Robuta

https://www.plesk.com/kb/support/email-notification-is-sent-from-kernelcare-usr-bin-kcarectl-auto-update-gradual-rolloutauto-unknown-kernel/

https://en.wikipedia.org/wiki/KernelCare

https://www.hawkhost.com/blog/2020/07/09/kernelcare-vulnerability-patching-now-available-on-cloud-computes/