在CentOS上安装K8s可参考以下步骤:
确保系统为CentOS 7.x或8.x,内核版本至少3.10,有足够内存、存储和CPU资源,且能访问互联网。
sudo yum update -y。sudo systemctl stop firewalld,sudo systemctl disable firewalld,sudo setenforce 0,sudo sed -i 's/^SELINUX=.*/SELINUX=disabled/' /etc/selinux/config。sudo swapoff -a,sudo sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab。/etc/yum.repos.d/kubernetes.repo文件,添加相应内容,如[kubernetes],baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64/等。sudo yum install -y kubelet kubeadm kubectl,并设置开机自启。sudo kubeadm init --pod-network-cidr=10.244.0.0/16,记录输出中的kubeadm join命令。mkdir -p $HOME/.kube,sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config,sudo chown $(id -u):$(id -g) $HOME/.kube/config。kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml。kubeadm join命令。kubectl get nodes,查看节点状态是否为“Ready”。