Re: Whole lot of dir's in /lib/modules - can I delete them?

On 4/26/26 9:17 PM, William Kenworthy wrote:
> On 27/4/26 03:35, Michael wrote:
>> On Sunday, 26 April 2026 18:10:10 British Summer Time
>> [email protected] wrote:
>>> On 4/27/26 12:10 AM, Michael wrote:
>>>> On Sunday, 26 April 2026 16:52:30 British Summer Time
>>>>
>>>> [email protected] wrote:
>>>>> Dear all,
>>> [snip]
>>>
>>>>> Andrew
>>>> Whenever you build a kernel with various options built as modules
>>>> [M], as opposed to building them in-kernel [*], the compiled
>>>> modules are stored under /lib/modules/.
>>>>
>>>> You can find all available modules of your current kernel with:
>>>>
>>>> find /lib/modules/$(uname -r) -type f -name '*.ko*'
>>>>
>>>> If you have cleared out old kernel images and initramfs files from
>>>> your /efi/ or /boot/, then you have no use for their old module
>>>> files hanging around in your /lib/modules/ and you can safely
>>>> delete them manually to recover disk space.
>>> Thanks Michael, that's what I though. I've been using the prebuilt
>>> kernel, "-bin" for a while hence a whole lot of modules but have to
>>> get back to my own build which usually has stuff all built-in. And
>>> yes, I have been deleting stuff in /efi/EFI/Gentoo but didn't think
>>> of /lib/modules.
>>>
>>> 	Thanks,
>>> 		Andrew
>> I tend to keep two or three previous kernels and their modules on my
>> system at a time, just in case something goes wrong with the current
>> kernel release.  I must admit I only had to revert to previous kernels
>> rarely, because of bugs or a corrupt fs, so this is not a regular
>> occurrence.  With disk space being relatively cheap it doesn't hurt to
>> keep a the last couple of kernels and their modules, just in case.
> Also there is /etc/kernels to manage, and I usually copy the matching
> /boot to /lib/modules to keep a copy handy after a couple of disasters -
> also ensures they are backed up.
>
> BillK

What is /etc/kernels?  I don't have that here.  Link to a doc or 
something maybe?

Thanks.

Dale

:-)  :-)