do i have to unmerge old kernels?

[padoor]

localhost ~ # eix gentoo-sources
[D] sys-kernel/gentoo-sources
Available versions:
(2.6.16-r13) 2.6.16-r13
(2.6.19-r5) 2.6.19-r5
(2.6.19-r7) 2.6.19-r7
(2.6.20-r10) 2.6.20-r10
(2.6.21-r4) 2.6.21-r4
(2.6.22) 2.6.22
(2.6.22-r1) 2.6.22-r1
(2.6.22-r2) 2.6.22-r2
(2.6.22-r3) 2.6.22-r3
(2.6.22-r4) 2.6.22-r4
(2.6.22-r5) 2.6.22-r5
(2.6.22-r6) 2.6.22-r6
(2.6.22-r7) 2.6.22-r7
(2.6.22-r 2.6.22-r8
{build symlink ultra1}
Installed versions: 2.6.20-r4(2.6.20-r4)(17:26:46 04/23/07)(-build -symlink)
2.6.21(2.6.21)(00:12:55 05/08/07)(-build -symlink)
2.6.21-r1(2.6.21-r1)(15:44:50 05/21/07)(-build -symlink)
2.6.21-r2(2.6.21-r2)(13:43:00 05/28/07)(-build -symlink)
2.6.21-r3(2.6.21-r3)(23:25:54 06/12/07)(-build -symlink)
2.6.21-r4(2.6.21-r4)(15:35:31 07/09/07)(-build -symlink)
2.6.22(2.6.22)(14:18:47 07/10/07)(-build -symlink)
2.6.22-r1(2.6.22-r1)(10:35:54 07/13/07)(-build -symlink)
2.6.22-r2(2.6.22-r2)(06:10:15 07/30/07)(-build -symlink)
2.6.22-r3(2.6.22-r3)(18:40:42 08/16/07)(-build -symlink)
2.6.22-r4(2.6.22-r4)(10:35:31 08/17/07)(-build -symlink)
2.6.22-r5(2.6.22-r5)(13:22:46 08/23/07)(-build -symlink)
2.6.22-r6(2.6.22-r6)(07:38:59 09/02/07)(-build -symlink)
2.6.22-r7(2.6.22-r7)(08:00:38 09/26/07)(-build -symlink)
2.6.22-r8(2.6.22-r(07:50:04 09/29/07)(-build -symlink)
Homepage: http://dev.gentoo.org/~dsd/genpatches
Description: Full sources including the Gentoo patchset for the 2.6 kernel tree

localhost ~ #

localhost ~ # dir /boot
boot kernel-2.6.21-gentoo-r2 kernel-2.6.22-gentoo-r8
localhost ~ #

to save space i removed the folders of not used kernels but still world thinks i have all above kernels.

how do i remove the entries of not existing sources?

localhost ~ # eselect kernel list
Available kernel symlink targets:
[1] linux-2.6.21-gentoo-r2
[2] linux-2.6.22-gentoo-r7
[3] linux-2.6.22-gentoo-r8 *
localhost ~ #


this is the current kernels list.
_________________
reach out a little bit more to catch it (DON'T BELIEVE the advocate part under my user name)

[desultory]

Instead of manually deleting unused kernel source trees, uninstall them as you would any other package.

[padoor]

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--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/HOWTO
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/z8530book.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/writing_usb_driver.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/wanbook.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/videobook.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/usb.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/stylesheet.xsl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/rapidio.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/procfs_example.c
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/procfs-guide.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/mtdnand.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/mcabook.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/man/Makefile
--- !found dir /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/man
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/lsm.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/librs.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/libata.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/kernel-locking.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/kernel-hacking.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/kernel-api.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/genericirq.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/gadget.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/filesystems.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/deviceiobook.tmpl
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/Makefile
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DocBook/.gitignore
--- !found dir /usr/src/linux-2.6.21-gentoo/Documentation/DocBook
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DMA-mapping.txt
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DMA-ISA-LPC.txt
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/DMA-API.txt
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/CodingStyle
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/Changes
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/BUG-HUNTING
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/ABI/testing/sysfs-power
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/ABI/testing/sysfs-devices
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/ABI/testing/sysfs-class-pktcdvd
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/ABI/testing/sysfs-class
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/ABI/testing/debugfs-pktcdvd
--- !found dir /usr/src/linux-2.6.21-gentoo/Documentation/ABI/testing
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/ABI/stable/sysfs-module
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/ABI/stable/syscalls
--- !found dir /usr/src/linux-2.6.21-gentoo/Documentation/ABI/stable
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/ABI/removed/devfs
--- !found dir /usr/src/linux-2.6.21-gentoo/Documentation/ABI/removed
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/ABI/obsolete/dv1394
--- !found dir /usr/src/linux-2.6.21-gentoo/Documentation/ABI/obsolete
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/ABI/README
--- !found dir /usr/src/linux-2.6.21-gentoo/Documentation/ABI
--- !found obj /usr/src/linux-2.6.21-gentoo/Documentation/00-INDEX
--- !found dir /usr/src/linux-2.6.21-gentoo/Documentation
--- !found obj /usr/src/linux-2.6.21-gentoo/CREDITS
--- !found obj /usr/src/linux-2.6.21-gentoo/COPYING
--- !found obj /usr/src/linux-2.6.21-gentoo/.mailmap
--- !found obj /usr/src/linux-2.6.21-gentoo/.gitignore
--- !found dir /usr/src/linux-2.6.21-gentoo
--- !empty dir /usr/src
--- !empty dir /usr
* GNU info directory index is up-to-date.
localhost ~ #

