Comment 8 for bug 1945225

So with regards to MAAS, if you wish to apply the link file, I'd second adding a commissioning script that writes the file and executes early enough in the commissioning process (scripts execute in the order of their names, i.e 40-my-script will execute before 50-my-other-script). You can then also select whether to apply this to all machines or specific machines. Alternatively, you can add custom preseed configuration (https://maas.io/docs/snap/3.1/ui/how-to-customise-machines#heading--about-pre-seeding) to write the link file as well, this way you can explicitly control when the file is written and it'll write the file for all commissions. Though the kernel parameter option is probably the simplest one from a MAAS perspective.