutorial on how to change the author name and email address of an existing git commit.... continue reading
{ updated: 2025-01-29 22:20:19 }
Mac OS X Terminal: Keyboard word shortcut
Mac Terminal shortcut to jump from word to word... continue reading
Mac Terminal shortcut to jump from word to word... continue reading
{ updated: 2025-01-29 21:44:02 }
How to install Raspberry Pi OS bullseye on a Raspberry Pi Zero or Zero 2 W using rpi-imager
Blog post on installing Raspberry Pi OS bullseye Debian 11 on a Raspberry Pi Zero or Zero 2 W. Most of these instructions should work on a regular Raspberry Pi as well.... continue reading
Blog post on installing Raspberry Pi OS bullseye Debian 11 on a Raspberry Pi Zero or Zero 2 W. Most of these instructions should work on a regular Raspberry Pi as well.... continue reading
{ updated: 2025-01-29 21:19:52 }
How to Install the Latest Nginx Version 1.27 on Debian 12 bookworm
Tutorial on how to install Nginx web server Mainline version on Debian 11 bullseye or 12 bookworm.... continue reading
Tutorial on how to install Nginx web server Mainline version on Debian 11 bullseye or 12 bookworm.... continue reading
{ updated: 2025-01-22 15:21:58 }
How to Set Up and Secure Your Linode Server
Tutorial on steps taken to set up and strenghten your new Linode server. We will show how to install Debian 12, set up firewall, accounts, etc.... continue reading
Tutorial on steps taken to set up and strenghten your new Linode server. We will show how to install Debian 12, set up firewall, accounts, etc.... continue reading
{ updated: 2025-01-21 22:50:08 }
How to Flatten a List of Lists in Python
Tutorial showing different ways to flattenn a list of lists in Python. Includes recursive and iterative methods.... continue reading
Tutorial showing different ways to flattenn a list of lists in Python. Includes recursive and iterative methods.... continue reading
{ updated: 2025-01-21 22:09:18 }
How to Import CSV and Pipe-Delimited Files to SQLite Tables
Blog post on how to import CSV and pipe-delimited files into SQLite tables.... continue reading
Blog post on how to import CSV and pipe-delimited files into SQLite tables.... continue reading
{ updated: 2025-01-10 07:21:05 }
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