YUM INSTALL OR UPDATE MAY FAIL Nov 2019
Repos in directory /etc/yum.repos.d have mirror line set to "https:" and some mirrors may require "http:" .
Alternative to mirror is to uncomment baseurl lines and comment out mirror lines.
For fedora*.repo , then add to the path "archive/" after "pub/"
BATTERIES WITH REDUCED RUNTIME CAN BE "RE-BALANCED" TO RESTORE Mar 2019
Firmware command "bat-recover" with repeated 10 second charging interruptions can be used to increase run time by re-balancing two cells in the battery. Unbalance is a state where one of the cell is more discharged.