default boot option

[Lucio Mario Nicolosi]

lazer1 wrote:
> On 20-Apr-09, Preston Kutzner wrote:
>> On Apr 20, 2009, at 3:36 PM, lazer1 wrote:
> 
>>> when I boot my computer, I am presented with a boot option screen
>>>
>>>
>>> eg various Ubuntu options,
>>>
>>> a Windows option and a Fedora Core option,
>>>
>>>
>>>
>>> how can I change the default option?
> 
>> edit your /boot/grub/menu.lst file:
> 
>> Find the line that starts with 'default' and change the number to  
>> match the boot definition you want to be the default.  The boot  
>> definitions are near the bottom of the file and each definition starts  
>> with the word 'title'.  The list is 0-based, so your first definition  
>> is actually '0', so you would use 'default 0'.
> 
> emacs says the file is read only!
> 
> I tried to log in as supervisor using:
> 
> su -
> 
> but it says:
> 
> Password:
> 
> then when I give the password I use to login
> 
> it says:
> 
> su: Authentication failure
> 
> !

[snip]

Try the Ubuntu way:

:~$ sudo [your preferred text editor] /etc/boot/grub/menu.lst

--

Lucio