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1.12.1 高可用安装之部署kubelet","部署kubelet","1.二进制包准备 将软件包从master01复制到各node节点中去。[root@master01 ~]# scp kubernetes/server/bin/{kubelet,kube-proxy} node01:/opt/kubernetes/bin/[root@master01 ~]# scp kubernetes/server/bin/{kubelet,kube-proxy} node02:/opt/kubernetes/bin/[root@master01 ~]# scp kubern","\u003Cp>\u003Cb>二进制包准备 \u003C/b>\u003C/p>\u003Cp>1.将软件包从master01复制到各node节点中去。\u003C/p>\u003Cpre>\u003Cp>\u003Ccode>[root@master01 ~]# scp kubernetes/server/bin/{kubelet,kube-proxy} node01:/opt/kubernetes/bin/\u003C/code>\u003C/p>\u003Cp>\u003Cfont face=\"monospace\">[root@master01 ~]# scp kubernetes/server/bin/{kubelet,kube-proxy} node02:/opt/kubernetes/bin/\u003C/font>\u003C/p>\u003Cp>\u003Cfont face=\"monospace\">[root@master01 ~]# scp kubernetes/server/bin/{kubelet,kube-proxy} node03:/opt/kubernetes/bin/\u003C/font>\u003C/p>\u003C/pre>\u003Cp>2.创建角色绑定\u003C/p>\u003Cpre>\u003Ccode>[root@master01 ~]# kubectl create clusterrolebinding kubelet-bootstrap --clusterrole=system:node-bootstrapper --user=kubelet-bootstrap\nclusterrolebinding \"kubelet-bootstrap\" created\n\u003C/code>\u003C/pre>\u003Cp>3.创建 kubelet bootstrapping kubeconfig 文件 设置集群参数\u003C/p>\u003Cpre>\u003Ccode>[root@master01 ~]# kubectl config set-cluster kubernetes \\\n   --certificate-authority=/opt/kubernetes/ssl/ca.pem \\\n   --embed-certs=true \\\n   --server=https://10.80.4.200:6443 \\\n   --kubeconfig=bootstrap.kubeconfig\nCluster \"kubernetes\" set.\n\u003C/code>\u003C/pre>\u003Cp>设置客户端认证参数\u003C/p>\u003Cpre>\u003Cfont face=\"monospace\">[root@master01 ~]# kubectl config set-credentials kubelet-bootstrap \\\n   --token=cdacf2b5563c36ebbb15edd7d46fc857 \\\n\u003C/font>\u003Cp>\u003Cfont face=\"monospace\">   --kubeconfig=bootstrap.kubeconfig\u003C/font>\\\u003C/p>\u003Ccode>User \"kubelet-bootstrap\" set.\n\u003C/code>\u003C/pre>\u003Cp>设置上下文参数\u003C/p>\u003Cpre>\u003Ccode>[root@master01 ~]# kubectl config set-context default \\\n   --cluster=kubernetes \\\n   --user=kubelet-bootstrap \\\n   --kubeconfig=bootstrap.kubeconfig\nContext \"default\" created.\n\u003C/code>\u003C/pre>\u003Cp>选择默认上下文\u003C/p>\u003Cpre>\u003Ccode>[root@master01 ~]# kubectl config use-context default --kubeconfig=bootstrap.kubeconfig\nSwitched to context \"default\".\n\u003C/code>\u003Cp>\u003Ccode>[root@master01 ~]# scp bootstrap.kubeconfig node01:/opt/kubernetes/\u003C/code>\u003Cspan>cfg/\u003C/span>\u003C/p>\u003Cp>\u003Ccode>[root@master01 ~]# scp bootstrap.kubeconfig node02:/opt/kubernetes/\u003C/code>\u003Cspan>cfg/\u003C/span>\u003C/p>\u003Cp>\u003Ccode>[root@master01 ~]# scp bootstrap.kubeconfig node03:/opt/kubernetes/cfg/\n\u003C/code>\u003C/p>\u003C/pre>\u003Cp>\u003Cb>部署kubelet\u003C/b> \u003C/p>\u003Cp>1.设置CNI支持\u003C/p>\u003Cpre>\u003Ccode>[root@node01 ~]# mkdir -p /etc/cni/net.d\n[root@node01 ~]# vim /etc/cni/net.d/10-default.conf\n{\n        \"name\": \"flannel\",\n        \"type\": \"flannel\",\n        \"delegate\": {\n            \"bridge\": \"docker0\",\n            \"isDefaultGateway\": true,\n            \"mtu\": 1400\n        }\n}\n\n\u003C/code>\u003Cp>\u003Ccode>[root@node01 ~]# scp /etc/cni/net.d/10-default.conf node02:/etc/cni/net.d/\n\u003C/code>\u003C/p>\u003Cp>\u003Ccode>[root@node01 ~]# scp /etc/cni/net.d/10-default.conf node03:/etc/cni/net.d/\u003C/code>\u003C/p>\u003C/pre>\u003Cp>2.创建kubelet目录\u003C/p>\u003Cpre>\u003Ccode>[root@node01 ~]# mkdir /var/lib/kubelet\n\u003C/code>\u003C/pre>\u003Cp>3.