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k8s安装

2025-11-04 15:30:11   106  举报

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k8s安装

kubernetes

k8s

作者其他创作

大纲/内容

常用命令

查看内核版本信息

cat /proc/version

uname -a

apt源

/etc/apt/sources.list

更新软件列表

apt-get update

更新软件

apt-get upgrade

docker镜像加速

{         "registry-mirrors": [                 "http://mirror.ccs.tencentyun.com",                 "http://f0fchtxz.mirror.aliyuncs.com",                 "http://docker.mirrors.ustc.edu.cn"         ] }

/etc/docker/daemon.json

k8s源

apt-get install -y apt-transport-https

curl https://mirrors.aliyun.com/kubernetes/apt/doc/apt-key.gpg | apt-key add -

deb https://mirrors.aliyun.com/kubernetes/apt/ kubernetes-xenial main

apt update

Ubuntu安装k8s单节点

apt remove  -y kubelet kubeadm kubectl apt install -y kubelet=1.21.0-00 kubeadm=1.21.0-00 kubectl=1.21.0-00 kubeadm init --image-repository=ccr.ccs.tencentyun.com/comeonjy --pod-network-cidr=10.244.0.0/16 --kubernetes-version=v1.21.0    docker pull registry.aliyuncs.com/google_containers/coredns:1.8.0 docker tag registry.aliyuncs.com/google_containers/coredns:1.8.0 ccr.ccs.tencentyun.com/comeonjy/coredns/coredns:v1.8.0 docker push ccr.ccs.tencentyun.com/comeonjy/coredns:v1.8.0 # docker pull ccr.ccs.tencentyun.com/comeonjy/coredns:v1.8.0 # docker tag ccr.ccs.tencentyun.com/comeonjy/coredns:v1.8.0 ccr.ccs.tencentyun.com/comeonjy/coredns/coredns:v1.8.0 docker pull registry.aliyuncs.com/google_containers/kube-apiserver:v1.21.5 docker tag registry.aliyuncs.com/google_containers/kube-apiserver:v1.21.5 ccr.ccs.tencentyun.com/comeonjy/kube-apiserver:v1.21.5 docker push ccr.ccs.tencentyun.com/comeonjy/kube-apiserver:v1.21.5 docker pull registry.aliyuncs.com/google_containers/kube-controller-manager-amd64:v1.21.5 docker tag registry.aliyuncs.com/google_containers/kube-controller-manager-amd64:v1.21.5 ccr.ccs.tencentyun.com/comeonjy/kube-controller-manager:v1.21.5 docker push ccr.ccs.tencentyun.com/comeonjy/kube-controller-manager:v1.21.5 docker pull registry.aliyuncs.com/google_containers/kube-scheduler:v1.21.5 docker tag registry.aliyuncs.com/google_containers/kube-scheduler:v1.21.5 ccr.ccs.tencentyun.com/comeonjy/kube-scheduler:v1.21.5 docker push ccr.ccs.tencentyun.com/comeonjy/kube-scheduler:v1.21.5 docker pull registry.aliyuncs.com/google_containers/kube-proxy:v1.21.5 docker tag registry.aliyuncs.com/google_containers/kube-proxy:v1.21.5 ccr.ccs.tencentyun.com/comeonjy/kube-proxy:v1.21.5 docker push ccr.ccs.tencentyun.com/comeonjy/kube-proxy:v1.21.5 docker pull registry.aliyuncs.com/google_containers/pause:3.4.1 docker tag registry.aliyuncs.com/google_containers/pause:3.4.1 ccr.ccs.tencentyun.com/comeonjy/pause:3.4.1 docker push ccr.ccs.tencentyun.com/comeonjy/pause:3.4.1 docker pull registry.aliyuncs.com/google_containers/etcd:3.4.13-0 docker tag registry.aliyuncs.com/google_containers/etcd:3.4.13-0 ccr.ccs.tencentyun.com/comeonjy/etcd:3.4.13-0 docker push ccr.ccs.tencentyun.com/comeonjy/etcd:3.4.13-0

