#Links kube-apiserver haproxy stats: - http://clustername.clusterdomain.tld:9000/stats - https://kubernetes.io/blog/2016/08/security-best-practices-kubernetes-deployment/ #ceph common commands: https://tracker.ceph.com/projects/ceph/wiki/10_Commands_Every_Ceph_Administrator_Should_Know #ceph remove dead osd: https://www.sebastien-han.fr/blog/2015/12/11/ceph-properly-remove-an-osd/ http://www.abeji.de/weave-vs-calico/ #patch crd to delete stuck termination kubectl -n rook-ceph patch clusters.ceph.rook.io rook-ceph -p '{"metadata":{"finalizers": []}}' --type=merge kubectl edit crd clusters.ceph.rook.io #access dashboard via kubectl proxy: kubectl proxy http://127.0.0.1:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/ *node* systemctl stop etcd.service rm -fr /var/lib/etcd/member vim /opt/etcd/config/etcd.conf ETCD_INITIAL_CLUSTER_STATE=existing *master* /opt/etcd/bin/etcdctl member remove c02630faf3a2dd3d /opt/etcd/bin/etcdctl member list /opt/etcd/bin/etcdctl member add master03 http://192.168.8.13:2380 *node* systemctl stop etcd.service