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Thread: boot

  1. May 18th, 2013 #11
    Paqman
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    Re: boot

    You also might want to decide if you need to have /boot on a separate partition at all. It's normally only necessary if you are using some unusual filesystem or disk configuration for the rest of your system that the bootloader cannot itself boot. If you've not got some weird setup then having /boot on your normal root partition (as is the default setup) would be simpler and more reliable.
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  2. May 18th, 2013 #12
    matt_symes's Avatar
    matt_symes
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    Re: boot

    Hi

    If you want a one liner to remove the kernels, copy and paste this into your terminal. (Captial P below)

    Code:
    sudo dpkg -P linux-image-{,extra-}3.5.0-{17,24,25,26}-generic
    I don't understand why no headers were display with that command I posted.

    Can you post the output of

    Code:
    dpkg -l | grep linux-headers
    Kind regards
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  3. May 19th, 2013 #13
    jtbrooks101
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    Re: boot

    Code:
    jtbrooks101@jtbrooks101-HP-Pavilion-dv6-Notebook-PC:~$ sudo dpkg -P linux-image-{,extra-}3.5.0-{17,24,25,26}-generic
[sudo] password for jtbrooks101: 
(Reading database ... 162685 files and directories currently installed.)
Removing linux-image-extra-3.5.0-17-generic ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-17-generic /boot/vmlinuz-3.5.0-17-generic
update-initramfs: Deleting /boot/initrd.img-3.5.0-17-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-17-generic /boot/vmlinuz-3.5.0-17-generic
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.8.0-19-generic
Found initrd image: /boot/initrd.img-3.8.0-19-generic
Found linux image: /boot/vmlinuz-3.5.0-27-generic
Found initrd image: /boot/initrd.img-3.5.0-27-generic
Found linux image: /boot/vmlinuz-3.5.0-26-generic
Found initrd image: /boot/initrd.img-3.5.0-26-generic
Found linux image: /boot/vmlinuz-3.5.0-25-generic
Found initrd image: /boot/initrd.img-3.5.0-25-generic
Found linux image: /boot/vmlinuz-3.5.0-24-generic
Found initrd image: /boot/initrd.img-3.5.0-24-generic
Found linux image: /boot/vmlinuz-3.5.0-17-generic
Found memtest86+ image: /memtest86+.bin
done
Purging configuration files for linux-image-extra-3.5.0-17-generic ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-17-generic /boot/vmlinuz-3.5.0-17-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-17-generic /boot/vmlinuz-3.5.0-17-generic
Removing linux-image-extra-3.5.0-24-generic ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-24-generic /boot/vmlinuz-3.5.0-24-generic
update-initramfs: Deleting /boot/initrd.img-3.5.0-24-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-24-generic /boot/vmlinuz-3.5.0-24-generic
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.8.0-19-generic
Found initrd image: /boot/initrd.img-3.8.0-19-generic
Found linux image: /boot/vmlinuz-3.5.0-27-generic
Found initrd image: /boot/initrd.img-3.5.0-27-generic
Found linux image: /boot/vmlinuz-3.5.0-26-generic
Found initrd image: /boot/initrd.img-3.5.0-26-generic
Found linux image: /boot/vmlinuz-3.5.0-25-generic
Found initrd image: /boot/initrd.img-3.5.0-25-generic
Found linux image: /boot/vmlinuz-3.5.0-24-generic
Found linux image: /boot/vmlinuz-3.5.0-17-generic
Found memtest86+ image: /memtest86+.bin
done
Purging configuration files for linux-image-extra-3.5.0-24-generic ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-24-generic /boot/vmlinuz-3.5.0-24-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-24-generic /boot/vmlinuz-3.5.0-24-generic
Removing linux-image-extra-3.5.0-25-generic ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-25-generic /boot/vmlinuz-3.5.0-25-generic
update-initramfs: Deleting /boot/initrd.img-3.5.0-25-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-25-generic /boot/vmlinuz-3.5.0-25-generic
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.8.0-19-generic
Found initrd image: /boot/initrd.img-3.8.0-19-generic
Found linux image: /boot/vmlinuz-3.5.0-27-generic
Found initrd image: /boot/initrd.img-3.5.0-27-generic
Found linux image: /boot/vmlinuz-3.5.0-26-generic
Found initrd image: /boot/initrd.img-3.5.0-26-generic
Found linux image: /boot/vmlinuz-3.5.0-25-generic
Found linux image: /boot/vmlinuz-3.5.0-24-generic
Found linux image: /boot/vmlinuz-3.5.0-17-generic
Found memtest86+ image: /memtest86+.bin
done
Purging configuration files for linux-image-extra-3.5.0-25-generic ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-25-generic /boot/vmlinuz-3.5.0-25-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-25-generic /boot/vmlinuz-3.5.0-25-generic
Removing linux-image-extra-3.5.0-26-generic ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-26-generic /boot/vmlinuz-3.5.0-26-generic
update-initramfs: Deleting /boot/initrd.img-3.5.0-26-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-26-generic /boot/vmlinuz-3.5.0-26-generic
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.8.0-19-generic
Found initrd image: /boot/initrd.img-3.8.0-19-generic
Found linux image: /boot/vmlinuz-3.5.0-27-generic
Found initrd image: /boot/initrd.img-3.5.0-27-generic
Found linux image: /boot/vmlinuz-3.5.0-26-generic
Found linux image: /boot/vmlinuz-3.5.0-25-generic
Found linux image: /boot/vmlinuz-3.5.0-24-generic
Found linux image: /boot/vmlinuz-3.5.0-17-generic
Found memtest86+ image: /memtest86+.bin
done
Purging configuration files for linux-image-extra-3.5.0-26-generic ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-26-generic /boot/vmlinuz-3.5.0-26-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-26-generic /boot/vmlinuz-3.5.0-26-generic