# 安装flannel https://github.com/flannel-io/flannel/edit/master/Documentation/kube-flannel.yml # 让master能被调度pod  kubectl taint nodes --all node-role.kubernetes.io/master- # 安装dashboard kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.2.0/aio/deploy/recommended.yaml

https://github.com/kubernetes/dashboard/blob/master/docs/user/access-control/creating-sample-user.md

Centos安装k8s集群

kubeadm

yum update -y yum install -y vim yum-utils device-mapper-persistent-data lvm2 curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun tee /etc/docker/daemon.json <<-'EOF' {   "registry-mirrors": ["https://f0fchtxz.mirror.aliyuncs.com","https://mirror.ccs.tencentyun.com "],   "exec-opts":["native.cgroupdriver=systemd"] } EOF systemctl daemon-reload systemctl restart docker systemctl start docker &&  systemctl enable docker setenforce 0 sed -i 's/SELINUX=enforcing/\SELINUX=permissive/' /etc/selinux/config swapoff -a sed -i '/ swap / s/^$.*$$/#\1/g' /etc/fstab sed -i -e '$a net.bridge.bridge-nf-call-iptables = 1' /etc/sysctl.conf echo 1 > /proc/sys/net/bridge/bridge-nf-call-iptables tee /etc/yum.repos.d/kubernetes.repo <<-'EOF' [kubernetes] name=Kubernetes Repository baseurl=http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/ enabled=1 gpgcheck=0 EOF yum install -y kubelet-1.21.0-0 kubeadm-1.21.0-0 kubectl-1.21.0-0 systemctl enable kubelet && systemctl start kubelet docker pull ccr.ccs.tencentyun.com/comeonjy/coredns:v1.8.0 docker tag ccr.ccs.tencentyun.com/comeonjy/coredns:v1.8.0 ccr.ccs.tencentyun.com/comeonjy/coredns/coredns:v1.8.0 docker rmi ccr.ccs.tencentyun.com/comeonjy/coredns docker pull ccr.ccs.tencentyun.com/comeonjy/kube-apiserver:v1.21.5 docker pull ccr.ccs.tencentyun.com/comeonjy/kube-controller-manager:v1.21.5 docker pull ccr.ccs.tencentyun.com/comeonjy/kube-scheduler:v1.21.5 docker pull ccr.ccs.tencentyun.com/comeonjy/kube-proxy:v1.21.5 docker pull ccr.ccs.tencentyun.com/comeonjy/pause:3.4.1 docker pull ccr.ccs.tencentyun.com/comeonjy/etcd:3.4.13-0

# master kubeadm init --image-repository=ccr.ccs.tencentyun.com/comeonjy --apiserver-advertise-address=192.168.33.10   --kubernetes-version v1.21.0   --service-cidr=10.1.0.0/16  --pod-network-cidr=10.244.0.0/16 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://github.com/flannel-io/flannel/edit/master/Documentation/kube-flannel.yml #node kubeadm join 192.168.33.10:6443 --token lku3ru.92hxr6rgkild9y6q   --discovery-token-ca-cert-hash sha256:167d44a0139de4a0e79aaa98b860c7a423aa0262e375c65d92ee27594a768d84

## 修改为各自IP tee /etc/sysconfig/kubelet <<-'EOF' KUBELET_EXTRA_ARGS="--node-ip=192.168.33.10" EOF systemctl restart kubelet

Centos安装NFS

# 服务端 yum install nfs-utils systemctl enable rpcbind systemctl enable nfs systemctl start rpcbind systemctl start nfs mkdir /k8s chmod 755 /k8s echo '/k8s/     *(rw,sync,no_root_squash,no_all_squash)' >> /etc/exports systemctl restart nfs # 客户端 yum install nfs-utils systemctl enable rpcbind systemctl start rpcbind mkdir /k8s mount -t nfs 192.168.33.10:/k8s /k8s