Dec 13 2014
You have freed up a lot of space on your hyper-v virtual machine and tried to compact the vhd file but no luck, it doesn’t shrink as much as it should. Here are a few things I tried to optimize disk space:– Defragmentation– Shrink volume from the VM disk manager– Defrag adding the vhd on another […]
Dec 04 2012
Converting a physical Windows 2003 Server to a Hyper-v virtual machine with disk2vhd tool may throw the following generic error on a black screen on boot: Needless to say Windows is not even starting.I tried to repair Windows with a 2003 server image, fixmbr, fixboot, and they all failed.The Master Boot Record needs to be […]
Dec 14 2009
Dynamips and dynagen let you create a virtual Cisco router on a Linux box. It would be even better if that router was reachable from the LAN, wouldn’t it? Going further, that same router could lead us to another couple of virtual routers running in a lab. Download and Installation Download dynamips and dynagen from […]
Apr 19 2008
Disabling Image Files Xen usually stores running domains in /var/lib/xen/save, causing a /var full on many systems when dom0 is shut down. Edit /etc/sysconfig/xendomains or /etc/default/xendomains and replace “XENDOMAINS_SAVE=/var/lib/xen/save” with “XENDOMAINS_SAVE=” This sends a shutdown signal to all virtual machines before dom0 reboots. A 300 second timeout is defined before killing an OS that hangs […]