hi1 i hv installed ubuntu 'n' opensuse 10.3 resp. but i'm not able to get the dual boot. only xp 'n' suse are running but at ubuntu it says "file not found"
there is one thing it's using same swap file for both suse and ubutnu. plz tell me solution.

Praka 10.3 uses GRUB, not lilo(SUSE uses GRUB since..10.0? before that?)
The method I've posted is the method I used to detect and add Ubuntu's initrd to menu.lst

Well, can I suggest something...(I faced the same problem and it worked for me )...

1) Boot into SuSE
2) Press CTRL+ALT+F1
3) Login as root
-->Then type the following commands...(without quotation marks)
"grub"
"find /boot/grub/stage1
-->You will find two entries. Then type the following command (replacing your partition no. where Ubuntu is installed)
"root (hd0,5)"
"setup (hd0,5)"
"quit"

Now reboot...

This might solve your problem.

suse yast will be failing to detect ubuntu partitions.my suggestion is to use ubuntu grub and later add suse's kernel and may be initrd lines to ubuntu's menu.lst .suse may be using lilo which is difficult to configure compared to grubtooo lazy to explain

Yes you can use the same Swap for both( in fact for any Distro)

doing everything as told by above still i'm not able to dual boot b/w two.
whn i install other after one first not being boot. i hv installed ubnutu 7.10, then i install suse 10.3 but both xp 'n' suse working but ubuntu gives error. 15 it says "File not found."then i tried installing suse first 'n' ubuntu second this time ubuntu works 'n' suse does not.
plz can u provide me help in this

Sukhi, have you tried out what I'd posted?

Dear Sukhi99!!
How many partition t hat you have.. and which partition you installed both ubuntu and suse..
here I am giving you some typical example..

sda1 and sda5 FAT windows partition

sda6 swap

sda7 Suse

sda 8 ubuntu

after installing suse at the partition sda7 then install Ubuntu at sda8 then chose the grub write the bootloader in mbr.. both windows and Suse will be automatically added to ubuntu bootloader...This is only example.. but your partition number may vary..

with regards,
vaithy

plz tell me can i use one same swap file for the both. or not

Aaah no editing required. This technique was what I used to get both detected.

Boot into openSUSE. Launch YaST, click on System -> BootLoader

Now click on Other --> Reread Configuration from disk. Works like a charrm, auto added even Xen entries.

Can you access Ubuntu partition via Suse ? If you can , navigate to /boot/grub of Ubuntu partition and open Menu.lst and Copy the Ubuntu Grub Entry and close the file .. Now Open terminal in Suse and write su root and enter password.. Type gedit or kwrite /boot/grub/menu.lst and paste the Ubuntu entry there Note delete the preview faulty Ubuntu entry