Digg this topic Add to my del.icio.us Submit to SlashDot  
Reply to this topicStart new topic
> Car PC Security booting
sxtnitehawk
post Oct 10 2007, 07:57 PM
Post #1


Newbie
*

Group: Members
Posts: 2
Joined: 10-October 07
Member No.: 11,178


United States


I'm building a car pc and the way i'm setting it up, the PC will directly control the ability to start the car(ignition cylinder will be removed from the steering column). I want to make sure that the system cant be booted without a usb device plugged in, but i've heard that putting the whole OS on a usb stick can make boot times go sky high and I've been told to only move the boot kernel onto the usb drive and leave the OS itself onto the hard drive. This makes perfect sense, but how would I go about doing it?

I'm guessing I'de have to move NTLDR onto the stick....but what else do i have to do?

Any help would be greatly appriciated.

Thanks

Matt
Go to the top of the page
 
+Quote Post
Nuno Brito
post Oct 10 2007, 09:55 PM
Post #2


Advanced Member
***

Group: .script developer
Posts: 4,153
Joined: 13-July 06
From: Azores
Member No.: 1


Portugal


Hi Matt - welcome to our forums! (IMG:../forums/style_emoticons/default/smile.gif)


Why not using the hard drive for all operations and move away from using the USB drive for boot?

You can create an image of the bootable disk and place it on the drive - then you would be able to load it to RAM using SDI and should be fairly faster than using any USB drive.

----

What is the advantage?

Using an image means that you can use the same image on either USB pendisks, CD-ROM drives and Hard disks and in all cases it should be possible to safely remove the media from where the OS was booted.

(not actually sure about HD removal since I slightly suspect that removing the disk from a running OS might cause it to freeze - not confirmed)

I would be very interested to know your results about boot speed even thought my opinion is that hard drive boot is always faster than compared to USB2 or CD drive.

-------

There is also VistaPE - it's meant from the start to run straight from RAM and USB drives so it migth be easier to get working out of the box without having to use Windows 2003 files mixed with the XP ones.

In either case if you still wish to try RAM boot from XP, you should first get a copy of the trial version of windows 2003 - a link from microsoft is available here: http://www.microsoft.com/windowsserver2003...llinstruct.mspx

And wb projects targeted to XP almost always include the option to create a RAM boot with ease - just use this windows 2003 as source to create a new boot disk.

(a script to create bootable USB flash disks is also included on the liveXP project - it uses the PeToUSB tool created by codebettle on http://gocoding.com)

---

Good luck with you car-booting!! (IMG:../forums/style_emoticons/default/cheers.gif)
Go to the top of the page
 
+Quote Post
MedEvil
post Oct 10 2007, 11:09 PM
Post #3


Advanced Member
***

Group: .script developer
Posts: 1,257
Joined: 29-December 06
Member No.: 2,192



sxtnitehawk, if you use a laptop simply use the build in bootpassword feature. It can't be circumvented without replacing the BIOS chip. Every other Security feature is far easier to get around.
Like when you're going to use a USB stick as a key, then your computer will, the way you describe it, need to boot from USB.
So what should keep me from hooking up my USB Stick, boot it up and then cross over into your installed system to get some data or even make use of it straight?

(IMG:../forums/style_emoticons/default/cheers.gif)
Go to the top of the page
 
+Quote Post
sxtnitehawk
post Yesterday, 04:24 AM
Post #4


Newbie
*

Group: Members
Posts: 2
Joined: 10-October 07
Member No.: 11,178


United States


Nuno: I dont want the whole OS to be on a usb drive though, JUST the boot loader, I want the OS itself to be on the hard drive and just the boot menu to be on the usb device. This way without the usb device, the system wont even BOOT...but i dont want the slow boot times of using all usb for the OS itself...

MedEvil: not using a laptop...building a PC in the car... I dont want the OS to boot from the usb stick, just the boot loaded, NTLDR. I want the OS to be on the harddrive and have NTLDR on the USB stick, with ONLY the USB stick in the boot sequence in bios. This way without that USB stick, there's no chance the computer will boot.

both BIOS and XP will have passwords set, but inevitably I still want that USB stick to have NTLDR and whatever else is required to get this working...
Go to the top of the page
 
+Quote Post
Nuno Brito
post Yesterday, 09:26 AM
Post #5


Advanced Member
***

Group: .script developer
Posts: 4,153
Joined: 13-July 06
From: Azores
Member No.: 1


Portugal


You mean using the USB key as a sort of key to allow booting the system? (IMG:../forums/style_emoticons/default/huh.gif)

That's an interesting twist.

There are other members here in the forum with more experience on GRUB and boot loaders - I hope it helps.

(IMG:../forums/style_emoticons/default/smile.gif)
Go to the top of the page
 
+Quote Post
jaclaz
post Yesterday, 05:43 PM
Post #6


Finder
***

Group: Advanced user
Posts: 1,117
Joined: 14-July 06
Member No.: 2


Italy


As I see it, easiest woud be to put on the stick, that can be as small as the bare minimum you can find, 16 Mb, if you still can find a few of them, just grldr.mbr (installed) and grldr + menu.lst, better if using the md5 password feature, see this thread:
http://www.boot-land.net/forums/index.php?...ic=2984&hl=
If you also put on the stick NTLDR+NTDETECT.COM+BOOT.INI, you have a slighty added level of security.
In other words, that would be something similar to this:
http://www.911cd.net/forums//index.php?&showtopic=20434

jaclaz
Go to the top of the page
 
+Quote Post
« Next Oldest · Windows XP/2003 and Vista · Next Newest »
 

Fast ReplyReply to this topicStart new topic
2 User(s) are reading this topic (2 Guests and 0 Anonymous Users)
0 Members:

Collapse

> Similar Topics

  Topic Replies Topic Starter Views Last Action
No New Posts Booting XP/Vista into RAM - have I got this at all right?
Read 100's of posts - looking 4 best ways AND 1 answer
9 yvonne 492 30th September 2007 - 07:11 AM
Last post by: yvonne
No New Posts Booting VISTA PE on XP machine
XP system unaffected?
2 Bernhard 292 26th September 2007 - 12:15 PM
Last post by: Bernhard
No new Booting from USB HDD
Is there a guide somewhere? or can someone tell me how?
25 iceangel89 2,593 17th September 2007 - 11:59 AM
Last post by: iceangel89
No New Posts Topic has attachmentsPC Inspector™ File Recovery 4
Freeware file recovery and undelete utility
8 booty#1 560 2nd September 2007 - 05:07 PM
Last post by: Barkeeper
No New Posts Topic has attachmentsSecurity Property Page for files and folders
View and edit NTFS permissions
2 booty#1 270 16th August 2007 - 11:38 AM
Last post by: booty#1


 

Display Mode: Standard · Switch to: Linear+ · Switch to: Outline

Track this topic · Email this topic · Print this topic · Subscribe to this forum

- Lo-Fi Version Time is now: 12th October 2007 - 03:50 AM

MKPortal ©2003-2006 mkportal.it