Getting 401 unauthorized on Asterisk Login in spite of correct creds in PJSIP.Conf
Rest all being good, the issue was the credentials from chan_sip module (sip.conf) were being picked up. Do these: Sreekumar KjSreekumar (KJ) has been a hobby p...
Author: Sreekumar Kj
Sreekumar (KJ) has been a hobby programmer from school days. Codemarvels is his personal blog from the year 2010, where he writes about technology, philosophy, society and a bit about physics.
He now runs a conversational AI company - DheeYantra - focusing his efforts to help businesses improve operational efficiency using digital employees powered by AI.
The Universe May Be Running at 10⁴³ FPS — And Planck Already Knew It
In 1899, Max Planck uncovered something timeless: the smallest unit of time that still has physical meaning. We now call it Planck time: tP≈5.39×10−44 seconds ...
Heard of ScyllaDB? A Glitch Reveals My Data Stack’s Limits – And Our Response to it.
Deployed systems have a knack for humbling even experienced engineers. You trust your stack—until one morning it silently fails. Last week, during DheeGPT’s dev...
Activate back lighting of LIVE TECH gaming keyboard on Ubuntu
To enable the back light LEDs of the Live Tech keyboard in Ubuntu follow these steps sudo apt install brightnessctl sudo brightnessctl -ls #note the scrolllock ...
Network devices not found after Ubuntu upgrade from 20.04 LTS to 22.04 LTS
I had recently upgraded my laptop from Ubuntu 20.04 from 22.04. Once restarted after the upgrade, my laptop just wouldn’t connect to any network (LAN/Wifi/USB t...
Fix ChromaDB startup error: Your system has an unsupported version of sqlite3.
Problem: After installing chromadb, when we try to start it using the command chroma run --host localhost --port 8000 --path /home/user/chromadata Its give this...
Tweaked steps to prevent path errors in ionic capacitor + reactJS projects
Follow these: sudo chmod -R 777 . #incase sudo trapped at install time.ionic capacitor copy ioscp -r build/static ios/App/App/public/{custom-context-path-if-any...
A QR Code Scanner Component for Cordova in ReactJS that works on Android.
Yes, a component that does the job well. Code below, customise for your use case. Note: It does not use the “cordova-plugin-qrscanner” which is broken at the ti...
Ubuntu Fix: Newly added volume shows size of only few 100 MBs
Run this command, (assuming the format and mounting was done correctly). sudo resize2fs /dev/{device} Kj Sreekumar KjSreekumar (KJ) has been a hobb...
Runbook: Upgrade NodeJS on Ubuntu
Here are the steps you can follow to upgrade NodeJS on an Ubuntu system. sudo rm -rf /usr/local/bin/npm /usr/local/share/man/man1/node* ~/.npm sudo rm -rf /usr/...