Hello,

You wrote:
You are not copying the config to the correct location

Can you please tell what is wrong with:
cp .config configs/kernel-`uname -r`.config

Regarding kernel version: Should I use kernel-4.18.0-193.28.1.el8_2.src.rpm which is the newest for 8.2 ?

Thank you,
Zvika

Again: READ THE INSTRUCTIONS AND FOLLOW THEM.
Again: READ THE INSTRUCTIONS AND FOLLOW THEM.

Cannot say it more plainly and simply. If you don't know what version of the kernel you have or need to use, that is yet another reason for you to hire someone to do this for you. AGAIN: you have been working on this for two years, and are clearly unable to accomplish it.

AGAIN: there is nothing else we can tell you, since you are not understanding the answers. It is pointless to continue.

Hello,

I really do not understand why bother writing very long answers that do not help.

The whole point of such forums is to help מn a voluntary basis

Isn't it much simpler not answering at all ?

I guess I'm not an expert as you are.

I DID READ THE INSTRUCTIONS AND FOLLOWED THEM.

But did not get the right result.

Instead of writing insulting replies, you can specify what is wrong in my steps or not answer at all.

All the best,
Zvika

You did *NOT* read and follow the instructions; that is abundantly clear, since you didn't bother completing the prerequisites, got missing dependencies, etc. You used different commands, and have NOT followed the instructions.

We aren't going to type out the entire guide for you again; it's on the CentOS site. Either follow it or don't; there is nothing else we can tell you. Either you don't understand the instructions, or just plain won't follow them. There is NOTHING ELSE we can do, because if after **TWO YEARS** of trying to do this you still can't make progress, what do you think is going to be gained now?

uname -r returns the kernel version you are running. If that's different from the version you want to build, then that command is incorrect.

Yep...noted in the instructions the OP posted, along with installing the dependencies, etc. All things the OP claims to have done, but has not...if they had, they wouldn't have had missing dependencies, files without saved changes, etc.

Hello,

Folder configs in: ~/rpmbuild/BUILD/kernel-4.18.0-193.el8/linux-4.18.0-193.el8.x86_64
contains the file: kernel-4.18.0-x86_64.config

Now I have to copy .config into ./configs

Should I overwrite the file kernel-4.18.0-x86_64.config so it will contain the new kernel configuration ?

According to the wiki:
I changed it to:
cp .config configs/kernel-4.18.0-`uname -m`.config

The output of "uname -r" is: 4.18.0-193.el8.x86_64

Thank you,
Zvika

YES...again, do what the instructions say; they haven't changed since you first started posting. Not sure what you're not understanding.

Hello,

Before the final rpmbuild, ~/rpmbuild/SOURCES/ contains a modified: kernel-4.18.0-x86_64.config
with the new kernel configuration. This was checked several times.

After the final rpmbuild (par. 5), this file is automatically changed (not by me) so it does not contain the changes I did.

This is what I do not understand.

Thank you,
Zvika

BTW : I want to build the same kernel version as installed with the ISO of 8.2: 4.18.0-193.el8
Only change the kernel configuration.

Thank you,
Zvika

...and...
AGAIN: we understand what you want, as this is the EIGHTH TIME you've asked about it, over the span of two years.
AGAIN: restating it over and over does absolutely nothing to let anyone help you further; you are providing no new information, at all.

From post #16, you said "Regarding kernel version: Should I use kernel-4.18.0-193.28.1.el8_2.src.rpm which is the newest for 8.2 ?"....which is NOT the same one you're running, is it? Things like this are why you continue to have problems. If you want the same kernel, download the same source. Because the newest kernel was from October of last year...not the original you're running from May. Which is different.

AGAIN: you are not following the guide. That was written by CentOS, for CentOS, so there isn't much more anyone here can add to it. Since you say you're getting to step 5, I'd suggest you look carefully at step 4.
AGAIN: you were given the two parameters to enter, as well as the grub options to pass on the command line. Unless you actually follow the guide, there is no point in posting again. You *ARE NOT* following their instructions, despite your insistence that you are. This is clear because of the several things you've said and done which indicate you're not, because the results don't match what the guide says.

There is nothing more we can do to help you; I would suggest you either hire someone, or ask on the CentOS forums:
https://forums.centos.org/viewtopic.php?t=71727

Hello,

In order to change the default kernel configuration I ran the following procedure according to the wiki.

I had to do minor changes (e.g yum install required for the rpmbuild to unpack).

But after installing the new kernel, nothing was changed in the kernel configuration.
I only got a new line in the grub and the date of the kernel (/proc/version) was changed.

Can you please tell what did I do wrong ?

Thank you in advance,
Zvika

change this
to this

Yep...things that are typically done in step two.

Hello colorpurple21859,

Thank you very much for your reply. I really appreciate it.

I tried to change to:
The final rpmbuild was not completed with the following in build-err.log:
I found similar error in google but failed to understand the solution.

Best regards,
Zvika