Run defrag in the guest (Windows only) Nullify free space: With a Linux Guest run this: sudo dd if=/dev/zero | pv | sudo dd of=/bigemptyfile bs=4096k sudo rm -rf /bigemptyfile
Category: Virtualbox
Understanding Virtualbox network interfaces
To create and experiment with all kinds of networks without the risk (or taking the trouble) of creating an actual one. And here is where VirtualBox excels by providing several options for networking out of the box. VirtualBox installs an additional NIC (Network Interface Card) on your host computer to…
Virtualbox Disk Reduce or Disk Compact
You have to do the following steps: 1. Run defrag in the guest (Windows only) Nullify free space: With a Linux Guest run this: sudo dd if=/dev/zero of=/bigemptyfile bs=4096k sudo rm -rf /bigemptyfile Or: telinit 1 mount -o remount,ro /dev/sda1 zerofree -v /dev/sda1 Or sudo apt-get install secure-delete sfill -f -z…
Set date/time permanently on Virtualbox Guest
First you need to ssh to the server and be root and then do these step by step: 1. Set the date/time as following format date -s “2 OCT 2013 18:00:00″ 2. Set the proper Timezone for your area- # cd /etc # ln -sf /usr/share/zoneinfo/EST localtime 3. Set it…
VBoxHeadless Running Virtual Machines With VirtualBox On A Headless Debian/ubuntu Server
I have implemented this on Debian 6 (Squeeze system) with the IP address 192.168.0.100 where I’m logged in as root. Installing VirtualBox To install VirtualBox 4.1 on our Debian server, we open /etc/apt/sources.list… added this line- deb http://download.virtualbox.org/virtualbox/debian squeeze contrib non-free Use appropriate OS source list from https://www.virtualbox.org/wiki/Linux_Downloads Then we…
Virtual USB and VBoxusergroup Troubleshoot on Linux Host
I faced USB issues on both Virtualbox installation on both Debian and CentOS linux host. I really didn't notice the urgency of vboxusers group in running VBox in headless mode! Anyway, following snippets of texts really did help me out solving my USB problems. All credits goes to the VBox…
VBoxHeadless – Running Virtual Machines With VirtualBox 4.0 On A Headless CentOS 5.6 Server
This guide explains how you can run virtual machines with VirtualBox 4.0 on a headless CentOS 5.6 server. Normally you use the VirtualBox GUI to manage your virtual machines, but a server does not have a desktop environment. Fortunately, VirtualBox comes with a tool called VBoxHeadless that allows you to…
Install Virtualbox Extension pack in command line
– Open a command prompt as Administrator : Right-click on “Accessories\Command Prompt” and choose : Run As Administrator. – CD C:\Program Files\Oracle\VirtualBox – Make sure the ExtensionPack is located in the same directory – C:\Program Files\Oracle\VirtualBox>VBoxManage.exe extpack install Oracle_VM_Virt ualBox_Extension_Pack-4.0.4-70112.vbox-extpack C:\Program Files\Oracle\VirtualBox>VBoxManage.exe extpack install Oracle_VM_VirtualBox_Extension_Pack-4.0.4-70112.vbox-extpack 0%…10%…20%…30%…40%…50%…60%…70%…80%…90%…100% Successfully installed “Oracle VM…
Migrate existing Windows installations to VirtualBox
Windows installations, unlike Linux, cannot easily be moved from one hardware to another. This is not just due to Microsoft's activation mechanism but the fact that the installed kernel and drivers depend on the actual hardware. This document explains the common pitfalls and how to workaround these. We assume that…
Virtualbox on Debian Wiki
VirtualBox is an x86 emulator developed by innotek (bought by Sun/Oracle) comparable to VMware. A version called VirtualBox Open Source Edition (OSE) is freely available as Open Source Software under the terms of the GNU General Public License (GPL). It is a relatively new program and still has some minor…