How to Build a 12v Lithium Battery from old Laptop Cells. Then put inside a UPS to charge from home, or a Solar panel. In order to run your 120vAC, 12vDC, and 5vDC devices off-grid.

Building a 3S5P (3 in series, 5 in parallel) 12v Lithium battery pack from old 18650 laptop battery cells.  To put in an old UPS, and use as a solar charger and inverter to run 5v, 12v, 24v, and 120v devices.  Charging either with 120v AC, or a 15v-21v solar panel.   Ingredients: 15x 18650 cells Read more about How to Build a 12v Lithium Battery from old Laptop Cells. Then put inside a UPS to charge from home, or a Solar panel. In order to run your 120vAC, 12vDC, and 5vDC devices off-grid.[…]

Editing the PXE Boot Menu using Ubuntu 18.04 LTSP

I had the idea to present the user with a PXE menu to install Ubuntu. After researching the idea, I decided to forgo this option, and utilize instead a zenity menu that could also be accessed by epoptes: github.com/jphein/boxen/… However if you are interested in the PXE boot menu, and netbooting into a Ubuntu install Read more about Editing the PXE Boot Menu using Ubuntu 18.04 LTSP[…]