创建kubelet服务配置\u003C/p>\u003Cpre>\u003Ccode>[root@node01 ~]# vim /usr/lib/systemd/system/kubelet.service\n[Unit]\nDescription=Kubernetes Kubelet\nDocumentation=https://github.com/GoogleCloudPlatform/kubernetes\nAfter=docker.service\nRequires=docker.service\n\n[Service]\nWorkingDirectory=/var/lib/kubelet\nExecStart=/opt/kubernetes/bin/kubelet \\\n  --address=10.80.4.203 \\\n  --hostname-override=10.80.4.203 \\\n  --pod-infra-container-image=mirrorgooglecontainers/pause-amd64:3.0 \\\n  --experimental-bootstrap-kubeconfig=/opt/kubernetes/cfg/bootstrap.kubeconfig \\\n  --kubeconfig=/opt/kubernetes/cfg/kubelet.kubeconfig \\\n  --cert-dir=/opt/kubernetes/ssl \\\n  --network-plugin=cni \\\n  --cni-conf-dir=/etc/cni/net.d \\\n  --cni-bin-dir=/opt/kubernetes/bin/cni \\\n  --cluster-dns=10.1.0.2 \\\n  --cluster-domain=cluster.local. \\\n  --hairpin-mode hairpin-veth \\\n  --allow-privileged=true \\\n  --fail-swap-on=false \\\n  --logtostderr=true \\\n  --v=2 \\\n  --logtostderr=false \\\n  --log-dir=/opt/kubernetes/log\nRestart=on-failure\n\u003C/code>\u003Cp>\u003Ccode>RestartSec=5\u003C/code>\u003C/p>\u003Cp>\u003Ccode>[root@node01 ~]# scp /usr/lib/systemd/system/kubelet.service node02:/usr/lib/systemd/system #注意修改节点信息\u003C/code>\u003C/p>\u003Cp>\u003Ccode>[root@node01 ~]# scp /usr/lib/systemd/system/kubelet.service node03:/usr/lib/systemd/system \u003C/code>#注意修改节点信息\u003C/p>\u003C/pre>\u003Cp>4.启动Kubelet\u003C/p>\u003Cpre>\u003Ccode>[root@node01 ~]# systemctl daemon-reload\n[root@node01 ~]# systemctl enable kubelet\n[root@node01 ~]# systemctl start kubelet\n\u003C/code>\u003C/pre>\u003Cp>5.查看服务状态\u003C/p>\u003Cpre>\u003Ccode>[root@node01]# systemctl status kubelet\n\u003C/code>\u003C/pre>\u003Cp>6.查看csr请求 注意是在linux-node1上执行。\u003C/p>\u003Cpre>\u003Cp>\u003Cfont face=\"monospace\">[root@master01 ~]# kubectl get csr\nNAME                                                   AGE     REQUESTOR           CONDITION\nnode-csr-4_Q4dHo68CyM4H-gwS3t-o5JXzf-BW-sBw_7vpEIdss   2m41s   kubelet-bootstrap   Pending\nnode-csr-P_F1Lz8tX_C99vyC3mjp5voaINwO1PnZlo_aynrGHhw   3m6s    kubelet-bootstrap   Pending\nnode-csr-flAmT1K0Pe6KTw9U5guw0-zUhf5Djt0gLQfb72Grfjw   2m47s   kubelet-bootstrap   Pending\u003C/font>\u003C/p>\u003C/pre>\u003Cp>7.批准kubelet 的 TLS 证书请求\u003C/p>\u003Cpre>\u003Ccode>[root@master01 ~]# kubectl get csr|grep 'Pending' | awk 'NR>0{print $1}'| xargs kubectl certificate approve\n\u003C/code>\u003C/pre>\u003Cp>执行完毕后，查看节点状态已经是Ready的状态了\u003C/p>\u003Cp>[root@master01 ~]# kubectl get node \u003C/p>\u003Cp>NAME          STATUS   ROLES    AGE   VERSION\u003C/p>\u003Cp>10.80.4.203   Ready    <none>   26s   v1.12.1\u003C/p>\u003Cp>10.80.4.204   Ready    <none>   26s   v1.12.1\u003C/p>\u003Cp>10.80.4.205   Ready    <none>   26s   v1.12.1\u003C/p>\u003Cp>\u003Cb>部署Kubernetes Proxy\u003C/b>\u003C/p>\u003Cp>1.配置kube-proxy使用LVS\u003C/p>\u003Cp>\u003Ccode>[root@node01 ~]# yum install -y ipvsadm ipset conntrack\u003C/code>\u003C/p>\u003Cp>\u003Ccode>[root@node02 ~]# yum install -y ipvsadm ipset conntrack\u003C/code>\u003C/p>\u003Cp>\u003Ccode>[root@node03 ~]# yum install -y ipvsadm ipset conntrack\u003C/code>\u003C/p>\u003Cp>2.创建 kube-proxy 证书请求\u003C/p>\u003Cpre>\u003Ccode>[root@master01 ~]# cd ssl\n[root@master01 ~]# vim kube-proxy-csr.json\n{\n  \"CN\": \"system:kube-proxy\",\n  \"hosts\": [],\n  \"key\": {\n    \"algo\": \"rsa\",\n    \"size\": 2048\n  },\n  \"names\": [\n    {\n      \"C\": \"CN\",\n      \"ST\": \"ShenZheng\",\n      \"L\": \"ShenZheng\",\n      \"O\": \"k8s\",\n      \"OU\": \"System\"\n    }\n  ]\n}\n\u003C/code>\u003C/pre>\u003Cp>3.生成证书\u003C/p>\u003Cpre>\u003Ccode>[root@master01 ~]# cfssl gencert -ca=/opt/kubernetes/ssl/ca.pem \\\n   -ca-key=/opt/kubernetes/ssl/ca-key.pem \\\n   -config=/opt/kubernetes/ssl/ca-config.json \\\n   -profile=kubernetes  kube-proxy-csr.json | cfssljson -bare kube-proxy\n\u003C/code>\u003C/pre>\u003Cp>4.分发证书到所有Node节点\u003C/p>\u003Cpre>\u003Ccode>\n\u003C/code>\u003Cp>\u003C/p>\u003Cp>\u003Cfont face=\"monospace\">[root@master01 ssl]# cp kube-proxy*.pem /opt/kubernetes/ssl/\u003C/font>\u003C/p>\u003Cp>\u003Cfont face=\"monospace\">[root@master01 ssl]# scp kube-proxy*.pem node01:/opt/kubernetes/ssl/\u003C/font>\u003C/p>\u003Cp>\u003Cspan>[root@master01 ssl]# scp kube-proxy*.pem node02:/opt/kubernetes/ssl/\u003C/span>\u003C/p>\u003Cfont face=\"monospace\">[root@master01 ssl]# scp kube-proxy*.pem node03:/opt/kubernetes/ssl/\u003C/font>\u003Cp>\u003C/p>\u003C/pre>\u003Cp>5.