VirtualBox 4.1.18 released and ubuntu installation instructions included
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What is new in VirtualBox 4.1.18
This is a maintenance release. The following items were fixed and/or added:
VMM: fixed VERR_REM_VIRTUAL_CPU_ERROR under rare conditions after the guest has been reset (bug #5164 and others)
VMM: fixed host freezes with 64-bit guests on 32-bit Linux hosts (bug #10528)
VRDP: added a workaround for rdesktop clients not properly updating the screen size when minimized
AHCI: fixed a rare bug which can cause a guest memory corruption after the guest storage controler has been reset
NAT: another attempt to fix crashes under rare conditions (Windows hosts only; bug #10513)
Mac OS X hosts: addressed issues running Leopard / Snow Leopard (bug #10631)
Linux hosts / Bridged Networking: fixed the problem with device driver unloading on kernels 3.2.18 and newer due to an invalid reference counter (bug #10624)
Linux hosts / guests: Linux 3.5-rc1 fixes
Linux Additions: the guest content was sometimes not properly updated (bug #9887)
Solaris Additions: installer fix for X.org Server 1.11 and 1.12
Install VirtualBox 4.1.18 in ubuntu 12.04
Open the terminal and run the following commands
You need to edit /etc/apt/sources.list
gksudo gedit /etc/apt/sources.list
Add the following line
deb http://download.virtualbox.org/virtualbox/debian precise contrib
If you are running ubuntu 11.10 add the following line
deb http://download.virtualbox.org/virtualbox/debian oneiric contrib
Save and exit the file
Now install PGP key using the following command
wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add --
Update source list
sudo apt-get update
Install virtualbox
sudo apt-get install virtualbox-4.1
If you have problem with the above PPA you can download .deb package from here.Once you have deb package you can double click on it to install this package.