本文提供了一个详细的步骤来安装Docker及Kubernetes环境。首先通过yum命令安装并启动Docker服务，接着配置Kubernetes的yum源并安装kubeadm、kubelet和kubectl等组件。为了确保系统的兼容性，还给出了关闭SELinux的方法，并调整了sysctl参数以适应Kubernetes的需求。
一、Installing Docker
yum install -y docker systemctl enable docker && systemctl start docker
二、Installing kubeadm, kubelet and kubectl
cat <<EOF > /etc/yum.repos.d/kubernetes.repo [kubernetes] name=Kubernetes baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64 enabled=1 gpgcheck=1 repo_gpgcheck=1 gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg EOF setenforce 0 yum install -y kubelet kubeadm kubectl systemctl enable kubelet && systemctl start kubelet
1.关闭selinux
2.Some users on RHEL/CentOS 7 have reported issues with traffic being routed incorrectly due to iptables being bypassed. You should ensure net.bridge.bridge-nf-call-iptables is set to 1 in your sysctl config, e.g.
cat <<EOF > /etc/sysctl.d/k8s.conf net.bridge.bridge-nf-call-ip6tables = 1 net.bridge.bridge-nf-call-iptables = 1 EOF sysctl --system
参考 https://kubernetes.io/docs/setup/independent/install-kubeadm/
本文转自不要超过24个字符博客51CTO博客，原文链接http://blog.51cto.com/cstsncv/2060277如需转载请自行联系原作者
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