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Merge pull request #31328 from sftim/20220113_clarify_example_linux_command_line_cgroup_v2

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Clarify example for setting Linux command line
This commit is contained in:
Kubernetes Prow Robot
2022-01-31 16:59:53 -08:00
committed by GitHub
parent 5ccbcd89be ef6d83b5dd
commit dec940e537
1 changed files with 6 additions and 2 deletions
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content/en/docs/setup/production-environment/container-runtimes.md
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@@ -83,13 +83,17 @@ If systemd doesn't use cgroup v2 by default, you can configure the system to use
`systemd.unified_cgroup_hierarchy=1` to the kernel command line.
```shell
# dnf install -y grubby && \
# This example is for a Linux OS that uses the DNF package manager
# Your system might use a different method for setting the command line
# that the Linux kernel uses.
sudo dnf install -y grubby && \
sudo grubby \
--update-kernel=ALL \
--args="systemd.unified_cgroup_hierarchy=1"
```
To apply the configuration, it is necessary to reboot the node.
If you change the command line for the kernel, you must reboot the node before your
change takes effect.
There should not be any noticeable difference in the user experience when switching to cgroup v2, unless
users are accessing the cgroup file system directly, either on the node or from within the containers.