While cleaning up a room at home in preparation for some new flooring, I found my original documents from when I first became certified as an Emergency Medical Technician (EMT) in Texas.
If you find that /dev/null is no longer a block device, and it causes issues during init on Red Hat boxes, you will need to follow these steps to return things to normal:
If up2date throws some horrible Python errors and rpm says “rpmdb: Lock table is out of available locker entries”, you can restore your system to normality with the following: