Then what you need to do is to install BT to the usb, but write grub (the bootloader) to the usb device instead of the hard disk. However, you will need to edit grub afterwards so that it will boot properly.
Assuming that your hd is sda and your usb would be sdb, then the grub equivalents would be (hd0,0) and the usb drive would be (hd1,0) and (hd1,1), if it has two partitions. When grub is written to the usb device it would assume that order, but when you use the BIOS to choose the boot device and boot from the usb device, this messes up grub's understanding at the time of installation. Now the usb partition would be (hd0,0) and (hd0,1), so grub won't boot since grub is written with the usb as (hd1,0) or (hd0,1). The quick fix is to edit grub manually at boot time. When you press enter on grub to boot the device you will get an error and take you back to grub. Using the keyboard navigate to the grub line of the distro that you wish to boot and press 'e' (for edit), then navigate to the line that says (hd1,0) or (hd1,1), depending on which partition your installation is. You need to press 'e' a second time, then cursor back and change the first number from 1 to zero. Then press enter. Then press 'b' to boot. The second number is for the partition, but this won't need to be changed. This should get the usb device to boot, but you won't want to do this each time, so you want to edit the grub file in a text editor and save it. The file to edit is in the root directory at /boot/grub/menu.lst. You will have to do this as root either using sudo or su from a console before loading the text editor. In Ubuntu I would type gksu gedit. In others you might just change to su and then once you get the # prompt you can launch the text editor by typing its name such as nano. Once in the editor navigate to that file and load it. Conversely you can type the pull path after the program name such as nano /boot/grub/menu.lst. Then change the one to zero as before. Save the changes and it should boot properly. Roy Linux: Fast, friendly, flexible and .... free! Support Open source. <*,)}}+< Only dead fish go with the flow! ----- Original Message ---- From: pauloagribeiro <[EMAIL PROTECTED]> To: [email protected] Sent: Thursday, October 2, 2008 7:18:47 AM Subject: [LINUX_Newbies] hello .I want to install backtrack on to my harddisk or my usb hello .I want to install backtrack on to my harddisk or my usb from my cd drive with backtrack 3. i have 2 disk one with vista and another usb disk where i wish to install backtrack with 2 partition one with ntfs and other with fat32. i don´t want dual boot.i choose what OS from the bios boot. __________________________________________________________________ Looking for the perfect gift? Give the gift of Flickr! http://www.flickr.com/gift/ [Non-text portions of this message have been removed] ------------------------------------ To unsubscribe from this list, please email [EMAIL PROTECTED] & you will be removed.Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/LINUX_Newbies/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/LINUX_Newbies/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
