On Mon, Aug 28, 2023 at 11:29 PM Michael D. Setzer II via users
<users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> On 28 Aug 2023 at 18:37, ToddAndMargo via users wrote:
> [...]
> >
> > Fedora 38
> >
> > I got stuff all the way back to fc31.
> >
> > Can I delete all the non fc38 directories?
>
> Can't say sure, but what I have done on my machines.
> I generally use /lib/modules that is link t /usr/lib/modules.
>
> Generally found that only 3 of the directories are actually valid
> linked to the 3 latest kernels. The other ones are generally much
> smaller and just left offer stuff that somehow stopped the
> automatic removal from working.
>
> Have a script cleanmodules2
> #!/bin/bash
> x=$(du . -d 1 | sort -n|grep -v "[0-9][0-9][0-9][0-9][0-9][0-9]" | cut -s
> -f2 -d/)
> for a in $x; do
> echo "$a";
> rm ./"$a"/* -f -r;
> rmdir "$a";
> done
>
> But would recommend running it without the rm and rmdir lines to
> make sure it isn't going to remove anything that is valid first.
>
> Example of results I get. Current directory is already clean so
> nothing removed.
>
> du . -d 1 | sort -n
>
> 128640 ./6.4.11-100.fc37.x86_64
> 128652 ./6.4.12-100.fc37.x86_64
> 128668 ./6.4.10-100.fc37.x86_64
> 385968 .
>
> Generally old directories would have sizes smaller that 6 digits,
> grep -v "[0-9][0-9][0-9][0-9][0-9][0-9]" filters out all directories
> with 6 digits or more for size.
> cut -s elimanates the last line that doesn't have a second field after
> the /
>
> The loop then processes each of the resulting directories to remove
> the files and then remove directory.
>
> That has worked for me, but you setup might be different.
> Might be way to validate against kernel files in /boot or entries in
> /boot/local/entries but this works for me.
>
> getting the ones to keep
> ls -1 /boot | grep vmlinuz | grep -v rescue |cut -b9-100
> or
> ls -1 /boot/loader/entries/ | grep x86_64 | cut -f2,3 -d- | sed
> 's/.conf//g'
>
> Both give me
> 6.4.10-100.fc37.x86_64
> 6.4.11-100.fc37.x86_64
> 6.4.12-100.fc37.x86_64
>
> Would have to think about how to have it delete everything but
> thoses??
`du -sh` shows in human readable:
$ du -sh /lib/modules/*
4.0K /lib/modules/6.2.13-300.fc38.x86_64
4.0K /lib/modules/6.2.14-300.fc38.x86_64
4.0K /lib/modules/6.2.15-300.fc38.x86_64
4.0K /lib/modules/6.3.11-200.fc38.x86_64
4.0K /lib/modules/6.3.12-200.fc38.x86_64
4.0K /lib/modules/6.3.4-201.fc38.x86_64
4.0K /lib/modules/6.3.5-200.fc38.x86_64
4.0K /lib/modules/6.3.6-200.fc38.x86_64
4.0K /lib/modules/6.3.7-200.fc38.x86_64
4.0K /lib/modules/6.3.8-200.fc38.x86_64
126M /lib/modules/6.4.10-200.fc38.x86_64
126M /lib/modules/6.4.11-200.fc38.x86_64
126M /lib/modules/6.4.12-200.fc38.x86_64
Switch to `-m`, for size in MB:
$ du -sm /lib/modules/*
1 /lib/modules/6.2.13-300.fc38.x86_64
1 /lib/modules/6.2.14-300.fc38.x86_64
1 /lib/modules/6.2.15-300.fc38.x86_64
1 /lib/modules/6.3.11-200.fc38.x86_64
1 /lib/modules/6.3.12-200.fc38.x86_64
1 /lib/modules/6.3.4-201.fc38.x86_64
1 /lib/modules/6.3.5-200.fc38.x86_64
1 /lib/modules/6.3.6-200.fc38.x86_64
1 /lib/modules/6.3.7-200.fc38.x86_64
1 /lib/modules/6.3.8-200.fc38.x86_64
126 /lib/modules/6.4.10-200.fc38.x86_64
126 /lib/modules/6.4.11-200.fc38.x86_64
126 /lib/modules/6.4.12-200.fc38.x86_64
Then, pipe to `awk` for a list of targets:
$ du -sm /lib/modules/* | awk '$1 < 10 { print $2 }'
/lib/modules/6.2.13-300.fc38.x86_64
/lib/modules/6.2.14-300.fc38.x86_64
/lib/modules/6.2.15-300.fc38.x86_64
/lib/modules/6.3.11-200.fc38.x86_64
/lib/modules/6.3.12-200.fc38.x86_64
/lib/modules/6.3.4-201.fc38.x86_64
/lib/modules/6.3.5-200.fc38.x86_64
/lib/modules/6.3.6-200.fc38.x86_64
/lib/modules/6.3.7-200.fc38.x86_64
/lib/modules/6.3.8-200.fc38.x86_64
Jeff
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