创建kube-proxy配置文件\u003C/p>\u003Cpre>\u003Ccode>[root@master01 ~]# kubectl config set-cluster kubernetes \\\n   --certificate-authority=/opt/kubernetes/ssl/ca.pem \\\n   --embed-certs=true \\\n   --server=https://10.80.4.200:6443 \\\n   --kubeconfig=kube-proxy.kubeconfig\nCluster \"kubernetes\" set.\n\n[root@master01 ~]# kubectl config set-credentials kube-proxy \\\n   --client-certificate=/opt/kubernetes/ssl/kube-proxy.pem \\\n   --client-key=/opt/kubernetes/ssl/kube-proxy-key.pem \\\n   --embed-certs=true \\\n   --kubeconfig=kube-proxy.kubeconfig\nUser \"kube-proxy\" set.\n\n[root@master01 ~]# kubectl config set-context default \\\n   --cluster=kubernetes \\\n   --user=kube-proxy \\\n   --kubeconfig=kube-proxy.kubeconfig\nContext \"default\" created.\n\n[root@mastre01 ~]# kubectl config use-context default --kubeconfig=kube-proxy.kubeconfig\nSwitched to context \"default\".\n\u003C/code>\u003C/pre>\u003Cp>6.分发kubeconfig配置文件\u003C/p>\u003Cpre>\u003Ccode>[root@master01 ~]# scp kube-proxy.kubeconfig node01:/opt/kubernetes/cfg/\n[root@master01 ~]# scp kube-proxy.kubeconfig node02:/opt/kubernetes/cfg/\n[root@master01 ~]# scp kube-proxy.kubeconfig node03:/opt/kubernetes/cfg/\n\u003C/code>\u003C/pre>\u003Cp>7.创建kube-proxy服务配置\u003C/p>\u003Cpre>\u003Ccode>[root@node01 ~]# mkdir /var/lib/kube-proxy\n\n[root@node01 ~]# vim /usr/lib/systemd/system/kube-proxy.service\n[Unit]\nDescription=Kubernetes Kube-Proxy Server\nDocumentation=https://github.com/GoogleCloudPlatform/kubernetes\nAfter=network.target\n\n[Service]\nWorkingDirectory=/var/lib/kube-proxy\nExecStart=/opt/kubernetes/bin/kube-proxy \\\n  --bind-address=10.80.4.203 \\\n  --hostname-override=10.80.4.203 \\\n  --kubeconfig=/opt/kubernetes/cfg/kube-proxy.kubeconfig \\\n--masquerade-all \\\n  --feature-gates=SupportIPVSProxyMode=true \\\n  --proxy-mode=ipvs \\\n  --ipvs-min-sync-period=5s \\\n  --ipvs-sync-period=5s \\\n  --ipvs-scheduler=rr \\\n  --logtostderr=true \\\n  --v=2 \\\n  --logtostderr=false \\\n  --log-dir=/opt/kubernetes/log\n\nRestart=on-failure\nRestartSec=5\nLimitNOFILE=65536\n\n[Install]\n\u003C/code>\u003Cp>\u003Ccode>WantedBy=multi-user.target\u003C/code>\u003C/p>\u003Cp>\u003Ccode>[root@node01 ~]# scp /usr/lib/systemd/system/kube-proxy.service node02:/usr/lib/systemd/system/ #注意要修改节点信息\u003C/code>\u003C/p>\u003Cp>\u003Ccode>[root@node01 ~]# scp /usr/lib/systemd/system/kube-proxy.service node03:/usr/lib/systemd/system/ \u003C/code>#注意要修改节点信息\u003Cbr>\u003Ccode>8.启动Kubernetes Proxy\u003C/code>\u003C/p>\u003Ccode>[root@node01 ~]# systemctl daemon-reload\n[root@node01 ~]# systemctl enable kube-proxy\n[root@node01 ~]# systemctl start kube-proxy\n\u003C/code>\u003C/pre>\u003Cp>9.查看服务状态 查看kube-proxy服务状态\u003C/p>\u003Cpre>\u003Ccode>[root@node01 ~]# systemctl status kube-proxy\n\n检查LVS状态\n\u003C/code>\u003Cfont face=\"monospace\">[root@node01 ~]#  ipvsadm -L -n\nIP Virtual Server version 1.2.1 (size=4096)\nProt LocalAddress:Port Scheduler Flags\n  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn\nTCP  10.1.0.1:443 rr\n  -> 10.80.4.201:6443             Masq    1      0          0         \n\u003C/font>\u003Cp>\u003Ccode>  -> 10.80.4.202:6443             Masq    1      0          0        \u003C/code>\u003C/p>\u003C/pre>\u003Cp>如果你在三台实验机器都安装了kubelet和proxy服务，使用下面的命令可以检查状态：\u003C/p>\u003Cpre>\u003Cp>\u003Cfont face=\"monospace\">[root@master01 ~]# kubectl get node\nNAME          STATUS   ROLES    AGE   VERSION\n10.80.4.203   Ready    <none>   17m   v1.12.1\n10.80.4.204   Ready    <none>   17m   v1.12.1\n10.80.4.205   Ready    <none>   17m   v1.12.1\u003C/font>\u003C/p>\u003C/pre>","**二进制包准备 **\n\n1.将软件包从master01复制到各node节点中去。\n\n```\n[root@master01 ~]# scp kubernetes/server/bin/{kubelet,kube-proxy} node01:/opt/kubernetes/bin/[root@master01 ~]# scp kubernetes/server/bin/{kubelet,kube-proxy} node02:/opt/kubernetes/bin/[root@master01 ~]# scp kubernetes/server/bin/{kubelet,kube-proxy} node03:/opt/kubernetes/bin/\n```\n\n2.创建角色绑定\n\n```\n[root@master01 ~]# kubectl create clusterrolebinding kubelet-bootstrap --clusterrole=system:node-bootstrapper --user=kubelet-bootstrap\nclusterrolebinding \"kubelet-bootstrap\" created\n```\n\n3.