cattle-cluster-agent is in CrashLoopBackOff on another node where I run the register command again... in a brand new defined cluster using the deprecated k3s mentioned in the course. node3:/home/rogue # kubectl logs cattle-cluster-agent-5945f94d98-7nm8s -n cattle-system INFO: Environment: CATTLE_ADDRESS=10.42.0.6 CATTLE_CA_CHECKSUM=b57fe24be5ea7fd6755ad99de5d989b285191b6e4316a88e93bd170d3d0f6526 CATTLE_CLUSTER=true CATTLE_CLUSTER_AGENT_PORT=tcp://10.43.247.119:80 CATTLE_CLUSTER_AGENT_PORT_443_TCP=tcp://10.43.247.119:443 CATTLE_CLUSTER_AGENT_PORT_443_TCP_ADDR=10.43.247.119 CATTLE_CLUSTER_AGENT_PORT_443_TCP_PORT=443 CATTLE_CLUSTER_AGENT_PORT_443_TCP_PROTO=tcp CATTLE_CLUSTER_AGENT_PORT_80_TCP=tcp://10.43.247.119:80 CATTLE_CLUSTER_AGENT_PORT_80_TCP_ADDR=10.43.247.119 CATTLE_CLUSTER_AGENT_PORT_80_TCP_PORT=80 CATTLE_CLUSTER_AGENT_PORT_80_TCP_PROTO=tcp CATTLE_CLUSTER_AGENT_SERVICE_HOST=10.43.247.119 CATTLE_CLUSTER_AGENT_SERVICE_PORT=80 CATTLE_CLUSTER_AGENT_SERVICE_PORT_HTTP=80 CATTLE_CLUSTER_AGENT_SERVICE_PORT_HTTPS_INTERNAL=443 CATTLE_CLUSTER_REGISTRY= CATTLE_FEATURES=embedded-cluster-api=false,fleet=false,monitoringv1=false,multi-cluster-management=false,multi-cluster-management-agent=true,provisioningv2=false,rke2=false CATTLE_INGRESS_IP_DOMAIN=sslip.io CATTLE_INSTALL_UUID=c6e1da0b-b08c-458b-9023-838ec5461689 CATTLE_INTERNAL_ADDRESS= CATTLE_IS_RKE=false CATTLE_K8S_MANAGED=true CATTLE_NODE_NAME=cattle-cluster-agent-5945f94d98-7nm8s CATTLE_RANCHER_WEBHOOK_MIN_VERSION= CATTLE_RANCHER_WEBHOOK_VERSION=2.0.5+up0.3.5 CATTLE_SERVER=https://rancher.roguestarr.com CATTLE_SERVER_VERSION=v2.7.6 INFO: Using resolv.conf: search cattle-system.svc.cluster.local svc.cluster.local cluster.local nameserver 10.43.0.10 options ndots:5 ERROR: https://rancher.roguestarr.com/ping is not accessible (Could not resolve host: rancher.roguestarr.com) node3:/home/rogue # dig rancher.roguestarr.com ; <<>> DiG 9.16.44 <<>> rancher.roguestarr.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5085 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ;; QUESTION SECTION: ;rancher.roguestarr.com. IN A ;; ANSWER SECTION: rancher.roguestarr.com. 300 IN A 192.168.2.253