even after i removed the relevant folders in /usr/src/
emerge -C gentoo-sources-2.6.21 removed so many files

same for other old kernels it shows.
looks like i will save some more space


what worries me is the last 2 lines of the unmerge
--- !empty dir /usr/src
--- !empty dir /usr

does it really empty the /usr/src and /usr ??
then how my system will work ?

the current localhost ~ # dir /usr/src
linux linux-2.6.21-gentoo-r2 linux-2.6.22-gentoo-r7 linux-2.6.22-gentoo-r8
localhost ~ # is this.
then from where it gets files to delete?
_________________
reach out a little bit more to catch it (DON'T BELIEVE the advocate part under my user name)

[desultory]

Why post that list of absent files? You had already indicated that they had been deleted.

[padoor]

mmm i see
then actual removal of folder in /usr/src/ does not harm the system looks like.
tahnks desultory

another interesting part i see is
<<< dir /usr/src/linux-2.6.22-gentoo-r7/Documentation
--- !empty dir /usr/src/linux-2.6.22-gentoo-r7
--- !empty dir /usr/src
--- !empty dir /usr
* GNU info directory index is up-to-date.

localhost ~ # dir /usr/src
linux linux-2.6.21-gentoo-r2 linux-2.6.22-gentoo-r7 linux-2.6.22-gentoo-r8
localhost ~ # dir /usr/src/linux-2.6.22-gentoo-r7
Module.symvers block drivers init lib scripts usr
System.map config fs ipc mm security vmlinux
arch crypto include kernel net sound
localhost ~ # dir /usr/src/linux-2.6.21-gentoo-r2
COPYING Makefile arch fs lib security
CREDITS Module.symvers block include mm sound
Documentation README config init net usr
Kbuild REPORTING-BUGS crypto ipc patches.txt vmlinux
MAINTAINERS System.map drivers kernel scripts
localhost ~ #

unmerging does not remove the sources folder of given kernel
_________________
reach out a little bit more to catch it (DON'T BELIEVE the advocate part under my user name)

[Hu]

The directory may stay behind if you did an in-tree build of the kernel. Unmerging the package only removes files that the package installed. If you built the kernel in the installation directory, then the build products will still exist after the sources are unmerged by Portage. If files exist, then the directory structure is retained. You can avoid this by doing an out-of-tree build. Read about KBUILD_OUTPUT for more details. There are a few hints in the /usr/src/linux/Makefile.

[padoor]

Hu

yes it gives some informations about folders.
thanks

edit

i have not emerged any out of portage tree kernels.
only i have a acceptkeyword line in my /etc/make.conf.
so i ahve keyword masked kernel also installed.
anyway i have saved about 1gb of space from removing unused kernels.
_________________
reach out a little bit more to catch it (DON'T BELIEVE the advocate part under my user name)

[juniper]

you can safely remove /lib/modules/KERNEL for the kernels you are no longer using. that won't save you much space, but it sounds like your /lib/modules may have a lot of kernels in it. removing old kernel modules will make it a little cleaner.

[padoor]

/lib/modules/kernel has only 2.6.18.8.tex5 and its subfolders
i am currently using 2.6.21.r2 and 2.6.22.r8 only.
rest of the kernels i have unmerged and removed the folders in src.
i dont see why this 2.6.18 kernel is sitting in /lib/modules/kernel.
what about modules of current two kernels?
_________________
reach out a little bit more to catch it (DON'T BELIEVE the advocate part under my user name)

[michel7]

emerge -P gentoo-sources
_________________
Software is like sex. It's better when it's free

[desultory]

[padoor]

yes i have to keep the current kernel sources, and modules. where are the modules?
in /lib/modules they are not seen thats why the question.
the kernel modules of 2.6.18.8.tax5 can i remove?
rm -rf /lib/modules/kernel ?
_________________
reach out a little bit more to catch it (DON'T BELIEVE the advocate part under my user name)

[ffwd]

"emerge -P gentoo-sources" would remove all of the older kernels retaining the latest

if you want to remove them one by one, use "emerge -C =sys-kernel/gentoo-sources-2.6.21-r2" as example, or "emerge -C <=sys-kernel/gentoo-sources-2.6.22" for all lower than 2.6.22.

there are some things you will have to remove manually:
remains of compiled sources in /usr/src
kernel modules in /lib/modules
kernels in /boot

[Neo2]

Usually I hate to leave behind things when updating, so every time I update the kernel I do:

[juniper]