I'm preparing for a job interview where I'll be discussing bare metal Kubernetes (k8s). While I mentioned that I'm familiar with bare metal k8s, my experience is mainly with cloud-managed solutions. What types of questions might they ask about bare metal installations, and how can I best prepare my answers? I'd really appreciate any insights or experiences anyone can share!
3 Answers
One important thing might be how to handle networking and load balancing. Make sure you're familiar with options like MetalLB or Kube-VIP, even though some folks claim HAProxy is more widely used. If you're not totally comfortable with bare metal yet, brushing up on these tools will definitely give you a leg up!
Since you have mostly cloud experience, be ready for some tough questions. They might ask you about your installation process on bare metal, the challenges you've faced, and the differences from cloud setups. You should also know about common tools like MetalLB and Kube-VIP, as you might get questions related to load balancing on bare metal. Be honest about your experience, too—it's better than pretending to know more than you do!
Definitely expect questions on the basic operations of bare metal k8s, such as how to upgrade a cluster or manage etcd backups. These are critical for maintaining a healthy k8s environment. If you haven't worked with bare metal before, consider reading up on these topics to be prepared. It's a big shift from managed services, but being proactive about learning can help you out.
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