创建 kubelet bootstrapping kubeconfig 文件 设置集群参数\n\n```\n[root@master01 ~]# kubectl config set-cluster kubernetes \\\n   --certificate-authority=/opt/kubernetes/ssl/ca.pem \\\n   --embed-certs=true \\\n   --server=https://10.80.4.200:6443 \\\n   --kubeconfig=bootstrap.kubeconfig\nCluster \"kubernetes\" set.\n```\n\n设置客户端认证参数\n\n```\n[root@master01 ~]# kubectl config set-credentials kubelet-bootstrap \\\n   --token=cdacf2b5563c36ebbb15edd7d46fc857 \\\n   --kubeconfig=bootstrap.kubeconfig\\User \"kubelet-bootstrap\" set.\n```\n\n设置上下文参数\n\n```\n[root@master01 ~]# kubectl config set-context default \\\n   --cluster=kubernetes \\\n   --user=kubelet-bootstrap \\\n   --kubeconfig=bootstrap.kubeconfig\nContext \"default\" created.\n```\n\n选择默认上下文\n\n```\n[root@master01 ~]# kubectl config use-context default --kubeconfig=bootstrap.kubeconfig\nSwitched to context \"default\".\n[root@master01 ~]# scp bootstrap.kubeconfig node01:/opt/kubernetes/cfg/[root@master01 ~]# scp bootstrap.kubeconfig node02:/opt/kubernetes/cfg/[root@master01 ~]# scp bootstrap.kubeconfig node03:/opt/kubernetes/cfg/\n```\n\n**部署kubelet** \n\n1.设置CNI支持\n\n```\n[root@node01 ~]# mkdir -p /etc/cni/net.d\n[root@node01 ~]# vim /etc/cni/net.d/10-default.conf\n{\n        \"name\": \"flannel\",\n        \"type\": \"flannel\",\n        \"delegate\": {\n            \"bridge\": \"docker0\",\n            \"isDefaultGateway\": true,\n            \"mtu\": 1400\n        }\n}\n\n[root@node01 ~]# scp /etc/cni/net.d/10-default.conf node02:/etc/cni/net.d/\n[root@node01 ~]# scp /etc/cni/net.d/10-default.conf node03:/etc/cni/net.d/\n```\n\n2.创建kubelet目录\n\n```\n[root@node01 ~]# mkdir /var/lib/kubelet\n```\n\n3.创建kubelet服务配置\n\n```\n[root@node01 ~]# vim /usr/lib/systemd/system/kubelet.service\n[Unit]\nDescription=Kubernetes Kubelet\nDocumentation=https://github.com/GoogleCloudPlatform/kubernetes\nAfter=docker.service\nRequires=docker.service\n\n[Service]\nWorkingDirectory=/var/lib/kubelet\nExecStart=/opt/kubernetes/bin/kubelet \\\n  --address=10.80.4.203 \\\n  --hostname-override=10.80.4.203 \\\n  --pod-infra-container-image=mirrorgooglecontainers/pause-amd64:3.0 \\\n  --experimental-bootstrap-kubeconfig=/opt/kubernetes/cfg/bootstrap.kubeconfig \\\n  --kubeconfig=/opt/kubernetes/cfg/kubelet.kubeconfig \\\n  --cert-dir=/opt/kubernetes/ssl \\\n  --network-plugin=cni \\\n  --cni-conf-dir=/etc/cni/net.d \\\n  --cni-bin-dir=/opt/kubernetes/bin/cni \\\n  --cluster-dns=10.1.0.2 \\\n  --cluster-domain=cluster.local. \\\n  --hairpin-mode hairpin-veth \\\n  --allow-privileged=true \\\n  --fail-swap-on=false \\\n  --logtostderr=true \\\n  --v=2 \\\n  --logtostderr=false \\\n  --log-dir=/opt/kubernetes/log\nRestart=on-failure\nRestartSec=5[root@node01 ~]# scp /usr/lib/systemd/system/kubelet.service node02:/usr/lib/systemd/system #注意修改节点信息[root@node01 ~]# scp /usr/lib/systemd/system/kubelet.service node03:/usr/lib/systemd/system #注意修改节点信息\n```\n\n4.启动Kubelet\n\n```\n[root@node01 ~]# systemctl daemon-reload\n[root@node01 ~]# systemctl enable kubelet\n[root@node01 ~]# systemctl start kubelet\n```\n\n5.查看服务状态\n\n```\n[root@node01]# systemctl status kubelet\n```\n\n6.查看csr请求 注意是在linux-node1上执行。\n\n```\n[root@master01 ~]# kubectl get csr\nNAME                                                   AGE     REQUESTOR           CONDITION\nnode-csr-4_Q4dHo68CyM4H-gwS3t-o5JXzf-BW-sBw_7vpEIdss   2m41s   kubelet-bootstrap   Pending\nnode-csr-P_F1Lz8tX_C99vyC3mjp5voaINwO1PnZlo_aynrGHhw   3m6s    kubelet-bootstrap   Pending\nnode-csr-flAmT1K0Pe6KTw9U5guw0-zUhf5Djt0gLQfb72Grfjw   2m47s   kubelet-bootstrap   Pending\n```\n\n7.批准kubelet 的 TLS 证书请求\n\n```\n[root@master01 ~]# kubectl get csr|grep 'Pending' | awk 'NR>0{print $1}'| xargs kubectl certificate approve\n```\n\n执行完毕后，查看节点状态已经是Ready的状态了\n\n[root@master01 ~]# kubectl get node \n\nNAME          STATUS   ROLES    AGE   VERSION\n\n10.80.4.203   Ready       26s   v1.12.1\n\n10.80.4.204   Ready       26s   v1.12.1\n\n10.80.4.205   Ready       26s   v1.12.1\n\n**部署Kubernetes Proxy**\n\n1.