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Created March 25, 2023 05:22
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Workaround for docker container issues on Ubuntu 22.04
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README.md

This started happening with docker v20.10 on ubuntu 22.04. Specifically I had errors like these pop up when trying to run the rancher/agent (for rancher/server v1.6.30):

time="2021-06-29T09:13:28Z" level=fatal msg="Failed to find container id:\n0::/\n"

Seems to be caused by cgroups v2

To make it work again run: echo 'GRUB_CMDLINE_LINUX=systemd.unified_cgroup_hierarchy=false' > /etc/default/grub.d/cgroup.cfg

OR (if it fails if you're not root) create/edit the file /etc/default/grub.d/cgroup.cfg and add this line to it: GRUB_CMDLINE_LINUX=systemd.unified_cgroup_hierarchy=false

Then run: update-grub

and finally reboot the system and it should all work again :)

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