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[24] Kubernetes Troubleshooting (2)

❓Not Ready 상태의 노드 활성화

  • A Kubernetes worker node, named hk8s-w2 is in state NotReady.
  • Investigate why this is the case, and perform any appropriate steps to bring the node to a Ready state, ensuring that any changes are made permanent.

실습

[user@console ~]$ kubectl config use-context hk8s

[user@console ~]$ kubectl get nodes
hk8s-w2가 Not Ready상태임

[user@console ~]$ ssh hk8s-w2

[user@hk8s-w2 ~]$ sudo -i

# docker가 running중인지 확인
[root@hk8s-w2 ~]# systemctl status docker
inactive상태뿐만 아니라 disable 상태

[root@hk8s-w2 ~]# systemctl enable --now docker

[root@hk8s-w2 ~]# systemctl status docker
active상태, enable 상태
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