配置kube-proxy使用LVS\n\n`[root@node01 ~]# yum install -y ipvsadm ipset conntrack`\n\n`[root@node02 ~]# yum install -y ipvsadm ipset conntrack`\n\n`[root@node03 ~]# yum install -y ipvsadm ipset conntrack`\n\n2.创建 kube-proxy 证书请求\n\n```\n[root@master01 ~]# cd ssl\n[root@master01 ~]# vim kube-proxy-csr.json\n{\n  \"CN\": \"system:kube-proxy\",\n  \"hosts\": [],\n  \"key\": {\n    \"algo\": \"rsa\",\n    \"size\": 2048\n  },\n  \"names\": [\n    {\n      \"C\": \"CN\",\n      \"ST\": \"ShenZheng\",\n      \"L\": \"ShenZheng\",\n      \"O\": \"k8s\",\n      \"OU\": \"System\"\n    }\n  ]\n}\n```\n\n3.生成证书\n\n```\n[root@master01 ~]# cfssl gencert -ca=/opt/kubernetes/ssl/ca.pem \\\n   -ca-key=/opt/kubernetes/ssl/ca-key.pem \\\n   -config=/opt/kubernetes/ssl/ca-config.json \\\n   -profile=kubernetes  kube-proxy-csr.json | cfssljson -bare kube-proxy\n```\n\n4.分发证书到所有Node节点\n\n```\n[root@master01 ssl]# cp kube-proxy*.pem /opt/kubernetes/ssl/[root@master01 ssl]# scp kube-proxy*.pem node01:/opt/kubernetes/ssl/[root@master01 ssl]# scp kube-proxy*.pem node02:/opt/kubernetes/ssl/[root@master01 ssl]# scp kube-proxy*.pem node03:/opt/kubernetes/ssl/\n```\n\n5.创建kube-proxy配置文件\n\n```\n[root@master01 ~]# kubectl config set-cluster kubernetes \\\n   --certificate-authority=/opt/kubernetes/ssl/ca.pem \\\n   --embed-certs=true \\\n   --server=https://10.80.4.200:6443 \\\n   --kubeconfig=kube-proxy.kubeconfig\nCluster \"kubernetes\" set.\n\n[root@master01 ~]# kubectl config set-credentials kube-proxy \\\n   --client-certificate=/opt/kubernetes/ssl/kube-proxy.pem \\\n   --client-key=/opt/kubernetes/ssl/kube-proxy-key.pem \\\n   --embed-certs=true \\\n   --kubeconfig=kube-proxy.kubeconfig\nUser \"kube-proxy\" set.\n\n[root@master01 ~]# kubectl config set-context default \\\n   --cluster=kubernetes \\\n   --user=kube-proxy \\\n   --kubeconfig=kube-proxy.kubeconfig\nContext \"default\" created.\n\n[root@mastre01 ~]# kubectl config use-context default --kubeconfig=kube-proxy.kubeconfig\nSwitched to context \"default\".\n```\n\n6.分发kubeconfig配置文件\n\n```\n[root@master01 ~]# scp kube-proxy.kubeconfig node01:/opt/kubernetes/cfg/\n[root@master01 ~]# scp kube-proxy.kubeconfig node02:/opt/kubernetes/cfg/\n[root@master01 ~]# scp kube-proxy.kubeconfig node03:/opt/kubernetes/cfg/\n```\n\n7.创建kube-proxy服务配置\n\n```\n[root@node01 ~]# mkdir /var/lib/kube-proxy\n\n[root@node01 ~]# vim /usr/lib/systemd/system/kube-proxy.service\n[Unit]\nDescription=Kubernetes Kube-Proxy Server\nDocumentation=https://github.com/GoogleCloudPlatform/kubernetes\nAfter=network.target\n\n[Service]\nWorkingDirectory=/var/lib/kube-proxy\nExecStart=/opt/kubernetes/bin/kube-proxy \\\n  --bind-address=10.80.4.203 \\\n  --hostname-override=10.80.4.203 \\\n  --kubeconfig=/opt/kubernetes/cfg/kube-proxy.kubeconfig \\\n--masquerade-all \\\n  --feature-gates=SupportIPVSProxyMode=true \\\n  --proxy-mode=ipvs \\\n  --ipvs-min-sync-period=5s \\\n  --ipvs-sync-period=5s \\\n  --ipvs-scheduler=rr \\\n  --logtostderr=true \\\n  --v=2 \\\n  --logtostderr=false \\\n  --log-dir=/opt/kubernetes/log\n\nRestart=on-failure\nRestartSec=5\nLimitNOFILE=65536\n\n[Install]\nWantedBy=multi-user.target[root@node01 ~]# scp /usr/lib/systemd/system/kube-proxy.service node02:/usr/lib/systemd/system/ #注意要修改节点信息[root@node01 ~]# scp /usr/lib/systemd/system/kube-proxy.service node03:/usr/lib/systemd/system/ #注意要修改节点信息8.启动Kubernetes Proxy[root@node01 ~]# systemctl daemon-reload\n[root@node01 ~]# systemctl enable kube-proxy\n[root@node01 ~]# systemctl start kube-proxy\n```\n\n9.