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Old 09-06-2016, 02:00 AM   #1
khub07
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Triple Partition


I have Ubuntu and windows dual partitioned on my computer. I want to split the Ubuntu partition in half, and add arc Linux. How do I go about this? Is it as simple as when I partitioned to add Ubuntu initially? But instead of partitioning a hard drive into two parts, just split the partition that has Ubuntu into two parts and add arc? Thank you!
 
Old 09-06-2016, 02:12 AM   #2
pan64
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you will need to boot from a pendrive and run gparted. Shrink partition first to create free space and add a new one using that free area.
 
Old 09-06-2016, 02:54 AM   #3
khub07
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Well I have a disk...
 
Old 09-06-2016, 02:55 AM   #4
khub07
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But I can just follow the same steps that I did before when I initially partitioned it, correct?
 
Old 09-06-2016, 02:59 AM   #5
pan64
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I don't know what steps did you execute....
 
Old 09-06-2016, 03:47 AM   #6
hydrurga
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There are many tutorials on the internet on how to use gparted live. If you're unsure how to use the program, I would recommend that you read through and understand at least one or two of these first.
 
Old 09-06-2016, 07:17 AM   #7
pierre2
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Quote:
Originally Posted by khub07 View Post
But I can just follow the same steps that I did before when I initially partitioned it, correct?
probably *not*

you need to boot to a live environment,
and then use Gparted to shrink the existing partition.
Code:
sudo fdisk -l
paste that into terminal & copy the result, back here.
 
Old 09-06-2016, 07:29 AM   #8
yancek
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An option you may not have considered is reading the actual GParted Manual which is available online and explains in details how to do all of this.

http://gparted.org/display-doc.php%3Fname%3Dhelp-manual
 
Old 09-06-2016, 07:31 AM   #9
yancek
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An option you may not have considered is reading the actual GParted Manual which is available online and explains in details how to do all of this. Basically similar to what you did before which you didn't really explain. You would need to do it from a Live CD/flash drive, make sure the Ubuntu partition is unmounted and then resize/shrink it and create format a new one. Details at the link below.

http://gparted.org/display-doc.php%3Fname%3Dhelp-manual
 
Old 09-07-2016, 09:49 AM   #10
BW-userx
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I've used Gparted while running to resize a disk as long as the one you're resizing is not being used, ie not mounted. you can dis mount it them move data if needed then repartiton it and set it up for another OS. In Windows using repartioning software may work too, it has been a long time sence I've played around doing this same thing. EaseUS
 
Old 09-07-2016, 11:01 AM   #11
kilgoretrout
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I'm fairly certain that if you shrink your Ubuntu partition, you will also change its UUID. This will render Ubuntu unbootable. After you shrink your Ubuntu partition you should check its UUID and change it back to its original UUID using your livecd.
 
Old 09-07-2016, 05:32 PM   #12
BW-userx
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Quote:
Originally Posted by kilgoretrout View Post
I'm fairly certain that if you shrink your Ubuntu partition, you will also change its UUID. This will render Ubuntu unbootable. After you shrink your Ubuntu partition you should check its UUID and change it back to its original UUID using your livecd.
or just take the news ones then change them out in your fstab file... before you try booting it.
 
Old 09-07-2016, 05:43 PM   #13
IsaacKuo
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Quote:
Originally Posted by kilgoretrout View Post
I'm fairly certain that if you shrink your Ubuntu partition, you will also change its UUID. This will render Ubuntu unbootable. After you shrink your Ubuntu partition you should check its UUID and change it back to its original UUID using your livecd.
I have used gparted to shrink/expand/move ext3, ext4, and swap partitions. My experience is that swap will always get a new UUID, but ext3/ext4 keep the UUID. Best to make sure, of course.
 
Old 09-07-2016, 05:45 PM   #14
kilgoretrout
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Quote:
Originally Posted by BW-userx View Post
or just take the news ones then change them out in your fstab file... before you try booting it.
It varies from distro to distro but IIRC ubuntu configures grub to boot from the root parititon UUID as well. That's why I suggested changing the UUID back to the original, if necessary.

Last edited by kilgoretrout; 09-07-2016 at 05:46 PM.
 
Old 09-07-2016, 06:09 PM   #15
BW-userx
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Quote:
Originally Posted by kilgoretrout View Post
It varies from distro to distro but IIRC ubuntu configures grub to boot from the root parititon UUID as well. That's why I suggested changing the UUID back to the original, if necessary.
OIC ~ I've never incountered this issue. Only having to redo my fstab before booting. But then again I don't use Ubuntututuewww
 
  


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