Start an interactive bash prompt in Kubernetes with custom pod options
Add --overrides='{ "spec": { "hostAliases": [ { "ip": "8.8.8.8", "hostnames": [ "dns.google" ] } ] } }' to the kubectl run command:
kubectl run my-shell --rm -i --tty --image ubuntu --overrides='{ "spec": { "hostAliases": [ { "ip": "8.8.8.8", "hostnames": [ "dns.google" ] } ] } }' -- bashReference: https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#run