查看服务状态 查看kube-proxy服务状态\n\n```\n[root@node01 ~]# systemctl status kube-proxy\n\n检查LVS状态\n[root@node01 ~]#  ipvsadm -L -n\nIP Virtual Server version 1.2.1 (size=4096)\nProt LocalAddress:Port Scheduler Flags\n  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn\nTCP  10.1.0.1:443 rr\n  -> 10.80.4.201:6443             Masq    1      0          0\n  -> 10.80.4.202:6443             Masq    1      0          0\n```\n\n如果你在三台实验机器都安装了kubelet和proxy服务，使用下面的命令可以检查状态：\n\n```\n[root@master01 ~]# kubectl get node\nNAME          STATUS   ROLES    AGE   VERSION\n10.80.4.203   Ready       17m   v1.12.1\n10.80.4.204   Ready       17m   v1.12.1\n10.80.4.205   Ready       17m   v1.12.1\n```","/article/78",9518,"2018-10-25 16:35:59","2018-10-26 09:22:36",[156,157,158],{"id":39,"name":81,"url":82},{"id":46,"name":64,"url":66},{"id":145,"name":146,"url":151},{"create_time":6,"description":6,"id":46,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":64,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":65,"subtitle":6,"update_time":6,"url":66},{"title":161,"url":162},"kubernetes 1.12.1 高可用安装之Flannel部署","/article/79",{"title":164,"url":165},"kubernetes 1.12.1 高可用安装之部署Kubernetes API服务部署","/article/77",[167,168,169,170],{"create_time":6,"description":6,"id":44,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":23,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":53,"subtitle":6,"update_time":6,"url":59},{"create_time":6,"description":6,"id":45,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":61,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":56,"subtitle":6,"update_time":6,"url":62},{"create_time":6,"description":6,"id":46,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":64,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":65,"subtitle":6,"update_time":6,"url":66},{"create_time":6,"description":6,"id":47,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":68,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":69,"subtitle":6,"update_time":6,"url":70},{"description":148,"keywords":147,"title":146},[173,182,191,200,209,218,227,236,245,253],{"id":174,"category_id":44,"title":175,"keywords":176,"description":177,"image_url":6,"url":178,"hits":179,"is_recommend":73,"is_top":73,"create_time":180,"update_time":181},101,"开启 HTTPS 并获得 ssllabs 满分的过程","开启,获得,满分,过程","准备工作确保你要申请证书的域名都解析到了这台服务器上，且能直接通过域名访问。使用官网推荐的CertBot获取证书。在CertBot官网选择一下环境(比如我选Nginx on Ubuntu 17.04)就可以看到入门教程了。安装CertBot12345apt-get updateapt-get install software-properties-commonadd-apt-repository ppa:certbot/certbotapt-get updateapt-get","/article/101",18546,"2019-11-26 16:12:11","2019-11-26 16:23:16",{"id":183,"category_id":44,"title":184,"keywords":185,"description":186,"image_url":6,"url":187,"hits":188,"is_recommend":73,"is_top":73,"create_time":189,"update_time":190},113,"在CentOS 7中添加命令自动补全功能","命令自动补全,centos","在CentOS 7中，默认情况下并不会安装命令补全包，需要手动安装才能使用命令补全功能。以下是在CentOS 7中安装命令补全包的方法：1. bash-completion：这是一个针对Bash shell的命令补全软件包，可以提供对系统命令、用户自定义命令和文件路径的自动补全功能。可以通过以下命令安装：```sudo yum install bash-completion```安装完成后，需要在/etc/profile配置文件中添加以下内容：```if [ -f /etc/bash_compl","/article/113",14948,"2023-05-16 10:54:01","2023-05-16 10:57:28",{"id":192,"category_id":44,"title":193,"keywords":194,"description":195,"image_url":6,"url":196,"hits":197,"is_recommend":53,"is_top":73,"create_time":198,"update_time":199},94,"Centos7 安装 openvas ","openvas,开放式漏洞评估系统，installing openvas centos-7","一、描述OpenVAS，即开放式漏洞评估系统，是一个用于评估目标漏洞的杰出框架。功能十分强大，最重要的是，它是“开源”的——就是免费的意思啦～它与著名的Nessus“本是同根生”，在Nessus商业化之后仍然坚持开源，号称“当前最好用的开源漏洞扫描工具”。最新版的Kali Linux(kali 3.0)不再自带OpenVAS了，所以我们要自己部署OpenVAS漏洞检测系统。其核心部件是一个服务器，包括一套网络漏洞测试程序，可以检测远程系统和应用程序中的安全问题。但是它的最常用用途是检测目标网络或","/article/94",14690,"2019-01-14 17:43:42","2019-01-14 18:16:36",{"id":201,"category_id":44,"title":202,"keywords":203,"description":204,"image_url":6,"url":205,"hits":206,"is_recommend":73,"is_top":73,"create_time":207,"update_time":208},99,"Centos7 利用iptables防止nmap工具防端口扫描","iptables","一、Nmap介绍       Nmap（NetworkMapper）是一款开放源代码的网络探测和安全审核工具。它用于快速扫描一个网络和一台主机开放的端口，还能使用TCP/IP协议栈特征探测远程主机的操作系统类型。nmap支持很多扫描技术，例如：UDP、TCPconnect()、TCPSYN(半开扫描)、ftp代理(bounce攻击)、反向标志、ICMP、FIN、ACK扫描、圣诞树(XmasTree)、SYN扫描和null扫描。