view the upstream gist by bgulla -> https://gist.github.com/bgulla/7a6a72bdc5df6febb1e22dbc32f0ca4f
additional docs from bcdurden -> https://github.com/bcdurden/rke2-kube-vip
cat << EOF >> /etc/sysctl.conf
### Modified System Settings
vm.swappiness=0
vm.panic_on_oom=0
vm.overcommit_memory=1
kernel.panic=10