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48 lines
1.1 KiB
Markdown
48 lines
1.1 KiB
Markdown
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# Docker Troubleshooting
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### ERROR: Version in "./docker-compose.yml" is unsupported.
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```sh
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sudo apt-get remove docker-compose
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sudo curl -L "https://github.com/docker/compose/releases/download/1.23.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
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sudo chmod +x /usr/local/bin/docker-compose
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sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
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```
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### ERROR: Couldn't connect to Docker daemon at http+docker://localhost - is it running?
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```sh
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sudo reboot
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```
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### ERROR: Permission denied while trying to connect to the Docker daemon
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```sh
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sudo usermod -a -G docker $USER
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```
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### ERROR: mountpoint for devices not found
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e.g.
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```
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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
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```
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#### Follow These Steps:
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1. edit grub
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```sh
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sudo nano /etc/default/grub
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```
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2. change GRUB_CMDLINE_LINUX value to the below:
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```
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GRUB_CMDLINE_LINUX="systemd.unified_cgroup_hierarchy=0"
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```
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3. then run:
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```sh
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grub2-mkconfig
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```
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4. then:
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```sh
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sudo reboot
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```
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