系统:CentOS Linux release 7.2 (Core) 3.10.0-693.11.6.el7.x86_64
SELinux:关闭
docker版本
# docker --version
Docker version 17.12.0-ce, build c97c6d6
docker images
# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
ubuntu latest 0458a4468cbc 4 weeks ago 112MB
报错
解决
重新docker images,成功
# docker rmi 0458a4468cbc
Untagged: ubuntu:latest
Untagged: ubuntu@sha256:e27e9d7f7f28d67aa9e2d7540bdc2b33254b452ee8e60f388875e5b7d9b2b696
Deleted: sha256:0458a4468cbceea0c304de953305b059803f67693bad463dcbe7cce2c91ba670
Deleted: sha256:77e6ddba346d8ad1e436256f6373dede5af4002006981b7d4116c561c759cefa
Deleted: sha256:8db758ab2fdb54da0aec53aeac876934337e6170f5a8c8872b3d4171e3d465b7
Deleted: sha256:a7fc6b405fe8ef71edfa6163d1dc9f1cb1df426049eefaa7d388e9df21a061ad
Deleted: sha256:5a3e35538f7f2e2727c8ac92f08c30002b9e8a77737de0dab91244344d59f69b
Deleted: sha256:ff986b10a018b48074e6d3a68b39aad8ccc002cdad912d4148c0f92b3729323e
//报错现象
# docker run -d -p 5000:5000 registry
docker: Cannot connect to the Docker daemon at tcp://localhost:2375. Is the docker daemon running
?.See 'docker run --help'.
//通过ps查看,docker已经在运行
# ps aux|grep docker
root 8560 0.0 6.6 473952 67572 ? Ssl Apr03 1:05 /usr/bin/dockerd
root 8565 0.1 2.4 292476 24396 ? Ssl Apr03 2:05 docker-containerd --config /var/
run/docker/containerd/containerd.tomlroot 21570 0.0 0.0 112660 968 pts/0 R+ 13:29 0:00 grep --color=auto docker
//命令前加sudo可以解决
# sudo docker run -d -p 5000:5000 registry