RKE 安装kubernetes报错

执行 rke up 安装集群

报错如下:


WARN[0000] Failed to set up SSH tunneling for host [172.20.101.167]: 
Can't retrieve Docker Info: error during connect: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.24/info: Unable to access the Docker socket (/var/run/docker.sock). 
Please check if the configured user can execute `docker ps` on the node, and if the SSH server version is at least version 6.7 or higher. 
If you are using RedHat/CentOS, you can't use the user `root`. 
Please refer to the documentation for more instructions. Error: ssh: rejected: administratively prohibited (open failed) 

报错内容提示

大致意思说:
1:Centos 系统,不能用root 执行docker 命令;
2:Sshd 服务版本不能低于 6.7;

解决办法:

创建用户并且添加到docker组

groupadd docker
useradd rancher -G docker
echo "123456" | passwd --stdin rancher

或者将现有的一个账户加入到docke组;

usermod ptmind -G docker 

注意修改:

nodes:
  - address: 172.20.101.157 #集群节点的地址

    user: ptmind              #使用哪个用户执行安装命令   <=== 修改用户
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