Category: virtualbox / Virtualization / xenserver


this was tested on: Linux laptop (Core2Duo T2050) 3.16.0-4-686-pae #1 SMP Debian 3.16.7-ckt11-1 (2015-05-24) i686 GNU/Linux apt-get install linux-headers-$(uname -r); # install linux header files aptitude update; # aptitude can resolve conflicts better than apt alone aptitude install libssl0.9.8 libpython2.6; […]


Climate Change is affecting all of us. -> „How do we get more detailed information?“ Computer Simulation -> Projects Since was launched the combined computing power of its users has allowed scientists to carry out […]


i have the following problem… since i updated VirtualBox to 4.3.30, using USB 2.0 will make the VM crash. so i thought, maybe i should update the „extension pack“ responsible for giving the VM USB 2.0 support also an upgrade […]


usually it works like this… you setup a Template (like basic WindowsXXX or Linux installation (like a stem cell)) and clone this template for various purposes (spezialize on…). in KVM it looks like this: (WHICH IS TOTALLY CONFUSING FOR ME) […]


gui-way: DO NOT USE ANY OTHER HARDDISK FORMAT THAN THE DEFAULT QCOW2!!! with VirtualBox it’s the same. THEORETICALLY they support Micro$oft’$ HYPER_V_DISK_IMAGE.VHD BUT PRACTICALLY THINGS WILL FALL APART QUICKLY! (broken/corrupted disk image) So just stick to the defaults and you […]


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] […]


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: […]


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


  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 […]


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?


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 […]


Source: „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 […]


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=] PLEASE MAKE SHURE THAT IO APIC is enabled!


  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 […]


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: […]