this post was submitted on 16 Jun 2023
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I have been using a nixos build as my daily non work driver for a while now. As a DevOps guy, I appreciate the define once, build almost anywhere nature. When it is time to upgrade the laptop, just copy over the config and run. Then move over my personal data.
I know its not the same thing, but you can do that with ansible. I started building playbooks that do exactly that. I review/refresh the playbooks every couple of months, but I've tested it on VMs and its literally a curl command of a script I host on nextcloud. Then it runs that, installs ansible and does its thing.
There is a huge difference in the result. With NixOS you run a immutable system where ths main configuration is built during the startup and not editable during the run.
With Ansible you can generate the configuration as well for every run though. But in most cases you will write hard config files.