2025Kubernetes 系统配置手册

Kuberneteconfiguration简 安装要 部署内 准备环 所有节点安装 添加k8s阿里云YUM软件 部署k8s的master和node节 安装网络插件 测试kubernetes集 k8s常用命 Kubernetes特点:（multi-cloud）可扩展:模块化,插件化,可挂载,可组合3CentOS7.764swapkubernetes1.16.2，docker19.03KubernetesMaster部署KubernetesNode，Kubernetescentos（7.7ip:76：test-docker-176：centos7.7：88Gip:77：test-docker-177：centos7.7：88Gip:78主机名：test-docker-178系统：centos7.7配置：8selinuxsystemctlstopfirewalldsystemctldisablefirewalldsed-i's/enforcing/disabled/'/etc/selinux/configsetenforce0swapswapoff- vim/etc/fstab#注释到swap那一行 添加主机名与IP对应关系(三台主机都执行)k8s-master-k8s-node-k8s-node-'''>>hostnamectlset-hostnamek8s-master-176hostnamectlset-hostnamek8s-node-177hostnamectlset-hostnamek8s-node-net.ipv4.ip_forward=0，1cat>/etc/sysctl.d/k8s.conf<<EOFnet.ipv4.ip_forward=1net.ipv4.tcp_tw_recycle=net.bridge.bridge-nf-call-ip6tables=net.bridge.bridge-nf-call-iptables=1sysctl--Dockerdockerdocker（docker18.09，yuminstallydocker-ce-18.09docker-ce-cli-18.09k8s）vim"graph":"registry-mirrors":["https://01"],"exec-opts":["native.cgroupdriver=systemd"],"log-driver":"json-file","log-opts":{"max-size":"storage-driver":systemctlrestartk8sYUMcat>/etc/yum.repos.d/kubernetes.repo<<EOF[kubernetes]yuminstall-ykubelet-1.16.2kubeadm-1.16.2kubectl-1.16.2systemctlstartkubeletsystemctlenablek8smasternodemaster --apiserver-advertise---image- --kubernetes-

--service---pod-network-网段问题，两个网段不要重，后面是/16，nodemkdir-pcp-i/etc/kubernetes/admin.conf$HOME/.kube/configchown$(id-u):$(id-g)$HOME/.kube/confignode77178node -- masterflannelcalicoyamlwget/xuwei777/xw_yaml/blob/main/kube-flannel.ymlsedi's///'kube-flannel.ymlkubectlapply-fkube-flannel.ymlkubectlgetpods-nkube-systemyamlwget/xuwei777/xw_yaml/blob/main/calico-3.9.2.yamlsedi's///g'calico-3.9.2.yamlkubectlapply-fkubectlgetpod--all-namespaces-oKubernetespod，kubectlcreatedeploymentnginx--image=nginxkubectlexposedeploymentnginx--port=80--podrunningready1，nginxsvc80kubectlgetnginxk8spod，service，endpoints，secretkubectlget

kubectlget

-o namespacennamespacekubectlapply-f #例如kubectlapply-f 这createyamlyamlkubectldelete-f kubectldelete-fdeploymentpodpodkubectldescribepodpodpod

kubectlgetpod

podpodkubectllogspod