FROM centos:7RUN cd /etc/yum.repos.d && mkdir bak && mv *.repo bak/ \&& curl -s -o ./Centos-7.repo https://mirrors.aliyun.com/repo/Centos-7.repo \&& curl -s -o ./epel.r

1 docker 打包和导入镜像#docker save -o k8s-dns-node-cache-1.21.1.tar k8s.gcr.io/dns/k8s-dns-node-cache:1.21.1#docker load -i k8s-dns-node-cache-1.21.1.tar注意：使用镜像ID打包，则解压的出来的镜像没有名字，因此，推荐使用镜像的名字进行打包，解压出来就有镜像名称

Status from runtime service failed" err="rpc error: code = Unimplemented desc = unknown service runtime.v1alpha2.RuntimeService解决办法

报错如下WARN [Controller id=0, targetBrokerId=0] Connection to node 0 (/47.243.58.79:9092) could not be established. Broker may not be available.原因安全组没有对自身IP（47.243.58.79）开放9092端口解决办法对自身IP（47.243.58.79）开放

kafka 启停脚本_周易不易的博客-CSDN博客#!/bin/bashzkPort=2181kaPort=9092kaFile='/usr/local/kafka/config/server.properties'zkFile='/usr/local/kafka/config/zookeeper.properties'logsDir='/data/logs'blue() {echo -e "\0

Failed: error getting collections for database `admin`: error running `listCollections`. Database: `admin` Err: not authorized on admin to execute command { lcursor: {}, $readPreference: { mode: "seco