Re: unbale accesses fedora

2010-08-26 Thread Michael Schwendt
On Thu, 26 Aug 2010 09:26:27 +0530, rajib wrote:

 
 I install fedora 13 then i install ubuntu 9.04 in a separate partition 
 
 but my problem is I cant open fedora

You really need to explain _where_ you installed the boot loaders for
Fedora 13 _and_ Ubuntu 9.04. One can install them in more than once
place. Where exactly is important. If you've overwritten Fedora's boot
loader with Ubuntu's, you will need to use either some advanced
commands in Ubuntu's boot loader to locate and load Fedora's boot
partition and the grub.conf file, or a rescue-disk to boot into
Fedora in order to (re-)install its boot loader.
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Re: unbale accesses fedora

2010-08-26 Thread Chris Smart
On Thu, Aug 26, 2010 at 1:56 PM, rajib samal rajibsa...@live.in wrote:
 I install fedora 13 then i install ubuntu 9.04 in a separate partition
 but my problem is I cant open fedora

HI Rajib,

Most likely, when you installed Ubuntu it overwrote the partition
which holds your Fedora kernel and boot loader configuration (mounted
to /boot).

As others have mentioned, it's hard to tell you exactly however,
without getting more details.

Honestly, the easiest way to fix it, is probably to re-install Fedora
- but that will break Ubuntu without some manual trickery. Dual
booting Linux distros can be tricky, but not impossible.

To fix this you would need to do something like:
* In Ubuntu, activate the Fedora LVM partition (sudo vgscan ; sudo vgchange -ay)
* Mount the fedora partition
* Mount bind /proc, /dev and /sys to the Fedora mount point
* Copy your /etc/resolv.conf to Fedora mount point
* Change root (chroot) into the Fedora mount point
* Tell yum to re-install the kernel
* Tell dracut to re-build your initramfs
* Exit chroot
* Copy the kernel and initramfs to Ubuntu's /boot partition
* Edit Ubuntu's /boot/grub/grub.conf and add Fedora, telling it to
load Fedora's kernel and initramfs from Ubuntu's /boot partition, but
set the root to the Fedora LVM
* Umount proc, sys, dev, and Fedora mount points.
* Reboot and select Fedora from the grub menu at boot

As you can see, it's pretty tricky if you don't know what you're doing :-)

In the future, if you want to dualboot Linux distros you need to have
separate /boot partitions for them. You can only boot one system's
GRUB config, so it will have to either find and add the other distro
(some can do this), or you let the other update its GRUB config and
manually copy it and paste it into the other.

Cheers,
Chris
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Re: unbale accesses fedora

2010-08-26 Thread Beartooth
On Thu, 26 Aug 2010 01:37:39 +0530, rajib samal wrote:

 i have installed fedora13
 
 then iinstalled ubuntu 9.04
 
 after that i am unable to open fedora
 
 help me

Please do not post webgibberish (html) to this list. Your email 
software must have a way to turn it off.

You can still run Ubuntu, right?

You might want to try launching ubuntu and running gparted and/or 
qtparted -- WITHOUT telling either to DO anything. Just look! You want to 
make sure the Fedora install is still there.

If so, use your ubuntu browser to look at 

http://www.supergrubdisk.org/ and 

http://www.supergrubdisk.org/wiki/Main_Page, 

from which you can download and burn a CD that will both help you, and 
also give you good explanations of what it does.

If gparted a/o qtparted shows *only* ubuntu installed, you'll 
want to reinstall Fedora -- being very careful this time to make it use 
only free space (to keep it from wiping ubuntu away).

-- 
Beartooth Staffwright, Neo-Redneck Not Quite Clueless Power User
I have precious (very precious!) little idea where up is.


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Re: unbale accesses fedora

2010-08-26 Thread suvayu ali
On 26 August 2010 13:59, Beartooth bearto...@comcast.net wrote:
 On Thu, 26 Aug 2010 01:37:39 +0530, rajib samal wrote:

 i have installed fedora13

 then iinstalled ubuntu 9.04

 after that i am unable to open fedora

 help me

        You can still run Ubuntu, right?

        You might want to try launching ubuntu and running gparted and/or
 qtparted -- WITHOUT telling either to DO anything. Just look! You want to
 make sure the Fedora install is still there.

        If so, use your ubuntu browser to look at

 http://www.supergrubdisk.org/ and

 http://www.supergrubdisk.org/wiki/Main_Page,

 from which you can download and burn a CD that will both help you, and
 also give you good explanations of what it does.

        If gparted a/o qtparted shows *only* ubuntu installed, you'll
 want to reinstall Fedora -- being very careful this time to make it use
 only free space (to keep it from wiping ubuntu away).


I think the main problem/complication here is Ubuntu uses GRUB2 where
as Fedora only supports GRUB or in updated terminology, GRUB Legacy.
However the OP should have been able to install Ubuntu without
overwriting Fedora's /boot if the partitioning was done correctly.

The easiest partitioning scheme should be something like this,

/boot - for Ubuntu (about 200 - 500 MB)
/   - for Ubuntu
/boot - for Fedora (about 500 MB)
/   - for Fedora

And chainload to boot Fedora.

-- 
Suvayu

Open source is the future. It sets us free.
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Re: unbale accesses fedora

2010-08-25 Thread Kevin J. Cummings
On 08/25/2010 04:07 PM, rajib samal wrote:
 i have installed fedora13
 then iinstalled ubuntu 9.04
  
 after that i am unable to open fedora
 help me
  
  
 how i modify grub file tell me in details

Insufficient information.

Did your Unbuntu installation overwrite your fedora installation?  Or
did you install them into separate partitions?  If separate partitions,
then which ones are they?

-- 
Kevin J. Cummings
kjch...@rcn.com
cummi...@kjchome.homeip.net
cummi...@kjc386.framingham.ma.us
Registered Linux User #1232 (http://counter.li.org)
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Re: unbale accesses fedora

2010-08-25 Thread JD
  On 08/25/2010 01:23 PM, Kevin J. Cummings wrote:
 On 08/25/2010 04:07 PM, rajib samal wrote:
 i have installed fedora13
 then iinstalled ubuntu 9.04

 after that i am unable to open fedora
 help me


 how i modify grub file tell me in details
 Insufficient information.

 Did your Unbuntu installation overwrite your fedora installation?  Or
 did you install them into separate partitions?  If separate partitions,
 then which ones are they?


I suspect that when you  installed Ubuntu, you also installed
the ubuntu Grub loader, clobbering Fedora's grub loader - so now,
when you boot, ubuntu's grub loader is configured to only  boot
Ubuntu.

If this is  the case, then:
You will have some work to do, and I hope someone with
more time that I have, will explain to you how to edit some
files in /boot/grub to let you boot either OS.
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RE: unbale accesses fedora

2010-08-25 Thread rajib samal

I install fedora 13 then i install ubuntu 9.04 in a separate partition 

but my problem is I cant open fedora
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Re: unbale accesses fedora

2010-08-25 Thread JD
  On 08/25/2010 08:56 PM, rajib samal wrote:
 I install fedora 13 then i install ubuntu 9.04 in a separate partition
 but my problem is I cant open fedora
Look, people come here for help when they can provide detailed information
about what they did. Seeing that you are a newbie, and
for people to help you, you have to provide the minutest details of 
every mouse click
and every key stroke you made when you installed fedora and when you 
installed
Ubuntu.

You will need to provide all partitioning information about your disk(s) 
also.

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