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docs/website: update prerequisites

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Gabriel Arazas 2024-11-17 13:11:15 +08:00
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docs/website/content/en/02-lay-of-the-land/01-prerequisites/index.adoc
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@ -50,3 +50,22 @@ It has some things needed in the first place to work like my external backup set
You can see more details from xref:../05-what-should-not-be-here/index.adoc[What should not be here?]. You can see more details from xref:../05-what-should-not-be-here/index.adoc[What should not be here?].
Nonetheless, the parts is it isn't reproducible is only about 10% of this config. Nonetheless, the parts is it isn't reproducible is only about 10% of this config.
Everything else is fine and dandy and can be deployed successfully (but not used as intended). Everything else is fine and dandy and can be deployed successfully (but not used as intended).
[appendix]
[#installing-with-a-persistent-nixos-installer]
== Installing with a persistent NixOS installer
In some cases such as my main desktop configuration, it may be impossible to install it with a typical installer image like the official ISO.
This is because the typical installer environment boots on a 2GB tmpfs which should be enough for most environments.
Buuuuuut several of my NixOS configurations are not that, they basically contain at least 24GB of shenanigans and the collective build files resulting from it is simply not enough in a little 2GB tmpfs and most likely creates a system crash.
For this reason, it is very recommended to create an installer environment with a persistent live installer.
To do so, simply partition your storage device (e.g., a flash drive, external hard drive) of at least >=64GB.
Then, you'll have to install a NixOS system in the partition with `graphical-installer` NixOS configuration found in the project flake.
As widespread throughout the project, you can use disko to install the system in a one-liner.
[source, shell, subs=attributes]
----
disko --mode disko [--arg disk "/dev/sda"] --flake {canonical_flake_url}#external-hdd && nixos-install --no-root-passwd --root /mnt --flake {canonical_flake_url}#graphical-installer-x86_64-linux
----