安装单机版KubeSphere

### kubesphere
## 在linux上安装Kubernetes和KubeSphere  
## 关闭防火墙或者开放必要的[防火墙端口]
systemctl disable firewalld
systemctl stop firewalld
systemctl status firewalld 
                         
## 查看并关闭swap分区
swapoff -a
echo "vm.swappiness=0" >> /etc/sysctl.conf  
sysctl -p /etc/sysctl.conf 
sed -i 's$/dev/mapper/centos-swap$#/dev/mapper/centos-swap$g' /etc/fstab 
free -m 
## 查看Selinux状态
getenforce
## 安装依赖组件
yum install -y ebtables socat ipset conntrack                                 
## 安装docker 
yum install -y yum-utils
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo 
yum makecache fast
yum -y install docker-ce-18.09.9-3.el7 docker-ce-cli-18.09.9
## 启动docker 
systemctl enable docker && systemctl start docker  
systemctl status docker
## 设置docker镜像加速器
vim  /etc/docker/daemon.json
{
"registry-mirrors":["https://gqk8w9va.mirror.aliyuncs.com"]      
}     
## 重启docker使配置生效
systemctl restart docker
docker info|grep "Registry Mirrors" -A 1 
## 检查DNS设置
cat /etc/resolv.conf 
## 设置kubernetes仓库 
vi /etc/yum.repos.d/kubernetes.repo 
[kubernetes]
name=Kubernetes
baseurl=http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64 
enabled=1
gpgcheck=0
repo_gpgcheck=0 
gpgkey=http://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg http://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
              
yum makecache fast
## 安装kubelet和kubectl 
yum install -y kubelet-1.17.9 kubectl-1.17.9
## 下载kubekey
yum install -y wget
#需要谷歌
wget -c https://kubesphere.io/download/kubekey-v1.0.0-linux-amd64.tar.gz -O - | tar -xz --2020-09-26 23:45:18--  https://kubesphere.io/download/kubekey-v1.0.0-linux-amd64.tar.gz
#不需要谷歌
export KKZONE=cn
curl -sfL https://get-kk.kubesphere.io | VERSION=v1.1.1 sh -
chmod +x kk
## 开始安装
## 使用kubekey安装kubernetes（默认v1.17.9）和kubesphere（默认v3.0.0）
./kk create cluster --with-kubernetes v1.17.9 --with-kubesphere v3.0.0
## 检查安装    
kubectl logs -n kubesphere-system $(kubectl get pod -n kubesphere-system -l app=ks-install -o jsonpath='{.items[0].metadata.name}') -f
      

 

官方教程：https://v3-1.docs.kubesphere.io/zh/docs/quick-start/all-in-one-on-linux/