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Add notes to fix FCOS 39 -> 40 upgrade

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Signed-off-by: Tommy <contact@tommytran.io>
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Tommy 2024-05-28 14:22:23 -07:00
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@ -7,4 +7,16 @@ Ignition configurations for Fedora CoreOS<br />
3. If you create a passwordless user that requires administrative privileges, ensure that it is part of the `sudo` group (CoreOS allows this group to use sudo without a password) as the configs will disable empty password system authentication. 3. If you create a passwordless user that requires administrative privileges, ensure that it is part of the `sudo` group (CoreOS allows this group to use sudo without a password) as the configs will disable empty password system authentication.
4. These configurations are made with a VPS in mind. You should adapt it for a bare metal deployment if that is what you are using (adding additional kernel parameters, configuring drive encryption, configuring storage, etc). You should also change the tuned profile from `virtual-guest` appropriately. 4. These configurations are made with a VPS in mind. You should adapt it for a bare metal deployment if that is what you are using (adding additional kernel parameters, configuring drive encryption, configuring storage, etc). You should also change the tuned profile from `virtual-guest` appropriately.
5. In most of these configs, the timezone is set to `America/Phoenix` and the automatic reboot time is set at 12 AM on Sunday. You need to be mindful of timezones with Daylight Savings per [Zincati documentation](https://coreos.github.io/zincati/usage/updates-strategy/). 5. In most of these configs, the timezone is set to `America/Phoenix` and the automatic reboot time is set at 12 AM on Sunday. You need to be mindful of timezones with Daylight Savings per [Zincati documentation](https://coreos.github.io/zincati/usage/updates-strategy/).
6. The docker-compose-updater.service in `/etc/systemd/system` can be enabled to have automatic updates for your containers created by Docker Compose. Please make sure that the `WorkingDirectory` is appropriate. 6. The docker-compose-updater.service in `/etc/systemd/system` can be enabled to have automatic updates for your containers created by Docker Compose. Please make sure that the `WorkingDirectory` is appropriate.
# Upgrading from Fedora CoreOS 39 to 40
I am aware of a dependency issue which may cause the system to not automatically update itself to FCOS 40. To fix the problem, run:
```
systemctl stop zincati
rpm-ostree override reset clevis tpm2-tools tpm2-tss-fapi
rpm-ostree upgrade
rpm-ostree override remove clevis tpm2-tools tpm2-tss-fapi clevis-pin-tpm2
reboot
```