Memory at 99% CPU1, memory hogging

[ericmarceau]

Oswald, there is no real need to keep that many old kernels around. Those should be periodically purged.

I suggest you have a look at what I shared in another post:

Handy Wrapper Script - Triage of Bootable Kernels

Sometimes, you want to keep older bootable kernels around, either as failsafe or for context-based testing. At some point, you may want to purge a selection of those older versions. This script only keeps the two most recent bootable kernels and prompts the purge of the other ones. Script: OS_Admin__bootBinaries_ReviewAndPurge.sh

In case you might have missed them, I made some additional suggestions for changes that you might want to make to your GRUB file in my earlier post.