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Cake day: March 28th, 2024

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  • Its already in your word. Proportional. A proportional control, or P control (generally, a PID with the K_I and K_D set to 0)

    Alright some edit as I will try to explain my answer. Say for example a value ‘x’ is > 0 and < 100 (so, 0 < x < 100). In this case, the point that you wanted to reach is 100, such that x is always getting bigger and closer to 100 (x->100). If you subtract x from 100, you get the remaining, call it ‘y’, that you need to add to get to 100 (y=100-x). So now, the rate of change must be proportional to that number. I.e., as x gets closer to 100, y will get smaller. How much faster is determined by a proportionality constant, that can be called K_P.


  • Easy or not depends vary wildly. But the usual task is

    • partition the drive
    • format the drive
    • mount the drive
    • install the base system

    That is the bare minimum, but we need to do more configuration to be able to boot. Hence the next task is configuring the following

    • fstab
    • timezone, hostname, and networking
    • boot loader (I just use the EFI directly nowadays)

    That is it. Everything else is usually work specific. Like, if you wanted arch to be a server, you usually didn’t install a GUI. For workstation and gaming, you need more steps but it will vary depending on hardware. The archwiki covers a good deal of hardware from laptop to desktop and their quirks.