jfdesignnet

He’s a pun peddler and alliteration aficionado, or at least that’s the persona he cultivates. When not crafting blog posts, you’ll find him indulging his inner child by buying toys, chasing endorphins with a jog or swimming, and occasionally wrestling with the enigma of installing Linux on things he shouldn’t …

Running Docker in LXC Container

VMs require more resources from the hypervisor and much slower compare to lxc container especially the boot speeds.

Music Year 2023 in Review

A celebration of my scrobbled songs in 2023

zsh shell

If you work on many projects and always jump from one to another, there are times when you forget which branch you are standing on.

Potentiometer cleaning

There are many applications for potentiometers, including volume and tone control in audio equipment, brightness and contrast control in televisions and monitors

Migrate GitLab Server

migrating or moving any production server always have an own risk. Especially, if the running production server version is outdated and the system administrator never or cannot update them due to company policy or else.

GWeatherstation

Weather station monitor system to monitor temperatures in many rooms or buildings and display all changes in temperature and air pressure in one web page that can be monitored easily from a browser.

ili9341 SPI TFT screen on buster

Just recently bought this cheap ili9341 spi tft lcd from online store and want to test it whether it’s working or not.

Temperature sensor for Home Assistant

It’s really a tiny sensor with low-cost sensing solution for measuring barometric pressure and temperature. Because pressure changes with altitude this can also be use as an altimeter.

Northern Lights

Weird, beautiful, eerie, and kind of mystical.

Real time clock module

The RTC also useful to keep track the system time clock during power outage or intermittent power supply where the time is critical especially for transaction application.