云计算容器编排技术 课件 8Kubernetes集群-安装D

Kubernetes集群-安装Docker目录01任务安装Docker服务环境准备02任务学习目标【知识目标】●了解内核参数；●

掌握yum的配置。【技能目标】●

能够安装Docker服务。1环境准备docker安装环境准备1修改机器内核参数为什么开启net.bridge.bridge-nf-call-iptables内核参数？在centos下安装docker，执行dockerinfo出现如下警告：WARNING:bridge-nf-call-iptablesisdisabledWARNING:bridge-nf-call-ip6tablesisdisabled解决办法：vim/etc/sysctl.d/Kubernetes.confnet.bridge.bridge-nf-call-ip6tables=1net.bridge.bridge-nf-call-iptables=11修改机器内核参数为什么要开启net.ipv4.ip_forward参数？kubeadm初始化Kubernetes报错：解决办法：vim/etc/sysctl.d/Kubernetes.confnet.ipv4.ip_forward=1docker安装环境准备1修改机器内核参数三节点执行相同配置，以master节点为例[root@master~]#modprobebr_netfilter[root@master~]#echo"modprobebr_netfilter">>/etc/profile[root@master~]#cat>/etc/sysctl.d/Kubernetes.conf<<EOFnet.bridge.bridge-nf-call-ip6tables=1net.bridge.bridge-nf-call-iptables=1net.ipv4.ip_forward=1EOF[root@master~]#sysctl-p/etc/sysctl.d/Kubernetes.confdocker安装环境准备1配置yum源三节点配置阿里云centos的YUM源，以Master节点为例[root@master~]#mv/etc/yum.repos.d/*/home[root@master~]#curl-o/etc/yum.repos.d/CentOS-Base.repo/repo/Centos-7.repodocker安装环境准备1配置yum源三节点配置国内阿里云docker的YUM源，以Master节点为例[root@master~]#yuminstall-yyum-utils[root@master~]#yum-config-manager--add-repo/docker-ce/linux/centos/docker-ce.repo[root@master~]#sed-i's++/docker-ce+'/etc/yum.repos.d/docker-ce.repodocker安装环境准备2安装docker服务安装docker服务各节点部署docker服务，以Master节点为例[root@master~]#yuminstall-yyum-utilsdevice-mapper-persistent-datalvm2[root@master~]#yuminstalldocker-ce-20.10.6docker-ce-cli-20.10.6containerd.io-y[root@master~]#systemctlstartdocker&&systemctlenabledocker.service2安装docker-ce安装docker服务[root@master~]#cat>/etc/docker/daemon.json<<EOF{"exec-opts":["native.cgroupdriver=systemd"],"log-driver":"json-file","log-opts":{"max-size":"100m","max-file":"10"},"oom-score-adjust":-1000,"registry-mirrors":[""],"storage-driver":"overlay2","storage-opts":["overlay2.override_kernel_check=true"],"live-restore":false}EOF2配置镜像加速器和驱动[root@master~]#systemctldaemon-reload[root@master~