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mark4
n00b
Joined: 26 Feb 2011
Posts: 73
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 Posted: Tue Mar 18, 2025 5:42 am Post subject: Genkernel filling up /boot with cruft |
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When I rebuild a kernel with genkernel how do i configure it to not make backups of the old kernel of the same version? This is literally filling up my /boot because kernels are getting too big to have that many in there.
I specifically made room for TWO kernel versions and i never want two of the same version. How do I disable this? I cant see anything in genkernel.conf |
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mark4
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Joined: 26 Feb 2011
Posts: 73
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| Posted: Tue Mar 18, 2025 4:46 pm Post subject: |
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Is Installkernel an alternative to genkernel? I have been using genkernel since the dawn of genkernel and i really dont like to switch tools without a real reason, for example. I still use etc-update exclusively lol!
IMHO, Genkernel should not be automagically cluttering up /boot without it being optionable, not everyone has 2349 TB in /boot. It never used to do this and I really dont like it - it means i have to run genkernel in one terminal, open another, cd into /boot and rm -f *.old or else there wont be room.
How do I post a request for this to be a config item in genkernel.conf?
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Hu
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Joined: 06 Mar 2007
Posts: 23218
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| Posted: Tue Mar 18, 2025 5:11 pm Post subject: |
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| No, installkernel is not an alternative to genkernel. The installkernel package is used when installing kernels from any of several techniques. |
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mark4
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Joined: 26 Feb 2011
Posts: 73
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| Posted: Tue Mar 18, 2025 6:39 pm Post subject: |
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| Hu wrote: | | No, installkernel is not an alternative to genkernel. The installkernel package is used when installing kernels from any of several techniques. |
Installed that package with the systemd use flag enabled (i use systemd not openrc). did two genkernels in a row because it was a new kernel. .old backups were still generated. This is being done by genkernel itself. This needs to have a switch in genkernel.conf - where do I post a feature request? |
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John R. Graham
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Joined: 08 Mar 2005
Posts: 10754
Location: Somewhere over Atlanta, Georgia
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| Posted: Tue Mar 18, 2025 9:19 pm Post subject: |
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| mark4 wrote: | | ...This is being done by genkernel itself. |
Well, yes it is, but this is also the way that the manual kernel build "make install" behaves. So genkernel is mimicking the standard process.
| mark4 wrote: | | ... This needs to have a switch in genkernel.conf - where do I post a feature request? |
That would be at bugs.gentoo.org, but two caveats for you:- genkernel is almost deprecated at this point so don't expect a quick response.
- I'm all for sharp tools, or at least the configuration options to make them sharper / safer, but is it really such a big deal to make your /boot partition a little larger? It would still be a small percentage of your total space—and it would potentially provide a small additional amount of robustness.
- John
P.S.: I actually refactored that code long ago. If you want to take a crack at it yourself, take a look at the copy_image_with_preserve() function in /usr/share/genkernel/gen_funcs.sh. Bug reports with solutions typically get a lot faster response. 
Edit: Corrected one really egregious typo. Thanks, Hu.
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Last edited by John R. Graham on Wed Mar 19, 2025 1:35 am; edited 2 times in total |
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Hu
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| Posted: Tue Mar 18, 2025 10:09 pm Post subject: |
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As a minor point: | John R. Graham wrote: | - Gentoo is almost deprecated at this point so don't expect a quick response.
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I think this was meant to be genkernel, not Gentoo. I have previously seen mention that genkernel is on its way out. Gentoo, on the other hand, has been dying for 20 years and still seems fine and ready to go for a walk. |
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John R. Graham
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Joined: 08 Mar 2005
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Location: Somewhere over Atlanta, Georgia
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| Posted: Wed Mar 19, 2025 1:34 am Post subject: |
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Wow. Yes. Feel free to edit such an obvious typo in the future as soon as you see it.
- John
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I can confirm that I have received between 0 and 499 National Security Letters. |
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mark4
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Joined: 26 Feb 2011
Posts: 73
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| Posted: Wed Mar 19, 2025 1:38 am Post subject: |
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| John R. Graham wrote: | Wow. Yes. Feel free to edit such an obvious typo in the future as soon as you see it.
- John |
I know gentoo itself is not deprected, the intent of the message was not lost :)
<3 |
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sMueggli
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Joined: 03 Sep 2022
Posts: 568
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| Posted: Wed Mar 19, 2025 9:28 am Post subject: |
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| Why are you using a separate /boot-partition? In many cases it is not needed. |
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