MaGe Linux Operations

Feb 11, 2024 · Cloud Native

Overriding DNS in Kubernetes Pods: Hosts, HostAliases, CoreDNS & Custom Strategies

This article explores multiple methods to specify custom DNS resolution inside Kubernetes containers, including editing /etc/hosts, using HostAliases, modifying the CoreDNS ConfigMap, applying custom DNS policies, and evaluating third‑party DNS plugins, with example manifests and code snippets.