你确定联网了吗，IP子网源码，网关，dns都配置了吗?

泡了两份咖啡，还是巨困。

强啊墙啊

厉害哦

```
docker search hello-world
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
hello-world Hello World! (an example of minimal Dockeriz… 793 [OK]
kitematic/hello-world-nginx A light-weight nginx container that demonstr… 117
tutum/hello-world Image to test docker deployments. Has Apache… 59 [OK]
dockercloud/hello-world Hello World! 14 [OK]
hypriot/armhf-hello-world Hello World! (an example of minimal Dockeriz… 6
crccheck/hello-world Hello World web server in under 2.5 MB 6 [OK]
armhf/hello-world Hello World! (an example of minimal Dockeriz… 5
marcells/aspnet-hello-world ASP.NET vNext - Hello World 5 [OK]
bonomat/nodejs-hello-world a simple nodejs hello world container 3 [OK]
kornkitti/express-hello-world Node.js Express Hello World : https://github… 3
hello-seattle Hello from DockerCon 2016 (Seattle)! 2 [OK]
ppc64le/hello-world Hello World! (an example of minimal Dockeriz… 2
arm32v7/hello-world Hello World! (an example of minimal Dockeriz… 1
carinamarina/hello-world-app This is a sample Python web application, run… 1 [OK]
ansibleplaybookbundle/hello-world-apb An APB which deploys a sample Hello World! a… 0 [OK]
ansibleplaybookbundle/hello-world-db-apb An APB which deploys a sample Hello World! a… 0 [OK]
microsoft/mcr-hello-world Hello World! (an example of minimal Dockeriz… 0
mcrflowtest/mcr-hello-world Hello World! (an example of minimal Dockeriz… 0
gscrivano/hello-world hello world example system container 0 [OK]
s390x/hello-world Hello World! (an example of minimal Dockeriz… 0
markmnei/hello-world-java Automated build of Hello World Java 0 [OK]
burdz/hello-world-k8s To provide a simple webserver that can have … 0 [OK]
kevindockercompany/hello-world 0
infrastructureascode/hello-world A tiny "Hello World" web server with a healt… 0 [OK]
winamd64/hello-world Hello World! (an example of minimal Dockeriz… 0

```

[root@HikvisionOS ~]# sudo docker search hello-world
Error response from daemon: Get https://index.docker.io/v1/search?q=hello-world&n=25: x509: certificate signed by unknown authority
这是为什么 但是pull是可以用的 search就不行

PS C:\Users\niunan> docker search tutorial
Error response from daemon: Get https://index.docker.io/v1/search?q=tutorial&n=25: net/http: TLS handshake timeout
伟大的墙阻止了我学习的热情。。。

你可以配置阿里云镜像

mmmm

注意使用“sudo docker search XXXX”，否则可能提示“dial unix /var/run/docker.sock: connect: permission denied”

说白了就是得翻墙才能执行这个命令，再一个，我的Mac开始的时候发现终端都ping不通百度，后来捅咕捅咕就好了。