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Installing a OS on a USB drive





DimaSafr
can I install an OS (lets say XP or 2000) on a 2 gig flash drive? It would be sort of cool to have an OS that you carry with you just in case and can boot your computer with. I have checked my BIOS and it detects a USB stick as a hard drive at start up.
Any Ideas?
Many thanks.
Animal
If you search the forum, you'll find several topics on this subject:

http://www.frihost.com/forums/viewtopic.php?t=37829&highlight=boot+usb
http://www.frihost.com/forums/viewtopic.php?t=35632&highlight=boot+usb
http://www.frihost.com/forums/viewtopic.php?t=21903&highlight=boot+usb
http://www.frihost.com/forums/viewtopic.php?t=6632&highlight=boot+usb
http://www.frihost.com/forums/viewtopic.php?t=14872&highlight=boot+usb

I'm not aware of anyone who's managed to install Windows on a flash disk, but you could always ask. Otherwise, there are plenty of Linux distributions available that will easily boot from a flash drive - see the links above.
lSaKenl
In a fast answer: yes, you can, just gotta choose advanced mode in windows installation, and choose the flash drive, then configurate your bios to boot the flash drive, also you can install a linux as said above

but i would not suggest you to do that, it is insane slow, instead, if what you want to do is to move your operating system preferences and tools to diferent computers, i'd suggest you to do this: (Note: i dont know about windows, i'll just write for linux)

Write your root and desktop preferences in your flash drive, tools and whatever you want to use, then, write in it a linux boot loader, not a gurb or lilo, a boot loader to specify parameters, just like a live cd, then when you want to use it in a comp, boot the flash drive and write

Code:
bare.i root=/dev/(hard drive partition)/(Directory to mount) noinitrd rw


in example

Code:
bare.i root=/dev/hda3/mnt/linuxmounted noinitrd rw


after that, mount your root in the dir you specified

in example

Code:
mount /dev/(flash drive) /mnt/linuxmounted


after that, just init your X window manager with startx or xinit or whatever

hope this can help you
DimaSafr
I managed to install XP on a flash drive and set my BIOS to boot from it. Just cann't get windows to boot. IT is sort of trying to, goes as far as XP start up screen then gives an error message and reboots, I gues it may be because usb speed is just not fast enough to handle an OS as Windows.
lSaKenl
Well it can be that, but if you could post the error message it prompts, maybe we can figure out a way to make it run
AftershockVibe
You have to be careful about running an OS on flash memory as they have a limitted number of writes you can make to the disk.

Make sure your swap drive/file in particular isn't on it otherwise your drive could die very quickly, especially if it doesn't have a proper flash file system and uses something silly like FAT32.
johnwin
DamnSmallLinux is also a good starting point - it will run within windows and piggy backs onto your PC network connections. I had great fun at work showing the sysadmin that I could run Linux on his 'secure' Windows network
Twisted Evil

http://www.damnsmalllinux.org/
polizey
*sign*

damn small linux for usb drives (50mb, running on windows)
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