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49 lines
1.3 KiB
Markdown
49 lines
1.3 KiB
Markdown
# Docker Troubleshooting
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Same as **Get Started** section - these instructions are for Ubuntu Linux.
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### ERROR: Version in "./docker-compose.yml" is unsupported.
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You need to update your `docker-compose` version:
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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/1.27.4/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 as 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. Reconfigure grub:
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```sh
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grub2-mkconfig
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```
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4. Finally reboot the system:
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```sh
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sudo reboot
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```
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