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Alternatives to RancherOS?
(lemm.ee)
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this post was submitted on 26 Sep 2023
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Hello again! I am trying Flatcar, and I really like the concept. I had not used immutable distros before. I have a question: How can I apply changes to the configuration? I have a YAML file with the butane config and transpile it to a JSON file with the ignition configuration. How do I apply that new configuration? Do I have to delete the VM and start over again, or is there a way to update it inside the VM? I looked around in the official docs, but did not find anything :(
I am not using it with immutable config, so the only thing flatcar is doing is it has an A and a B partition for
/usrthat it switches between on updates (such that it can always rollback to the last working system).I only used ignition for the initial setup, after that I just ssh in to the machine and change systemd services via /etc/systemd/system (such as added new mounts, using systemd unit's for running docker containers etc.)
Adding a user is initially done: https://www.flatcar.org/docs/latest/setup/customization/adding-users/
The idea is that all software you need to run except for systemd and some utilities (more or less what is in busybox) are run in containers, which i think was the same deal with RancerOS.
Gotcha. Thanks!