Removing linux-image-3.5.0-17-generic ...
Examining /etc/kernel/prerm.d.
run-parts: executing /etc/kernel/prerm.d/dkms 3.5.0-17-generic /boot/vmlinuz-3.5.0-17-generic
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-17-generic /boot/vmlinuz-3.5.0-17-generic
update-initramfs: Deleting /boot/initrd.img-3.5.0-17-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-17-generic /boot/vmlinuz-3.5.0-17-generic
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.8.0-19-generic
Found initrd image: /boot/initrd.img-3.8.0-19-generic
Found linux image: /boot/vmlinuz-3.5.0-27-generic
Found initrd image: /boot/initrd.img-3.5.0-27-generic
Found linux image: /boot/vmlinuz-3.5.0-26-generic
Found linux image: /boot/vmlinuz-3.5.0-25-generic
Found linux image: /boot/vmlinuz-3.5.0-24-generic
Found memtest86+ image: /memtest86+.bin
done
Purging configuration files for linux-image-3.5.0-17-generic ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-17-generic /boot/vmlinuz-3.5.0-17-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-17-generic /boot/vmlinuz-3.5.0-17-generic
Removing linux-image-3.5.0-24-generic ...
Examining /etc/kernel/prerm.d.
run-parts: executing /etc/kernel/prerm.d/dkms 3.5.0-24-generic /boot/vmlinuz-3.5.0-24-generic
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-24-generic /boot/vmlinuz-3.5.0-24-generic
update-initramfs: Deleting /boot/initrd.img-3.5.0-24-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-24-generic /boot/vmlinuz-3.5.0-24-generic
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.8.0-19-generic
Found initrd image: /boot/initrd.img-3.8.0-19-generic
Found linux image: /boot/vmlinuz-3.5.0-27-generic
Found initrd image: /boot/initrd.img-3.5.0-27-generic
Found linux image: /boot/vmlinuz-3.5.0-26-generic
Found linux image: /boot/vmlinuz-3.5.0-25-generic
Found memtest86+ image: /memtest86+.bin
done
Purging configuration files for linux-image-3.5.0-24-generic ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-24-generic /boot/vmlinuz-3.5.0-24-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-24-generic /boot/vmlinuz-3.5.0-24-generic
Removing linux-image-3.5.0-25-generic ...
Examining /etc/kernel/prerm.d.
run-parts: executing /etc/kernel/prerm.d/dkms 3.5.0-25-generic /boot/vmlinuz-3.5.0-25-generic
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-25-generic /boot/vmlinuz-3.5.0-25-generic
update-initramfs: Deleting /boot/initrd.img-3.5.0-25-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-25-generic /boot/vmlinuz-3.5.0-25-generic
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.8.0-19-generic
Found initrd image: /boot/initrd.img-3.8.0-19-generic
Found linux image: /boot/vmlinuz-3.5.0-27-generic
Found initrd image: /boot/initrd.img-3.5.0-27-generic
Found linux image: /boot/vmlinuz-3.5.0-26-generic
Found memtest86+ image: /memtest86+.bin
done
Purging configuration files for linux-image-3.5.0-25-generic ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-25-generic /boot/vmlinuz-3.5.0-25-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-25-generic /boot/vmlinuz-3.5.0-25-generic
Removing linux-image-3.5.0-26-generic ...
Examining /etc/kernel/prerm.d.
run-parts: executing /etc/kernel/prerm.d/dkms 3.5.0-26-generic /boot/vmlinuz-3.5.0-26-generic
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-26-generic /boot/vmlinuz-3.5.0-26-generic
update-initramfs: Deleting /boot/initrd.img-3.5.0-26-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-26-generic /boot/vmlinuz-3.5.0-26-generic
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.8.0-19-generic
Found initrd image: /boot/initrd.img-3.8.0-19-generic
Found linux image: /boot/vmlinuz-3.5.0-27-generic
Found initrd image: /boot/initrd.img-3.5.0-27-generic
Found memtest86+ image: /memtest86+.bin
done
Purging configuration files for linux-image-3.5.0-26-generic ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.5.0-26-generic /boot/vmlinuz-3.5.0-26-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.5.0-26-generic /boot/vmlinuz-3.5.0-26-generic
    Last edited by matt_symes; May 19th, 2013 at 01:48 PM. Reason: Added code tags.
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  4. May 19th, 2013 #14
    matt_symes's Avatar
    matt_symes
    matt_symes is offline I'm back baby.
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    Re: boot

    Hi

    That looks fine to me. It looks like you have two kernels installed now and that is generally accepted as good practice.

    You can double check by running this command again and looking to the numbers next to linux-image and linux-image-extra.

    Code:
    dpkg -l | grep -E linux-"headers-|image-"
    You can also look in your boot partition again.

    Code:
    ls -l /boot
    Also, to check disk space

    Code:
    df -h
    Kind regards
    If you believe everything you read, you better not read. ~ Japanese Proverb

    If you don't read the newspaper, you're uninformed. If you read the newspaper, you're mis-informed. - Mark Twain

    Thinking about becoming an Ubuntu Member?
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  5. May 19th, 2013 #15
    ajgreeny's Avatar
    ajgreeny
    ajgreeny is offline Xubuntu from dawn to dusk and beyond
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    Re: boot

    A quick and good way to see how many kernels you have installed and showing in the grub menu, even if you don't normally see that menu is to run
    Code:
    grep "menuentry " /boot/grub/grub.cfg | cut -c 1-100
    Code-tags --- Boot-Repair --- Grub2 wiki & Grub2 Basics --- RootSudo --- Wireless-Info --- SolvedThreads --- System-Info-Script
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