Category: virtualbox / Virtualization / xenserver

29.04.2015

Qubes OS Applications running in different security domains From Wikipedia, the free encyclopedia For other uses, see Qubes (disambiguation). Qubes OS Developer Invisible Things Lab OS family Unix-like Working state Current Source model Open source (except for Windows Support Tools)[1] […]

29.01.2015

to find out what version of the guest additions are installed on your linux guest, open up terminal type in: modinfo vboxguest filename: /lib/modules/3.2.0-4-amd64/updates/dkms/vboxguest.ko version: 4.1.18_Debian license: GPL description: Oracle VM VirtualBox Guest Additions for Linux Module author: Oracle Corporation srcversion: […]

01.12.2014

# delete old vitualbox install package apt-get purge virtualbox # install & download package wget –no-check-certificate https://www.virtualbox.org/download/oracle_vbox.asc apt-key add oracle_vbox.asc echo „deb http://download.virtualbox.org/virtualbox/debian wheezy contrib“ >> /etc/apt/sources.list apt-get update apt-get install virtualbox-4.2 dkms # you might also want the guest […]

14.10.2014

  if your debian-lxde is stuck to a fixed resolution…   make shure that: LXDE auto resize screen VirtualBox Package Installation After setting up your new Lubuntu VM you’ll need to update the sources.list and install several components. Lubuntu doesn’t […]

22.09.2014

Houston… we have a problem… 1x cpu core are not enough… how do we poweroff the VM at midnight, increase the cpu cores 1->2, and power on that box, script-wise?

01.09.2014

Wussten Sie dass die innovative und kostenlose Virtualisierungs-Software VirtualBox ursprünglich aus Deutschland, Weinstadt stammt? … bevor Sie von Oracle 2002 aufgekauft wurde. Logo of VirtualBox OSE, 2007-2010 VirtualBox was initially offered by innotek GmbH under a proprietary software license, making one version […]

13.02.2014

Source: https://en.wikipedia.org/wiki/RAID#RAID_5_in_enterprise_environments „RAID 5 is seriously affected by the general trends regarding array rebuild time and chance of failure during rebuild.[56] In August 2012, Dell posted an advisory against the use of RAID 5 in any configuration and of RAID 50 with „Class […]

19.06.2013

after win7 installation (copying files) has completed, win7 restarts displaying an ugly error with code: 0xc0000225 – means: Boot selection failed because a required device is inaccessible. [youtube=http://www.youtube.com/watch?v=UKO2QlU4he0] PLEASE MAKE SHURE THAT IO APIC is enabled!

17.01.2013

  my windows 7 VMs in virtualbox had TERRIBLE, TERRIBLE network performance… … the prolem seemed to be ip6 + virtio drivers. if you want to use virtio drivers… disbale ipv6 in windows 7. also try disable tcp auto tuning: netsh […]

02.12.2012

when using virtualbox, you sooner or later come to ask „what harddisk format should i choose?“ SHORT: GO FOR VDI! EVERYTHING ELSE IS NOT PROPERLY SUPPORTED! Want to know why? Keep on reading:   vmdk: is the VMWare „default“ vdi: […]

11.11.2012

in short: the nice fact is that citrix xen and virtualbox can use the same/similar PIIX3 controler, which makes moving VMs between them a matter of „how to copy the harddisk sector wise“. (MAKE SHURE VIRTUALBOX IS USING THIS CONTROLER […]