/reviewed-on !1

  This may load kvm and so chmod 666 for /dev/kvm on start up

  As the distribution contains older python the code assertion fail on some test files, remove them is safe

  else the more recents rpm based linux cannot build packages.

This simplifies the procedure to debug.

This key has a short expiration period which becomes impractical check expiration date all the run, so
I am removing and reading later the key as upgrade happens once a month.

  Install lm-sensors in order to measure hardware temperature on re6st
  Don't upgrade kernel for now until the procedure is well defined and working
  Invoke re6stnet role for update it's configuration