Hak5 1005 – Airfoil Design, Install Ubuntu from Windows and Battery Powered PCs

This time on the show, Open Source Airfoil Designs, Installing Ubuntu from within Windows and DC power supplies.

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Open Source Airfoil Design

Pranay Sinha from the Quadshot project joins us to discuss open source airfoil design.

Install Ubuntu from Windows

Interested in Ubuntu but don’t want to commit to partitioning your drive or turning your PC into a Linux machine? There is a really easy way to run it alongside Windows and still get the full OS for both.

Wubi (Windows-based UBuntu Installer) is an official Windows-based free software installer for Ubuntu. Wubi’s goal is to assist a Windows user who isn’t too knowledgeable in Linux in trying Ubuntu without risking any loss of information due to disk formatting or partitioning. Wubi can also uninstall Ubuntu from within Windows kind of like an application or program.

Now you may be thinking that sounds kind of like a virtual machine inside Windows, but it’s not. Wubi creates a disk image that can be run directly from the hardware, no virtual machine needed. It adds a new entry to the boot menu, so a user has the option to run Linux Ubuntu or Windows. In this way, it is a little different from my usual portable apps because you won’t be using GRUB to boot onto the Linux Distro Ubuntu will be installed on the actual Windows file system and Linux will think it’s a real hard disk, giving you the option to boot from it.

It does sound very epic win and super easy, but there are some limitations. Hibernation isn’t supported and hard reboots happen. Also, if you get a BSOD in Windows, you have to reboot Windows, shut it off, then boot your computer again to access the Linux distro as Ubuntu won’t be able to mount the drive successfully until your machine has cleanly rebooted. Performance will be a little slower than a normal Ubuntu install, but not by much. This is because you’re going through the Windows file system to access the Ubuntu distro instead of just booting directly off Ubuntu.

I also wanted to mention that you can have Wubi on a USB drive. There are a couple of other versions of it too- Lubi for Linux, and Mubi for MAC (which is still in the works).

If all this sounds really weird to you, I’m going to do a little step by step of how Wubi works and what it looks like to dual boot into Ubuntu using this program.

From using Wubi, I can tell that this is a really good way for someone to get their feet wet in the world of Ubuntu without having to do the full install. It does make it super easy to get into Linux and it feels like an actual install, specially when you get the option to boot Windows or Ubuntu on the boot up screen. It makes it feel like you’ve installed Ubuntu completely separate from Windows even though from it’s limitations you know thats not the case.

I think this is a really good tool for beginners or just to make life easier for anyone. You can always email me your thoughts at [email protected].


Brandon writes:

The open source screen recorder you couldn’t think of for windows is probably CamStudio Open Source. It is one of the most popular and free recording software. Otherwise you have to pay like $300 for TechSmith’s Camtasia Studio. You can find CamStudio at http://camstudio.org/

John writes

hey i’m a long time fan of the show and on episode 1003 Darren ran the motherboard off of a non standard connector was it put together by Darren or is there somewhere i can get one as i really need this for a mobile game server im working on was there any drawbacks to using a battery instead of a standard psu?

swehunter2000 on Youtube:

Hey, i need to run a pc from a 12 volt battery, just like you did, can you please make a more in depth tutorial on how you did that?

Mike writes:

came across this service on my travels outside the UK for access to iPlayer
freeukvpn.com It’s great with 2mbps bandwidth which is just enough for streaming but they change the password every 12 hours which is a minor inconvenience for such a great service.


does anyone know a good alternative to vdownloader for ubuntu?


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