November 2010

After installing a KVM switch Ubuntu won't recognize the correct display resolution of the LCD monitor anymore. The following helps to query and set the resolution:

get the correct modeline

cvt h-resolution v-resolution [refresh]

e.g.

Nice articles about "Hacking Virtual Machines":

• Part 1 – Sniffing
  http://www.shortinfosec.net/2010/10/hacking-virtual-machines-part-1.html
• Part 2 – Environments Where Virtualization Lives
  http://www.shortinfosec.net/2010/10/hacking-virtual-machines-part-2.html
• Part 3 – Crashing unpatched Hyper-V hosts
  http://www.shortinfosec.net/2010/11/hacking-virtual-machines-part-3.html
• Part 4 – Knowing That the Target is a Virtual Machine
  http://www.shortinfosec.net/2010/11/hacking-virtual-machines-part-4-knowing.html

Update 2010-11-03: the problem isn't solved reliably … works only "sometimes". Seems to be a kernel problem, see here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/661711

The hibernation problem ("moon" LED blinks, blinking cursor in the upper left corner, no activity) is solved:

http://ohioloco.ubuntuforums.org/showthread.php?t=1601203

-> edit /etc/default/acpi-support

-> add hibernate as first item of SUSPEND_METHODS

-> reboot