[정보] kubernetes 트러블 슈팅

재부팅 시 kubernetes 안올라올 때

swapoff -a # 제일 중요
systemctl enable kubelet && systemctl start kubelet

 

Unable to connect to the server: tls: failed to verify certificate: x509

export KUBECONFIG=/etc/kubernetes/admin.conf

reset kubernetes

sudo kubeadm reset --force
sudo systemctl restart kubelet
rm -rf  $HOME/.kube/*
rm /etc/cni/net.d
sudo reboot

[ERROR FileContent--proc-sys-net-bridge-bridge-nf-call-iptables]

sudo modprobe br_netfilter

[ERROR FileContent--proc-sys-net-ipv4-ip_forward]

/sbin/sysctl -w net.ipv4.ip_forward=1

[swap off]

swapoff -a

couldn't get current server API group list

 

mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/kubelet.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

kubectl _get_comp_words_by_ref: command not found

source <(kubectl completion bash)
source /etc/bash_completion