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Old 12-04-2006, 01:23 PM   #1
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Dual-Booting Ubuntu/Slackware

Hi all,

I've installed Ubuntu and I'm trying to get Slackware on the computer as well. Ubuntu was setup flawlessly and is on the sda hard drive. I then downloaded GParted and setup a swap partition and ext3 partition for slackware. Slackware seemed to install fine, but it did not use the swap partition (I could only select the Ubuntu partition). I did not install Lilo. Now when I boot up, GRUB only sees Ubuntu and not slackware. Do I have to update GRUB so that it checks sdb (it's a different hard drive altogether)?

Thank you,

EDIT: I've recently learned that I have to update the menu.lst for GRUB. Of course, being a newbie, I have no idea what I have to add, and the example only helps slightly. I don't wanna mess it up (yes, I've created a back up), and this is what I've come up with:

title Slackware
root (hd1,0)
kernel /boot/???

I'm not sure if I got root right, but slackware is installed on the second hard drive. I'm also unsure of what to put for kernel.

Last edited by Mario87; 12-04-2006 at 01:36 PM.
Old 12-05-2006, 06:26 AM   #2
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Registered: Mar 2006
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I understand you have two partitions on sdb, one swap and then the Slack installation? Your proposed addition to menu.lst specifies the Slack installation as being on what Linux calls /dev/sdb1. Is that where it is? If you are not sure, you can check it by booting into Ubuntu and typing:

sudo fdisk -l

which will list the partitions on both disks (the option after fdisk is the letter "el"). Rather than quessing what the kernel is called, I would suggest mounting your Slack partition while Ubuntu is running and taking a look. I am not familiar with Ubuntu, but I am guessing it has a /mnt directory. You can mount the Slack partition as follows. (I am assuming it is on /dev/sdb1. If not, adjust accordingly.)

sudo mkdir /mnt/slack
sudo mount /dev/dsb1 /mnt/slack

Your Slack /boot directory will now be at /mnt/slack/boot, etc. Use the ls command to take a look around. My guess is the kernel is in the Slack /boot directory and will be called vmlinuz or something similar. Possibly with with a version number appended.

Last edited by blackhole54; 12-05-2006 at 06:28 AM.
Old 12-05-2006, 05:21 PM   #3
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Thanks for the help, I just ended up formatting everything, installing slackware first and ubuntu second. Ubuntu recognized slackware as "another Linux OS" and set it up. That's why I love Ubuntu .


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