after re-installing docker sudo snap install docker on
francesco@francesco-yoga720:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.2 LTS
Release: 20.04
Codename: focal
francesco@francesco-yoga720:~$ docker --version
Docker version 19.03.13, build cd8016b6bc
francesco@francesco-yoga720:~$ sudo docker pull docker/whalesay
Using default tag: latest
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
[edit]
- docker info
Client:
Context: default
Debug Mode: false
Plugins:
app: Docker App (Docker Inc., v0.9.1-beta3)
buildx: Build with BuildKit (Docker Inc., v0.5.1-docker)
Server:
ERROR: Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
errors pretty printing info
- /etc/docker/daemon.json
francesco@francesco-yoga720:~$ cat /etc/docker/daemon.json
cat: /etc/docker/daemon.json: No such file or directory
as the error seems quite common I try to follow the (many) answers offered here but nothing worked
- systemctl start docker (etc)
francesco@francesco-yoga720:~$ sudo systemctl start docker
francesco@francesco-yoga720:~$ sudo systemctl enable docker
Synchronizing state of docker.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable docker
francesco@francesco-yoga720:~$ sudo systemctl restart docker
francesco@francesco-yoga720:~$ sudo systemctl status docker
● docker.service - Docker Application Container Engine
Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2021-02-21 11:20:43 EET; 1min 53s ago
TriggeredBy: ● docker.socket
Docs: https://docs.docker.com
Main PID: 902441 (dockerd)
Tasks: 13
Memory: 42.1M
CGroup: /system.slice/docker.service
└─902441 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
veebr 21 11:20:42 francesco-yoga720 dockerd[902441]: time="2021-02-21T11:20:42.743739283+02:00" level=warning msg="Your kernel does not support CPU realtime scheduler"
veebr 21 11:20:42 francesco-yoga720 dockerd[902441]: time="2021-02-21T11:20:42.743768279+02:00" level=warning msg="Your kernel does not support cgroup blkio weight"
veebr 21 11:20:42 francesco-yoga720 dockerd[902441]: time="2021-02-21T11:20:42.743782740+02:00" level=warning msg="Your kernel does not support cgroup blkio weight_device"
veebr 21 11:20:42 francesco-yoga720 dockerd[902441]: time="2021-02-21T11:20:42.743999793+02:00" level=info msg="Loading containers: start."
veebr 21 11:20:42 francesco-yoga720 dockerd[902441]: time="2021-02-21T11:20:42.946560909+02:00" level=info msg="Default bridge (docker0) is assigned with an IP address 172.17.0.0/16. Daemon option --bip c>
veebr 21 11:20:43 francesco-yoga720 dockerd[902441]: time="2021-02-21T11:20:43.031108724+02:00" level=info msg="Loading containers: done."
veebr 21 11:20:43 francesco-yoga720 dockerd[902441]: time="2021-02-21T11:20:43.074547710+02:00" level=info msg="Docker daemon" commit=46229ca graphdriver(s)=zfs version=20.10.3
veebr 21 11:20:43 francesco-yoga720 dockerd[902441]: time="2021-02-21T11:20:43.074672376+02:00" level=info msg="Daemon has completed initialization"
veebr 21 11:20:43 francesco-yoga720 systemd[1]: Started Docker Application Container Engine.
veebr 21 11:20:43 francesco-yoga720 dockerd[902441]: time="2021-02-21T11:20:43.122623201+02:00" level=info msg="API listen on /run/docker.sock"
francesco@francesco-yoga720:~$
francesco@francesco-yoga720:~$ sudo docker pull docker/whalesay
Using default tag: latest
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
- service docker restart
francesco@francesco-yoga720:~$ sudo service docker restart
francesco@francesco-yoga720:~$ sudo docker pull docker/whalesay
Using default tag: latest
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
- sudo snap start docker
francesco@francesco-yoga720:~$ sudo snap start docker
Started.
francesco@francesco-yoga720:~$
francesco@francesco-yoga720:~$ sudo docker pull docker/whalesay
Using default tag: latest
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
- service docker start
francesco@francesco-yoga720:~$ sudo service docker start
francesco@francesco-yoga720:~$ sudo docker pull docker/whalesay
Using default tag: latest
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
- sudo dockerd
francesco@francesco-yoga720:~$ sudo dockerd
INFO[2021-02-21T11:26:46.777903160+02:00] Starting up
failed to start daemon: pid file found, ensure docker is not running or delete /var/run/docker.pid
- sudo nohup docker daemon (etc)
francesco@francesco-yoga720:~$ sudo nohup docker daemon -H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock
nohup: ignoring input and appending output to 'nohup.out'
francesco@francesco-yoga720:~$ sudo usermod -aG docker $USER
francesco@francesco-yoga720:~$ sudo docker pull docker/whalesay
Using default tag: latest
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
EDIT with new attempts:
- sudo rm -rf /var/run/docker.pid
francesco@francesco-yoga720:~$ sudo rm -rf /var/run/docker.pid
francesco@francesco-yoga720:~$ sudo docker pull docker/whalesay
Using default tag: latest
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
francesco@francesco-yoga720:~$ sudo snap start docker
Started.
francesco@francesco-yoga720:~$ sudo docker pull docker/whalesay
Using default tag: latest
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
- providing
sudo snap logs docker
francesco@francesco-yoga720:~$ sudo snap logs docker
2021-02-21T11:00:35Z systemd[1]: Started Service for snap application docker.dockerd.
2021-02-21T11:00:36Z docker.dockerd[16902]: time="2021-02-21T13:00:36.204337202+02:00" level=error msg="failed to mount overlay: invalid argument" storage-driver=overlay2
2021-02-21T11:00:37Z docker.dockerd[16902]: failed to start daemon: error initializing graphdriver: driver not supported
2021-02-21T11:00:37Z systemd[1]: snap.docker.dockerd.service: Main process exited, code=exited, status=1/FAILURE
2021-02-21T11:00:37Z systemd[1]: snap.docker.dockerd.service: Failed with result 'exit-code'.
2021-02-21T11:00:37Z systemd[1]: snap.docker.dockerd.service: Scheduled restart job, restart counter is at 5.
2021-02-21T11:00:37Z systemd[1]: Stopped Service for snap application docker.dockerd.
2021-02-21T11:00:37Z systemd[1]: snap.docker.dockerd.service: Start request repeated too quickly.
2021-02-21T11:00:37Z systemd[1]: snap.docker.dockerd.service: Failed with result 'exit-code'.
2021-02-21T11:00:37Z systemd[1]: Failed to start Service for snap application docker.dockerd.
I don't know what else to try, any suggestion?
