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网站怎么做下载内容,域名怎么拿来做网站,wordpress是h5页面,石家庄做网站建设的公司文章目录 安装前准备安装前准备配置yum源等安装前准备docker安装 安装kubeadm配置kubeadm验证集群 参考链接 安装前准备 cat /etc/hosts EOF 192.168.100.30 k8s-01 192.168.100.31 k8s-02 EOF hostnamectl set-hostname k8s-01 #所有机器按照要求修改 ho… 文章目录 安装前准备安装前准备配置yum源等安装前准备docker安装 安装kubeadm配置kubeadm验证集群 参考链接 安装前准备 cat /etc/hosts EOF 192.168.100.30 k8s-01 192.168.100.31 k8s-02 EOF hostnamectl set-hostname k8s-01 #所有机器按照要求修改 hostnamectl set-hostname k8s-02 bash # 只要在k8s-01 设置免密主机密码 123456Asda,各位自己改成自己的 wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo yum install -y expectsed -i sPermitRootLogin noPermitRootLogin yesg /etc/ssh/sshd_config sed -i sPasswordAuthentication noPasswordAuthentication yesg /etc/ssh/sshd_config systemctl restart sshd #分发公钥 ssh-keygen -t rsa -P -f /root/.ssh/id_rsa for i in k8s-01 k8s-02 ;do expect -c spawn ssh-copy-id -i /root/.ssh/id_rsa.pub root$iexpect {\*yes/no*\ {send \yes\r\; exp_continue}\*password*\ {send \123456Asda\r\; exp_continue}\*Password*\ {send \123456Asda\r\;}} done systemctl stop firewalld systemctl disable firewalld iptables -F iptables -X iptables -F -t nat iptables -X -t nat iptables -P FORWARD ACCEPT swapoff -a sed -i / swap / s/^\(.*\)$/#\1/g /etc/fstab setenforce 0 sed -i s/^SELINUX.*/SELINUXdisabled/ /etc/selinux/config #目前官方推荐内核版本大于3.10,此部分选装 rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm#默认安装为最新内核 yum --enablerepoelrepo-kernel install kernel-ml#修改内核顺序 grub2-set-default 0 grub2-mkconfig -o /etc/grub2.cfg#使用下面命令看看确认下是否启动默认内核指向上面安装的内核 grubby --default-kernel #这里的输出结果应该为我们升级后的内核信息reboot #可以等所有初始化步骤结束进行reboot操作 安装前准备配置yum源等 curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo yum clean all yum makecache yum -y install gcc gcc-c make autoconf libtool-ltdl-devel gd-devel freetype-devel libxml2-devel libjpeg-devel libpng-devel openssh-clients openssl-devel curl-devel bison patch libmcrypt-devel libmhash-devel ncurses-devel binutils compat-libstdc-33 elfutils-libelf elfutils-libelf-devel glibc glibc-common glibc-devel libgcj libtiff pam-devel libicu libicu-devel gettext-devel libaio-devel libaio libgcc libstdc libstdc-devel unixODBC unixODBC-devel numactl-devel glibc-headers sudo bzip2 mlocate flex lrzsz sysstat lsof setuptool system-config-network-tui system-config-firewall-tui ntsysv ntp pv lz4 dos2unix unix2dos rsync dstat iotop innotop mytop telnet iftop expect cmake nc gnuplot screen xorg-x11-utils xorg-x11-xinit rdate bc expat-devel compat-expat1 tcpdump sysstat man nmap curl lrzsz elinks finger bind-utils traceroute mtr ntpdate zip unzip vim wget net-tools modprobe br_netfilter modprobe ip_conntrack cat kubernetes.conf EOF net.bridge.bridge-nf-call-iptables1 net.bridge.bridge-nf-call-ip6tables1 net.ipv4.ip_forward1 vm.swappiness0 # 禁止使用 swap 空间只有当系统 OOM 时才允许使用它 vm.overcommit_memory1 # 不检查物理内存是否够用 vm.panic_on_oom0 # 开启 OOM fs.inotify.max_user_instances8192 fs.inotify.max_user_watches1048576 fs.file-max52706963 fs.nr_open52706963 net.ipv6.conf.all.disable_ipv61 net.netfilter.nf_conntrack_max2310720 EOF cp kubernetes.conf /etc/sysctl.d/kubernetes.conf sysctl -p /etc/sysctl.d/kubernetes.conf#分发到所有节点 for i in k8s-02 doscp kubernetes.conf root$i:/etc/sysctl.d/ssh root$i sysctl -p /etc/sysctl.d/kubernetes.conf donecat /etc/sysconfig/modules/ipvs.modules EOF #!