altlinux@k8s-srv1 ~]$ sudo kubeadm init --config /etc/kubernetes/kubeadm-config.yaml --upload-certs
W0416 06:53:46.563370 21363 utils.go:69] The recommended value for "clusterDNS" in "KubeletConfiguration" is: [10.96.0.10]; the provided value is: [169.254.25.10]
[init] Using Kubernetes version: v1.35.0
[preflight] Running pre-flight checks
[WARNING Hostname]: hostname "k8s-srv1" could not be reached
[WARNING Hostname]: hostname "k8s-srv1": lookup k8s-srv1 on 8.8.8.8:53: no such host
[preflight] Some fatal errors occurred:
[ERROR Port-10259]: Port 10259 is in use
[ERROR Port-10257]: Port 10257 is in use
[ERROR FileAvailable--etc-kubernetes-manifests-kube-apiserver.yaml]: /etc/kubernetes/manifests/kube-apiserver.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-kube-controller-manager.yaml]: /etc/kubernetes/manifests/kube-controller-manager.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-kube-scheduler.yaml]: /etc/kubernetes/manifests/kube-scheduler.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-etcd.yaml]: /etc/kubernetes/manifests/etcd.yaml already exists
[ERROR Port-10250]: Port 10250 is in use
[ERROR Port-2379]: Port 2379 is in use
[ERROR Port-2380]: Port 2380 is in use
[ERROR DirAvailable--var-lib-etcd]: /var/lib/etcd is not empty
[preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`
error: error execution phase preflight: preflight checks failed
To see the stack trace of this error execute with --v=5 or higher
[altlinux@k8s-srv1 ~]$ sudo nano /etc/kubernetes/kubeadm-config.yaml
[altlinux@k8s-srv1 ~]$