Category: Virtualization / KVM / VirtualBox / xenserver

Windows (7) automatic reboot every 3 days at midnight taskschd.msc

sometimes one wants to restart a windows vm every x days – to clean up RAM and Co. run task scheduler “Aufgabenplanung” %windir%\system32\taskschd.msc /s File/Datei -> New/Neu -> Basic Task/Einfache Aufgabe select or copy paste: %SystemRoot%\System32\shutdown.exe one has to scroll […]

Debian 9.8 “stretch” setup of VirtualBox 6.0 with Cinnamon Desktop

# setup log of VirtualBox Graphical User Interface Version 6.0.10 r132072 (Qt5.7.1) # on Debian 9.8 with Cinnamon Desktop # go into software repo user@debian98:~$ cd /software/ # download latest version of software user@debian98:/software$ wget –2019-08-03 14:36:05– Resolving […]

CentOS7 setup virtualbox

headless server: tested: 2018-10-17 on CentOS Linux 7.5 (Core) wget rpm –import oracle_vbox.asc cd /etc/yum.repos.d/ wget yum update yum search virtualbox yum install VirtualBox-5.2.x86_64 # if you want/need usb 3.0 extension package wget VBoxManage extpack install Oracle_VM_VirtualBox_Extension_Pack-5.2.20.vbox-extpack […]


who is who? concepts: docker is written in Google Go by Docker Inc, SanFrancisco because it does not emulate any hardware – it is a linux container / sandbox or jail like Free BSD Jail or Solaris Zones or OpenVZ so […]

VirtualBox under LinuxDebian – Hang Hung VM on Starting Virtual Machine

this applies to: VirtualBox Version 5.1.8 r111374 (Qt5.3.2) hostnamectl Static hostname: DebianWorkstation Operating System: Debian GNU/Linux 8 (jessie) Kernel: Linux 3.16.0-4-686-pae Architecture: x86 the VMs hangs on startup with this screen: Solution: kill the vm then disable audio device… the […]