/bin/bash modprobe -- ip_vs modprobe -- ip_vs_rr modprobe -- ip_vs_wrr modprobe -- ip_vs_sh modprobe -- nf_conntrack EOFchmod 755 /etc/sysconfig/modules/ipvs.modules bash /etc/sysconfig/modules/ipvs.modules lsmod | grep -e ip_vs -e nf_conntrack#查看是否已经正确加载所需的内核模块yum install ipset -y yum install ipvsadm -y timedatectl set-timezone Asia/Shanghai timedatectl set-local-rtc 0 systemctl restart rsyslog systemctl restart crond安装前准备docker安装 export VERSION19.03 curl -fsSL https://get.docker.com/ | bash -s -- --mirror Aliyun所有机器配置加速源并配置docker的启动参数使用systemd,使用systemd是官方的建议,详见 https://kubernetes.io/docs/setup/cri/mkdir -p /etc/docker/ cat/etc/docker/daemon.jsonEOF {exec-opts: [native.cgroupdriversystemd],registry-mirrors: [https://fz5yth0r.mirror.aliyuncs.com,https://dockerhub.mirrors.nwafu.edu.cn/,https://mirror.ccs.tencentyun.com,https://docker.mirrors.ustc.edu.cn/,https://reg-mirror.qiniu.com,http://hub-mirror.c.163.com/,https://registry.docker-cn.com],storage-driver: overlay2,storage-opts: [overlay2.override_kernel_checktrue],log-driver: json-file,log-opts: {max-size: 100m,max-file: 3} } EOF systemctl enable --now docker安装kubeadm cat EOF /etc/yum.repos.d/kubernetes.repo [kubernetes] nameKubernetes baseurlhttps://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64 enabled1 gpgcheck0 EOF# master 节点安装 yum install -y \kubeadm-1.18.3 \kubectl-1.18.3 \kubelet-1.18.3 \--disableexcludeskubernetes \systemctl enable kubeletkubeadm 安装集群 kubectl 通过命令行访问apiserver kubelet 负责Pod对应容器的创建、停止等任务 node节点不需要安装kubectlkubectl是一个agent读取kubeconfig访问api-server来操作集群node节点一般不需要# node节点安装 yum install -y \kubeadm-1.18.3 \kubelet-1.18.3 \--disableexcludeskubernetes \systemctl enable kubelet#node节点安装默认是在所有节点安装但是k8s中的master节点已经安装过了我们就只在k8s-02中安装如果是多master 可以使用keepalived 对api-server 进行高可用一般云环境会采用云负载均衡来操作单master 则跳过这些因为是单点 配置kubeadm kubeadm config print init-defaults kubeadm-init.yaml修改 kubeadm-init.yaml 请对应我的IP进行配置这里主要是master的IP.可以复制我的但是主机名等要和我相同apiVersion: kubeadm.k8s.io/v1beta2 bootstrapTokens: - groups:- system:bootstrappers:kubeadm:default-node-tokentoken: abcdef.0123456789abcdefttl: 24h0m0susages:- signing- authentication kind: InitConfiguration localAPIEndpoint:advertiseAddress: 192.168.100.30bindPort: 6443 nodeRegistration:criSocket: /var/run/dockershim.sockname: k8s-01taints:- effect: NoSchedulekey: node-role.kubernetes.io/master --- apiServer:timeoutForControlPlane: 4m0s apiVersion: kubeadm.k8s.io/v1beta2 certificatesDir: /etc/kubernetes/pki clusterName: kubernetes controllerManager: {} dns:type: CoreDNS etcd:local:dataDir: /var/lib/etcd imageRepository: registry.aliyuncs.com/google_containers kind: ClusterConfiguration kubernetesVersion: v1.18.0 networking:dnsDomain: cluster.localserviceSubnet: 10.96.0.0/12podSubnet: 10.244.0.0/16 scheduler: {} --- apiVersion: kubeproxy.config.k8s.io/v1alpha1 kind: KubeProxyConfiguration featureGates:SupportIPVSProxyMode: true mode: ipvs//生成默认初始化配置文件 kubeadm config print init-defaults kubeadm.yaml //修改生成的配置文件 advertiseAddress: 192.168.100.30.2 //主节点IP地址 kubernetesVersion: v1.18.2 //安装的版本 imageRepository: registry.aliyuncs.com/google_containers //修改安装源为阿里云镜像 networking:podSubnet: 10.244.0.0/16 //增加一行设置pod分配的网段信息 //在最后添加下列信息将默认的调度方式改为IPVS --- apiVersion: kubeproxy.config.k8s.io/v1alpha1 kind: KubeProxyConfiguration featureGates:SupportIPVSProxyMode: true mode: ipvs单节点的安装成这样 kubeadm init --config kubeadm-init.yaml --dry-runkubeadm config images list --config kubeadm-init.yaml kubeadm config images pull --config kubeadm-init.yaml kubeadm init --config kubeadm-init.yaml--upload-certsYour Kubernetes control-plane has initialized successfully!To start using your cluster, you need to run the following as a regular user:mkdir -p $HOME/.kubesudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/configsudo chown $(id -u):$(id -g) $HOME/.kube/configYou should now deploy a pod network to the cluster. Run kubectl apply -f [podnetwork].yaml with one of the options listed at:https://kubernetes.io/docs/concepts/cluster-administration/addons/Then you can join any number of worker nodes by running the following on each as root:kubeadm join 192.168.100.30:6443 --token abcdef.0123456789abcdef \--discovery-token-ca-cert-hash sha256:7af6d307bf991b433a85d9cf188ac652c6233fb7348409a808a6fe1c1bcbfd01 主节点需要执行 mkdir -p $HOME/.kube cp -i /etc/kubernetes/admin.conf $HOME/.kube/config chown $(id -u):$(id -g) $HOME/.kube/confignode节点新加入kubeadm join 192.168.100.30:6443 --token abcdef.0123456789abcdef \--discovery-token-ca-cert-hash sha256:7af6d307bf991b433a85d9cf188ac652c6233fb7348409a808a6fe1c1bcbfd01 wget https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml //kube-flannel中Pod网段必须和kubernetes中配置的Pod网段一致 //kube-flannel默认Pod的网段为10.244.0.0/16 kubectl create -f kube-flannel.yml验证集群 kubectl -n kube-system get pod -o widecatEOF | kubectl apply -f - apiVersion: apps/v1 kind: Deployment metadata:name: nginx spec:selector:matchLabels:app: nginxtemplate:metadata:labels:app: nginxspec:containers:- image: nginx:alpinename: nginxports:- containerPort: 80 --- apiVersion: v1 kind: Service metadata:name: nginx spec:selector:app: nginxtype: NodePortports:- protocol: TCPport: 80targetPort: 80nodePort: 30001 --- apiVersion: v1 kind: Pod metadata:name: busyboxnamespace: default spec:containers:- name: busyboximage: abcdocker9/centos:v1command:- sleep- 3600imagePullPolicy: IfNotPresentrestartPolicy: Always EOF[rootk8s-01 ~]# kubectl get pod,svc NAME READY STATUS RESTARTS AGE pod/busybox 1/1 Running 0 40s pod/nginx-97499b967-jzxwg 1/1 Running 0 40sNAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE service/kubernetes ClusterIP 10.96.0.1 none 443/TCP 16m service/nginx NodePort 10.104.210.165 none 80:30001/TCP 40s使用nslookup查看是否能返回地址 [rootk8s-01 ~]# kubectl exec -ti busybox -- nslookup kubernetes Server: 10.96.0.10 Address: 10.96.0.10#53Name: kubernetes.default.svc.cluster.local Address: 10.96.0.1测试nginx svc以及Pod内部网络通信是否正常 for i in k8s-01 k8s-02 dossh root$i curl -s 10.104.210.165 #nginx svc ipssh root$i curl -s 10.244.1.2 #pod ip done或者用外网打开试一试 [rootk8s-01 ~]# curl 192.168.100.31:30001 !DOCTYPE html html head titleWelcome to nginx!/title style html { color-scheme: light dark; } body { width: 35em; margin: 0 auto; font-family: Tahoma, Verdana, Arial, sans-serif; } /style /head body h1Welcome to nginx!/h1 pIf you see this page, the nginx web server is successfully installed and working. Further configuration is required./ppFor online documentation and support please refer to a hrefhttp://nginx.org/nginx.org/a.br/ Commercial support is available at a hrefhttp://nginx.com/nginx.com/a./ppemThank you for using nginx./em/p /body /html 参考链接 二进制安装 https://blog.csdn.net/startfefesfe/article/details/132408330?spm1001.2014.3001.5501 其他方式安装https://blog.csdn.net/startfefesfe/article/details/132339032?spm1001.2014.3001.5501 https://i4t.com/4732.html https://www.cnblogs.com/xhyan/p/13591309.html
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