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RBAC in Kubernetes
In a previous post in this Kubernetes guide, you learned about deploying stateful applications with Kubernetes StatefulSets. Today, we will discuss role-based access control (RBAC) in Kubernetes, which controls who can access Kubernetes cluster resources. It uses roles and role bindings to grant permissions to subjects, such as users, groups, or service accounts.
The post RBAC in Kubernetes first appeared on 4sysops.Kubernetes CoreDNS
In a previous post in this Kubernetes guide, you learned about deploying stateful applications with Kubernetes StatefulSets. Today's post will discuss Kubernetes CoreDNS. Earlier versions of Kubernetes used kube-dns to provide service discovery and name resolution within the cluster, which was based on dnsmasq and SkyDNS. The kube-dns had many problems, such as security vulnerabilities, scalability concerns, and higher latency, so starting with Kubernetes version 1.13, CoreDNS became the default cluster DNS server.
The post Kubernetes CoreDNS first appeared on 4sysops.Update container images with Copa
Copa, an open-source container image security tool from Microsoft, addresses the need to update container images. It lets you immediately patch container image vulnerabilities without relying on developers or maintainers.
The post Update container images with Copa first appeared on 4sysops.