Thread: Booting installation from hard drive using usb flash drive?

hi,

i'm new linux in general , have been using ubuntu awhile, looking try , set functionality i'm having trouble with. have system set dual boot windows 7 , ubuntu; windows 7 partition encrypted truecrypt, using boot loader currently, not give me option of loading ubuntu installation.

install grub onto flash drive, use either boot ubuntu or allow me options booting truecrypt partition. without flash drive connected, truecrypt bootloader load now. if possible, find way install ubuntu live usb installation on same flash drive, have option of running live installation, loading installation on internal hard drive, or booting truecrypt bootloader.

biggest problem i'm having getting grub install on flash drive. i've come across few tutorials online type of thing, seem taylored different situations, , none working me. specifically, not sure how partition , format flash drive (a) use grub in way looking use it, , (b) allow have live install. finally, having trouble figuring out changes need make load installations off of internal hard drive though i'm booting off flash drive.

or direction appreciated. i've seen few tutorials on forum , online, again, haven't been able find solution. in advance,

mathew

following step step full install of 11.10 usb device.
should grub option boot thumb drive or other o/s on system.
partition sizes given 8gb drive, adjust size suit:

turn off , unplug computer. (see note @ bottom)
remove side case.
unplug power cable hard drive.
plug computer in.
insert usb drive.
insert live cd or live usb.
start computer, cd / flash drive should boot, (you need adjust bios boot usb).
select language
select "forward".
select download updates while installing , select install third-party software.
(notice @ least 4.4 gb drive space required, 4gb bootable flash drive users must choose distro full install).
forward
if prompted unmount partitions.
select "something else"
forward
confirm "device boot loader installation:"is correct, (if left internal hdd plugged in make sure usb drive root selected - sdb not sdb1).
(optional windows data partition)
select "new partition table" click continue on drop down.
click "free space" , "add".
select "primary".
make "new partition size..." 1000
"location = beginning".
"use as: = fat32 file system"
, "mount point = windows".
select "ok"
click "free space" , "add".
select "primary", "new partition size ..." = 3 4 gb, beginning, ext4, , mount point = "/" ok.
(optional home partition)
click "free space" , "add".
select "primary", "new partition size ..." = 1 2 gb, beginning, ext2, , mount point = "/home" ok.
(optional swap partition)
click "free space" , "add".
select "primary", "new partition size ..." = remaining space, (1 2 gb), beginning , "use as" = "swap area" ok.
(importent)
confirm "device boot loader installation" points usb drive. default should ok if hdd unplugged.
click "install now".
select location.
forward.
select keyboard layout.
forward.
insert name, username, password, computer name , select if want log in automatically or require password.
selecting "encrypt home folder" option if worried loosing usb drive.
select forward.
wait until install complete.
turn off computer , enable hdd.
stick side panel on.

note:
may omit disabling hard drive if after partitioning choose install grub root of usb drive installing ubuntu to, (ie sdb not sdb1). cautious, many people have overwritten hdd mbr.

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