Installing Ubuntu on partition other than sda1

Asked by checkit

I am trying to install Ubuntu 9.04 (Jaunty) on partition sda2.

My current setup looks like this:

sda1 - Ubuntu 8.10 Intrepid (Ext3)
sda2 - Blank partition (Ext3)
sda3 - Windows 2000 (ntfs)

sdb1 - User Data (Ext3)
sdb2 - User Data (ntfs)

sdc1 - User Data (Ext3)
sdc2 - User Data (ntfs)

When I try to install from a Jaunty LiveCD, it gives me three options:
1. Install them side by side, choosing between them each startup
2. Use the entire disk
3. Specify partitions manually

Which should I choose? Obviously #2 is not the right answer. I tried #3, which takes me to a screen that lists all the partitions on my system, but it's not clear to me what I need to do on that screen. I want to re-format sda2 as Ext3 and install to that partition without resizing.

Can anyone help me? Thanks in advance.

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***DISCLAIMER***
Please note that I do not want to put my /home directory on a separate partition, nor do I want to create a swap partition (I will use a swap file instead). Also, I know that Jaunty is not the most recent Ubuntu release, and I know that I have the option of upgrading my sda1 Intrepid partition via Synaptic.
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Solved
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Ubuntu Edit question
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Solved by:
Carlos Andrés Zambrano (czam)
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Best Carlos Andrés Zambrano (czam) (carlos.zambrano) said :
#1

You should choose 3. Specify partitions manually, then you have to choose the partition sda2 and specify the mount point (/) and the filesystem, remember that in 9.04 you have the chance tho choose between ext3 and ext4, select the the filesystema yo want to and then click in save changes on the disk.

CarlosZ (czam)

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actionparsnip (andrew-woodhead666) said :
#2

Use custom partitioning. You can then tell the installer to format sda2 and use it as /. You can also tell the installer to automatically mount one of the user data folders as /home but not format it. You will need to tell he system what file system it uses but it can be automatically mounted. You can set mountpoints for the other partitions (but do not tell the installer to format it unless needed) so they are added to /etc/fstab

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checkit (checkit) said :
#3

Thanks Carlos Andrés Zambrano Barrera, that solved my question.

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checkit (checkit) said :
#4

Thanks Carlos. I didn't realize that you had to specify the mount point as "/" in order to get it to install to that partition.