Archives
Archive for September, 2009
64-bit Jaunty guest on 32-bit Jaunty host with VirtualBox
( Ubuntu
)
If your processor supports 64-bit you can run a 64-bit OS on top of your 32-bit OS using VirtualBox. Which can be very useful e.g. for testing an application you are developing in different environments. Your CPU must support 64-bit. To test (thanks http://www.cyberciti.biz/faq/linux-how-to-find-if-processor-is-64-bit-or-not/): grep flags /proc/cpuinfo and look for lm (long mode) . Your [...]
Ubuntu Karmic Alpha 5 Editing GRUB2
( Ubuntu
)
I used to know how to edit /boot/grub/menu.lst to change the order of Operating Systems (e.g. Windows XP, Ubuntu Jaunty, Ubuntu Karmic, and Kubuntu Jaunty), set the default, and set the delay. But with alpha 5 of Ubuntu Karmic that has all changed with the introduction of GRUB2. Here’s what I did instead. Your goal [...]