ERROR: Couldn't connect to Docker daemon at http+docker://localhost - is it running? If it's at a non-standard location, specify the URL with the DOCKER_HOST environment variable.

[openHacking]

Linux上执行

docker-compose up -d

提示

ERROR: Couldn’t connect to Docker daemon at http+docker://localunixsocket - is it running?
If it’s at a non-standard location, specify the URL with the DOCKER_HOST environment variable.

解决

1. 将当前用户openhacking加入到docker组

sudo gpasswd -a openhacking docker

2. 用户opensource重新登陆ssh