Configuring a Custom Linux Kernel (5.6.7-gentoo)

In this video I show you how to configure a custom Linux kernel, and the options that I use in my kernel configuration

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[zyptoskid]

I can't believe I just sat there silently for a bunch of minutes watching a kernel build in real time

[BombedByMe]

I like how you didnt even notice the modules_isntall and just were like yea its done

[Returnality]

An important note: if you are using GPT you want to go into enable the block layer, then partition types, and activate advanced partition selection and EFI GUID support.

[TheRealFaceyNeck]

I haven't watched the full video yet, but I wanted to jot this down in case I forget later:
I highly recommend downloading/'installing' the Gentoo distribution kernel to start out with. It'll allow you to have a kernel that's tested by the Gentoo devs and considered to be the most versatile/less likely to cause problems. It also takes very little time to install.
Then, you can customize your kernel over-and-over-again, and if somehow it breaks, you have a fully-working and (moderately) up-to-date kernel to get back into your system easily, as well as comparing/contrasting performance/mem usage/you name it.
I'll remove this comment if I hear that it's mentioned in the video. It's my standard procedure for a new Gentoo install; emerge -av gentoo-kernel-bin and go from there.

[teslainvestah]

15:50 My advice is the opposite. When a setting concerns protection against corruption, don't turn it off just for a bit of speed you will probably never notice. Nothing disrupts your workflow like trying to troubleshoot a brick that was your primary computer yesterday.

[jojipy]

pro tip: use the -j option to specify an amount of threads

[micycle]

14:00 when I pulled up the help tab for level 5 page tabel support I started laughing at 128 PiB OF ADDR SPACE

[luigitech]

I'd like to see some benchmarks to see how much is worth the effort.

[letsplayonlinux]

This is the best Linux Kernel video tutorial, I've watched on YouTube, because you've gave an excellent detailed explanation. I' d like also to request a video tutorial on using "etc-update" and "dispatch-conf" to solve conflict packages on Gentoo. Thank you !

[maxsilvester]

A video about the experimental use flag of gentoo-sources would be good. This adds more processors to choose from and you can select "native" as the processor family, so gcc will autodetect your cpu (native is intel only for some reason)

[nonamebear]

Portage and use flags is why I chose to use gentoo, everything else was a bonus.
Thank you for explaining all the options.

[codebitcookie]

This was insanely useful, thanks for taking out your time and teaching us this

[anupdhond]

You have tremendous patience to go through and explain the features. Most people leave it at defaults. nice vid.

[DonAlcohol]

not verry important side note and i might be wrong here but it was stated in the be beginning of the video that you get "this ncurses menu that looks like this" but i believe that 'make menuconfig' uses the dialog toolkit while make nconfig uses the ncurses toolkit., some other extra options that might come in handy for certain purposes (like quickly scroll over all options to check your config for stuff you might have forgotten or missed during the actual configuration) `make MENUCONFIG_MODE=single_menu menuconfig` or `make NCONFIG_MODE=single_menu nconfig` or similar with qconfig(xconfig) makes all available options display on one single long list isntead of having to traverse multiple layers of menus

[dubbynelson]

the three stages of grief
"kexec system call"
"keyex system call"
"key sex system call"

[exitvelocity]

Great job going through this. Very common error on the make modules_install step (27:33). Error I've made is not including the underscore in modules_install. Looks very different as it begins if done correctly and should not get "make: ** no rule to make target..." error at the end. Again, great job. Only mentioning for correctness as I've certainly done this in the past.

[memertarian]

Compiling your own kernel to optimize it for your hardware are remove unnecessary features: 🤓
Compiling your own kernel to see the penguins at bootup: 😎

[mrchristoph]

Aforementioned is one of my favorite words. I'm glad you could throw it in there once.

[fahrradflucht]

How did you come up with the kernel log buffer size? Is there a rule of thumb people use?

[phrtao]

How on earth do they test all these compile options. It represents such a wide range of hardware options from a smart doorbell to a super computer of the future.