On 28/02/07, David Pashley <[EMAIL PROTECTED]> wrote: > On Feb 28, 2007 at 11:24, Andrew Black (delete obvious bit) praised the > llamas by saying: > I've naver had a machine that had grub on it to be unbootable. Grub > nicely has a command line that allows you to fix everything if you get > the config file wrong
Oh I've had an unbootable machine many times, but always by formatting/deleting the partition that the Grub menu was on. ;-) It's a bit tricky to fix from the Live CD, too, involving mounting and chrooting and mounting some more, so I don't recommend it. > > If find the file created by debian/ ubuntu really hard to understand. I am > > not sure whether the issue is > > - the file is complicated per se > > - the version created by the installer is too general/ complex > > The file is autogenerated from your kernels and some options you > specify using the update-grub script. You only need to worry about the > kopts line usually. Andrew, you can create a simple-to-understand file quite easily, by deleting all the commented lines. As others have pointed out though, make sure you have a backup copy first, or updating kernels automatically won't install them in the Grub menu properly (I think - never tried it). After you've deleted all the comments, the remaining syntax is fairly simple. The comments are some Debian magic that is used by the update-grub script (which is also used when trying dpkg --reconfigure grub, IIRC). As David pointed out, hacking the file won't result in an unbootable machine - maybe deleting the file would... HTH Hwyl, Neil. -- ubuntu-uk@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk https://wiki.kubuntu.org/UKTeam/