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Oracle VM VirtualBox is composed of:# Oracle VM VirtualBox Base Package: the executable that you have to install on your host operating system# Oracle VM VirtualBox Extension Pack: a binary package that extends the functionality of the VirtualBox base package# Oracle VM VirtualBox Guest Additions: consist of device drivers and system applications that optimize the guest operating system for better performance and usabilityObtain VirtualBox from your linux distribution's repository.Obtain VirtualBox from the Official Oracle repository (newer version). deb http://download.virtualbox.org/virtualbox/debian trusty contrib <nowiki>deb http://download.virtualbox.org/virtualbox/debian trusty contrib</nowiki> wget -q https://www.virtualbox.org/download/oracle_vbox.asc -O- | sudo apt-key add - <nowiki>wget -q https://www.virtualbox.org/download/oracle_vbox.asc -O- | sudo apt-key add -</nowiki>Update 2024: On a Linux Mint 21.1 System adding the following to "Software Sources" deb [arch=amd64 signed-by=/usr/share/keyrings/oracle-virtualbox-2016.gpg] https://download.virtualbox.org/virtualbox/debian jammy contribThen doing the keyring dance and apt update it was possible to install a version of virtualbox newer than what is available from the Mint/Ubuntu repositories. At the time of this writing that is version 7.0. You have to replace the word "jammy" with the correct for your version of Ubuntu/Mint.If you wish to see what version of virtualbox is installed use 'vboxmanage' vboxmanage -vTo see what extension packs are installed vboxmanage list extpacks=== VirtualBox Extension Pack ===Update 2024: On a Linux Mint 21.1 System VirtualBox Extension Pack adds some extra features: Oracle Cloud Infrastructure (OCI) integration, VirtualBox Remote Desktop Protocol (VRDP), Host webcam passthrough, Disk and full VM encryption. Install the VirtualBox Extension Pack’s version to match the version of VirtualBox installed.* [https://download.virtualbox.org/virtualbox/ Versions files and extension packs]For an example since the test machine has VirtualBox version 7.0.14r161095 the file Oracle_VM_VirtualBox_Extension_Pack-7.0.14-161095.vbox-extpack was downloaded as it is an exact match. vboxmanage is used to install the extension pack... sudo vboxmanage extpack install Oracle_VM_VirtualBox_Extension_Pack-7.0.14-161095.vbox-extpackrpm --import http://apt.sw.be/RPM-GPG-KEY.dag.txt <nowiki>rpm --import http://apt.sw.be/RPM-GPG-KEY.dag.txt</nowiki>wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.i686.rpm <nowiki>wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.i686.rpm</nowiki>rpm -K rpmforge-release-0.5.3-1.el6.rf.*.rpm <nowiki>rpm -K rpmforge-release-0.5.3-1.el6.rf.*.rpm</nowiki>rpm -i rpmforge-release-0.5.3-1.el6.rf.*.rpm <nowiki>rpm -i rpmforge-release-0.5.3-1.el6.rf.*.rpm</nowiki>yum install dkms yum install dkmsmkdir /mnt/cdrom mkdir /mnt/cdrommount /dev/scd0 /mnt/cdrom mount /dev/scd0 /mnt/cdromyum install dkms binutils gcc make patch libgomp glibc-headers glibc-devel kernel-headers kernel-devel yum install dkms binutils gcc make patch libgomp glibc-headers glibc-devel kernel-headers kernel-devel=== Installing VirtualBox and extension packs ====== USB 2.0 Support ===Virtualbox Extension pack is necessary for enabling USB 2.0 support. The virtual USB 2.0 (EHCI) device.This requires the installation of Oracle VM VirtualBox Extension Pack. The procedure here has been tested on VirtualBox 4.3.10 on 14.04.1 LTS _Trusty Tahr*https://www.virtualbox.org/manual/ch01.html#intro-installing To see what extension packs you may already have installed type this command: sudo VBoxManage list extpacks To download goto:* https://www.virtualbox.org/wiki/Download_Old_Builds_4_3 Scroll down the page to find the version that matches what you have. For this example the correct one was found on page 2 under: "VirtualBox 4.3.10 (released Mar 25th 2014)". Click on "Extension Pack All Platforms"* Oracle_VM_VirtualBox_Extension_Pack-4.3.10-93012.vbox-extpack YOU MUST DOWNLOAD THE EXTENSION PACK VERSION THAT MATCHES YOUR VIRTUALBOX INSTALL VERSION Goto the file and right click, choose to open in VirtualBox. You will be prompted to install the extension. After initiating installation you will see an install progress dialog box. KDESudo will prompt you for your password. This prompt opens behind the current window and sometimes cannot be seen. If the install progress indicator is not moving it is probably because you have been prompted to enter the password for sudo, and the dialog is hidden behind the current window. If successful, the dialog will display: The extension pack '''Oracle VM VirtualBox Extension Pack''' was installed successfully. note: if you install the wrong version then you need to remove it before proceeding. Use the following command to remove any defunct or incorrect version vboxmanage extpack uninstall "Oracle VM VirtualBox Extension Pack" === Windows 7 64-bit Extremely Slow ===Windows 7 Home Premium SP1 (64 Bit) runs very slow in virtual box. It was noted in the log several lines indicating AsyncCompletion delays. This is disk related. 01:12:42.042957 AsyncCompletion: Task 0x007f0767284200 completed after 30 secondsenable the Host I/O Cache in Storage > Controller: SATA. ... RESOLVED PROBLEM.