Nmap最初是用于Unix系统","/article/99",14415,"2019-07-09 21:27:00","2019-07-09 21:57:53",{"id":210,"category_id":46,"title":211,"keywords":212,"description":213,"image_url":6,"url":214,"hits":215,"is_recommend":73,"is_top":73,"create_time":216,"update_time":217},61,"Docker 推荐的启动方式","推荐,启动,方式","# cat DockerfileFROM openjdk:8-alpineWORKDIR /ADD ./target/*.jar app.jarEXPOSE 9999COPY docker-entrypoint.sh /RUN chmod +x /docker-entrypoint.shENTRYPOINT [“/docker-entrypoint.sh”]CMD [“java”,”-server”,”-Duser.timezone=GMT+08″,”-jar”,”/app.jar”]# cat","/article/61",14347,"2018-10-22 13:55:47","2018-10-22 13:56:10",{"id":219,"category_id":44,"title":220,"keywords":221,"description":222,"image_url":6,"url":223,"hits":224,"is_recommend":73,"is_top":73,"create_time":225,"update_time":226},107,"Acme.sh 给 SSL 证书自动续期失败的解决方法","HTTP/1.1 200 OK,Server: Bayou Tech Web Srv 1.0,Content-Encoding: none,Content-Length: 5,Content-Type","一、Acme.sh 自动续期失败的症状问题描述如下，续期的时候，提示如下错误：root@dc:~# \"/data/acme.sh\"/acme.sh --cron --home \"/data/acme.sh\" > /dev/null[Sun Nov 10 23:52:17 CST 2020] Error, can not get domain token entry example.com[Sun Nov 10 23:52:17 CST 2020] Please check log file","/article/107",12618,"2021-09-03 10:44:18","2021-09-03 10:46:23",{"id":228,"category_id":44,"title":229,"keywords":230,"description":231,"image_url":6,"url":232,"hits":233,"is_recommend":53,"is_top":73,"create_time":234,"update_time":235},93,"ELK+Filebeat+Kafka+ZooKeeper 构建海量日志分析平台","Filebeat,Kafka","一、说明1.Filebeat是一个日志文件托运工具，在你的服务器上安装客户端后，filebeat会监控日志目录或者指定的日志文件，追踪读取这些文件（追踪文件的变化，不停的读）2.Kafka是一种高吞吐量的分布式发布订阅消息系统，它可以处理消费者规模的网站中的所有动作流数据3.Logstash是一根具备实时数据传输能力的管道，负责将数据信息从管道的输入端传输到管道的输出端；与此同时这根管道还可以让你根据自己的需求在中间加上滤网，Logstash提供里很多功能强大的滤网以满足你的各种应用场景4.El","/article/93",12190,"2018-12-24 16:40:08","2018-12-26 11:53:38",{"id":237,"category_id":46,"title":238,"keywords":239,"description":240,"image_url":6,"url":241,"hits":242,"is_recommend":53,"is_top":73,"create_time":243,"update_time":244},81,"kubernetes 1.12.1 高可用安装之部署Dashboard","安装Dashboard","创建Dashboard需要CoreDNS部署成功之后再安装Dashboard。[root@master01 ~]# wget https://zhl123.com/download/k8s/Dashboard.tgz[root@master01 ~]# tar xf Dashboard.tgz[root@master01 ~]# kubectl create -f Dashboard/[root@master01 Dashboard]# kubectl get svc -n kube-syste","/article/81",12037,"2018-10-26 09:54:41","2018-10-26 16:59:19",{"id":246,"category_id":44,"title":247,"keywords":6,"description":248,"image_url":6,"url":249,"hits":250,"is_recommend":73,"is_top":73,"create_time":251,"update_time":252},100,"用 Nginx 给 Cookie 增加 Secure 和 HttpOnly","在 nginx 的 location 中配置12# 只支持 proxy 模式下设置，SameSite 不需要可删除，如果想更安全可以把 SameSite 设置为 Strictproxy_cookie_path / \"/; httponly; secure; SameSite=Lax\";示例1234567891011121314151617181920212223242526server {    listen 443 ssl http2;    server_name www.zhl123.cn","/article/100",11848,"2019-11-26 16:10:57","2019-11-26 16:23:45",{"id":254,"category_id":44,"title":255,"keywords":256,"description":257,"image_url":6,"url":258,"hits":259,"is_recommend":73,"is_top":73,"create_time":260,"update_time":261},41,"Tomcat 安全配置与性能优化","tomcat，性能优化","1. JVM 1.1. 使用 Server JRE 替代JDK。 服务器上不要安装JDK，请使用 Server JRE. 服务器上根本不需要编译器，代码应该在Release服务器上完成编译打包工作。 理由：一旦服务器被控制，可以防止在其服务器上编译其他恶意代码并植入到你的程序中。 1.2. JAVA_OPTS export JAVA_OPTS=\"-server -Xms512m -Xmx4096m  -XX:PermSize=64M -","/article/41",11623,"2016-09-01 17:06:36","2018-10-18 17:06:58",[263,271,279,287,295,303,311,319,328,337],{"id":264,"category_id":40,"title":265,"keywords":6,"description":266,"image_url":6,"url":267,"hits":268,"is_recommend":73,"is_top":73,"create_time":269,"update_time":270},123,"Agent Skill 精选集：最值得收藏的 Agent Skills Top 10","如果你正在用 Claude Code 或 Codex，一定对 Agent Skills 不陌生。通过安装 Agent Skills，你可以让这些 AI 助手变得更强——不用每次都解释你的需求，它们直接就知道该怎么做。最近有人在 GitHub 上做了一个采样调查，统计了哪些 Skills 的质量最佳和最受欢迎。我整理了这份 Top 10 榜单，加上使用场景和适合人群，帮你快速找到最有用的那几个。Top 10 最受欢迎的 Agent Skills1. Skil","/article/123",270,"2026-01-19 18:49:12","2026-01-19 18:52:01",{"id":272,"category_id":44,"title":273,"keywords":6,"description":274,"image_url":6,"url":275,"hits":276,"is_recommend":73,"is_top":73,"create_time":277,"update_time":278},122,"Nginx性能调优18条黄金法则：支撑10万并发的配置模板","一、概述1.1 背景介绍说实话，Nginx调优这事儿我踩过无数坑。记得2019年双11，我们电商平台流量暴涨，Nginx直接扛不住了，QPS从平时的2万飙升到8万，响应时间从50ms飙到了2秒，最后还是靠临时加机器扛过去的。