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On the flip side, when there is a kernel vulnerability, there's only 1 kernel to update! If you're running the Canonical Livepatch Service, for instance, criti
by dustinkirkland 10y ago
On the flip side, when there is a kernel vulnerability, there's only 1 kernel to update! If you're running the Canonical Livepatch Service, for instance, critical security vulnerabilities are patch in real time, without reboot, and all containers running immediately benefit from the patch. Conversely, if you're running 50 Linux Xen or KVM machines, you have 51 kernels to update. So yeah, do think about what "attack surface" actually means, when comparing LXD and Full Virtualization.
- bonzini 10y agoIf you manage so many hosts you had better use Ansible, or Satellite or whatever so that updating 1 or 50 or 500 hosts is the same effort.