https://support.tools/tags/nodelocaldns/Recent content in NodeLocalDNS on Support ToolsHugoen-USTue, 14 Jan 2025 00:00:00 -0500https://support.tools/coredns-nodelocaldns-troubleshooting-monitoring/Tue, 14 Jan 2025 00:00:00 -0500https://support.tools/coredns-nodelocaldns-troubleshooting-monitoring/<p>DNS is the cornerstone of any Kubernetes cluster, enabling seamless communication between services. CoreDNS and NodeLocalDNS are key components in ensuring efficient DNS resolution. In this blog post, we explore what CoreDNS and NodeLocalDNS are, their role in RKE2 clusters, how to troubleshoot common issues, and techniques for effective monitoring.</p> <h3 id="what-is-coredns">What is CoreDNS?</h3> <p>CoreDNS is a flexible, extensible DNS server that serves as the default DNS provider for Kubernetes clusters. It performs name resolution within the cluster and provides:</p>https://support.tools/post/kubernetes-coredns/Fri, 03 Feb 2023 01:02:00 -0600https://support.tools/post/kubernetes-coredns/<p>DNS is an essential component of any network infrastructure, providing resolution for hostnames to IP addresses. In a Kubernetes cluster, DNS plays a critical role in enabling communication between pods and services, as well as with external resources. In this post, we&rsquo;ll look at how CoreDNS and NodeLocalDNS work in a Kubernetes cluster to provide efficient and reliable DNS resolution.</p>