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Asked: 2015-10-31 01:28:56 +0800 CST

EXTLINUX warns to install grub

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While doing apt-get dist-upgrade on a Debian GNU/Linux Jessie EXTLINUX warned me that now was mandatory to install grub.

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The system was installed after an image not done by me: is it safe to ignore the warning? Have I to install grub also if now it's not installed and everything works (until I reboot, maybe)?

Can you please give me pointers?

debian

2 Answers

  1. Best Answer

    Your system won't boot anymore, since EXTLINUX config won't be updated.

    Install grub and tell him where to install its boot loader.

    apt-get install grub-pc

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  2. I also experienced this while upgrading Debian Wheezy to Debian Jessie on a VPS. The solution was to keep the old version of extlinux. Source: http://shallowsky.com/blog/linux/install/extlinux-on-jessie.html

    Hold the old extlinux:

    echo "extlinux hold" | dpkg --set-selections

    Then upgrade:

    apt update
apt upgrade
apt dist-upgrade

    Reboot should still work.

    If you do a kernel update, as far as I understand, you should update the extlinux config manually. See this question: Kernel upgrade with EXTLINUX on Debian

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