self-hosted-cookbook/docker/troubleshooting.md
Tomasz Borychowski b9f0cfc995 docker setup
2020-12-14 15:32:10 +00:00

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# Docker Troubleshooting
### ERROR: Version in "./docker-compose.yml" is unsupported.
```sh
sudo apt-get remove docker-compose
sudo curl -L "https://github.com/docker/compose/releases/download/1.27.4/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
```
### ERROR: Couldn't connect to Docker daemon at http+docker://localhost - is it running?
```sh
sudo reboot
```
### ERROR: Permission denied while trying to connect to the Docker daemon
```sh
sudo usermod -a -G docker $USER
```
### ERROR: mountpoint for devices not found
e.g.
```
OCI runtime create failed: container_linux.go:349: starting container process caused "process_linux.go:297: applying cgroup configuration for process caused \"mountpoint for devices not found\"": unknown
```
#### Follow These Steps:
1. edit grub
```sh
sudo nano /etc/default/grub
```
2. change GRUB_CMDLINE_LINUX value to the below:
```
GRUB_CMDLINE_LINUX="systemd.unified_cgroup_hierarchy=0"
```
3. then run:
```sh
grub2-mkconfig
```
4. then:
```sh
sudo reboot
```