Cannot connect to the Docker daemon at tcp://xxxx:2376. Is the docker daemon running?

[damozhiying]

docker-machine ls
NAME    ACTIVE   DRIVER    STATE     URL                         SWARM   DOCKER     ERRORS
dmzy    *        generic   Running   tcp://192.168.30.176:2376           v18.09.7   
host1   -        generic   Running   tcp://192.168.30.56:2376            v18.09.5   

eval $(docker-machine env host1)

 docker ps
Cannot connect to the Docker daemon at tcp://192.168.30.56:2376. Is the docker daemon running?

alias dockerx="sudo docker --tlsverify -H=tcp://192.168.30.176:2376 --tlscacert=/home/dmzy/.docker/machine/machines/dmzy/ca.pem --tlscert=/home/dmzy/.docker/machine/machines/dmzy/cert.pem --tlskey=/home/dmzy/.docker/machine/machines/dmzy/key.pem"

 dockerx ps
CONTAINER ID        IMAGE               COMMAND              CREATED             STATUS              PORTS               NAMES
8dfaa16d655c        httpd               "httpd-foreground"   2 hours ago         Up 2 hours          80/tcp              awesome_cohen

alias dockerx=" docker --tlsverify -H=tcp://192.168.30.176:2376 --tlscacert=/home/dmzy/.docker/machine/machines/dmzy/ca.pem --tlscert=/home/dmzy/.docker/machine/machines/dmzy/cert.pem --tlskey=/home/dmzy/.docker/machine/machines/dmzy/key.pem"

 dockerx ps
Cannot connect to the Docker daemon at tcp://192.168.30.176:2376. Is the docker daemon running?

i think there is permission error? but i had add the current user to docker group,

[ghost]

Hey @damozhiying, I'm also facing the same issue. Is it resolved for you now?