那次事故之后，我花了大半年时间专门研究Nginx的性能极限，总结出了这20条黄金法则。Nginx作为目前最流行的Web服务器和反向代理，官方数据显示单机可以轻松处理10万+的并发连接。但实际生产环境中，很多同学拿到默认配置就直接上了，结果发现连1万并发都扛不住。问题不在Ngi","/article/122",337,"2026-01-12 11:11:50","2026-01-12 11:12:28",{"id":280,"category_id":46,"title":281,"keywords":6,"description":282,"image_url":6,"url":283,"hits":284,"is_recommend":73,"is_top":73,"create_time":285,"update_time":286},121,"Docker 镜像优化与安全扫描：将镜像体积压缩 70%","1. 适用场景 & 前置条件项目要求适用场景容器化应用镜像体积过大（> 500MB），构建时间长（> 10分钟），存在安全漏洞（CVE高危）OSRHEL/CentOS 7.9+ 或 Ubuntu 20.04+内核Linux Kernel 3.10+软件版本Docker 20.10+ 或 Podman 3.0+，Trivy 0.40+（安全扫描工具）资源规格2C4G（最小）/ 4C8G（推荐），磁盘 50GB+（存储镜像与缓存）网络可访问 Docker Hub/阿里云镜像仓库（","/article/121",309,"2026-01-06 11:54:35","2026-01-06 12:01:59",{"id":288,"category_id":44,"title":289,"keywords":6,"description":290,"image_url":6,"url":291,"hits":292,"is_recommend":73,"is_top":73,"create_time":293,"update_time":294},120,"用 Prometheus Recording Rules 把告警噪声砍掉 70%(二)","五、故障排查和监控5.1 故障排查◆ 5.1.1 日志查看# 查看 Prometheus 日志中的规则评估错误journalctl -u prometheus | grep -i \"rule\" | tail -50# 查看规则评估耗时curl -s http://localhost:9090/api/v1/rules | jq '.data.groups[].rules[] | select(.health != \"ok\")'# Kubernet","/article/120",282,"2026-01-06 11:53:50","2026-01-06 11:54:33",{"id":296,"category_id":44,"title":297,"keywords":6,"description":298,"image_url":6,"url":299,"hits":300,"is_recommend":73,"is_top":73,"create_time":301,"update_time":302},119,"用 Prometheus Recording Rules 把告警噪声砍掉 70%(一)","一、概述1.1 背景介绍在大规模微服务架构下，Prometheus 告警系统往往会陷入一个尴尬的境地：告警太多，运维团队开始选择性忽略；告警太少，真正的故障又可能漏掉。我在某电商平台负责监控体系建设时，团队每天要处理超过 2000 条告警，其中 70% 以上是重复的、关联的或者短暂抖动产生的噪声。Recording Rules 是 Prometheus 提供的预计算机制，可以将复杂的查询表达式预先计算并存储为新的时间序列。通过合理设计 Recording Rules，我们不仅能显著降低 Prom","/article/119",301,"2026-01-06 11:51:58","2026-01-06 11:53:45",{"id":304,"category_id":44,"title":305,"keywords":6,"description":306,"image_url":6,"url":307,"hits":308,"is_recommend":73,"is_top":73,"create_time":309,"update_time":310},118,"GitOps 落地实践：ArgoCD + Kustomize 实现声明式基础设施管理(二)","四、最佳实践和注意事项4.1 最佳实践4.1.1 性能优化优化点一：减少 Git 轮询频率# argocd-cm ConfigMapapiVersion: v1kind: ConfigMapmetadata:  name: argocd-cm  namespace: argocddata:  timeout.reconciliation: 300s  # 默认 180","/article/118",305,"2026-01-06 11:49:00","2026-01-06 11:49:34",{"id":312,"category_id":44,"title":313,"keywords":6,"description":314,"image_url":6,"url":315,"hits":316,"is_recommend":73,"is_top":73,"create_time":317,"update_time":318},117,"GitOps 落地实践：ArgoCD + Kustomize 实现声明式基础设施管理(一)","一、概述1.1 背景介绍GitOps 作为云原生时代的运维范式，将 Git 作为基础设施和应用配置的单一事实来源，通过声明式配置和自动化同步机制，实现了配置管理的版本控制、审计追溯和快速回滚。ArgoCD 作为 CNCF 毕业项目，提供了完整的 GitOps 工作流，支持多集群管理、RBAC 权限控制、SSO 集成等企业级特性。结合 Kustomize 的配置管理能力，能够优雅地解决多环境配置差异、敏感信息管理、配置复用等问题。在传统的 CI/CD 流程中，往往由 CI 工具直接执行 kubec","/article/117",310,"2026-01-06 11:45:03","2026-01-06 11:48:56",{"id":320,"category_id":40,"title":321,"keywords":322,"description":323,"image_url":6,"url":324,"hits":325,"is_recommend":73,"is_top":73,"create_time":326,"update_time":327},116,"运维部门年度2025工作总结与2026工作规划应该如何写？","运维部门年度2025工作总结,2026工作规划","2025年，运维部在公司“数字化转型深化”战略引领下，以“稳定为基、效率为纲、安全为盾、创新为翼”为核心导向，全面支撑核心业务系统运行、推动技术架构迭代、强化团队能力建设。 全年实现核心业务系统可用性99.985%，较2024年提升0.02个百分点；故障平均恢复时间（MTTR）从42分钟压缩至29分钟，下降31%；云资源成本同比降低16.8%，自动化运维覆盖率从65%提升至83%，未发生重大生产安全事故，圆满完成年度目标。现将全年工作及2026年规划汇报如下：2025年核心工作成果（数","/article/116",297,"2026-01-06 11:20:58","2026-01-06 11:44:04",{"id":329,"category_id":40,"title":330,"keywords":331,"description":332,"image_url":6,"url":333,"hits":334,"is_recommend":73,"is_top":73,"create_time":335,"update_time":336},115,"Kubernetes 100个常用命令","100 个 Kubectl 命令","这篇文章是关于使用 Kubectl 进行 Kubernetes 诊断的指南。列出了 100 个 Kubectl 命令，这些命令对于诊断 Kubernetes 集群中的问题非常有用。这些问题包括但不限于：• 集群信息• Pod 诊断• 服务诊断• 部署诊断• 网络诊断• 持久卷和持久卷声明诊断• 资源使用情况• 安全和授权• 节点故障排除• 其他诊断命令：文章还提到了许多其他命令，如资源扩展和自动扩","/article/115",3642,"2023-11-02 14:09:30","2023-11-02 14:10:05",{"id":183,"category_id":44,"title":184,"keywords":185,"description":186,"image_url":6,"url":187,"hits":188,"is_recommend":73,"is_top":73,"create_time":189,"update_time":190},1784716028677]