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Commita2131a7

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docs: add cgroup memory troubleshooting to install doc (#16920)
originally thought this fit under [Unofficial InstallMethods](https://coder.com/docs/install/other), but we don't talk aboutRaspberry Pi anywhere, so ~the general Install doc might be a betterfit~ moved to admin>templates>troubleshooting[preview](https://coder.com/docs/@3-cgroup-mem/admin/templates/troubleshooting#coder-on-raspberry-pi-os)---------Co-authored-by: EdwardAngert <17991901+EdwardAngert@users.noreply.github.com>Co-authored-by: M Atif Ali <atif@coder.com>
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‎docs/admin/templates/troubleshooting.md

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![Workspace build timings UI](../../images/admin/templates/troubleshooting/workspace-build-timings-ui.png)
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##Docker Workspaces on Raspberry Pi OS
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###Unable to query ContainerMemory
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When you query`ContainerMemory` and encounter the error:
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```shell
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open /sys/fs/cgroup/memory.max: no such file or directory
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```
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This error mostly affects Raspberry Pi OS, but might also affect older Debian-based systems as well.
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<details><summary>Add cgroup_memory and cgroup_enable to cmdline.txt:</summary>
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1. Confirm the list of existing cgroup controllers doesn't include`memory`:
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```console
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$ cat /sys/fs/cgroup/cgroup.controllers
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cpuset cpu io pids
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$ cat /sys/fs/cgroup/cgroup.subtree_control
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cpuset cpu io pids
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```
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1. Add cgroup entries to`cmdline.txt` in`/boot/firmware` (or`/boot/` on older Pi OS releases):
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```text
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cgroup_memory=1 cgroup_enable=memory
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```
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You can use`sed` to add it to the file for you:
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```bash
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sudo sed -i'$s/$/ cgroup_memory=1 cgroup_enable=memory/' /boot/firmware/cmdline.txt
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```
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1. Reboot:
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```bash
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sudo reboot
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```
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1. Confirm that the list of cgroup controllers now includes`memory`:
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```console
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$ cat /sys/fs/cgroup/cgroup.controllers
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cpuset cpu io memory pids
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$ cat /sys/fs/cgroup/cgroup.subtree_control
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cpuset cpu io memory pids
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```
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Read more about cgroup controllers in[The Linux Kernel](https://docs.kernel.org/admin-guide/cgroup-v2.html#controlling-controllers) documentation.
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</details>

‎docs/images/install/coder-setup.png

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‎docs/install/cli.md

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coder server
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```
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![Coder install](../images/install/coder-setup.png)
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![Coder install](../images/screenshots/welcome-create-admin-user.png)
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To log in to an existing Coder deployment:
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‎docs/install/index.md

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coder server
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```
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![Coder install](../images/install/coder-setup.png)
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![Coder install](../images/screenshots/welcome-create-admin-user.png)
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To log in to an existing Coder deployment:
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