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Installable Live CD/USB: a hybrid ISO image which can be burned to either CD or USB [7] and used to install on both bare metal (I.e. a non-virtualized physical machine) and virtual machines, including VMware, Xen, XenServer, VirtualBox, and KVM. This image can also run live in non-persistent demo mode.
Kernel-based Virtual Machine (KVM) is a free and open-source virtualization module in the Linux kernel that allows the kernel to function as a hypervisor. It was merged into the mainline Linux kernel in version 2.6.20, which was released on February 5, 2007. [ 1 ]
QEMU can be used with a Kernel-based Virtual Machine (KVM) to emulate hardware at near-native speeds. Additionally, it supports user-level processes, allowing applications compiled for one processor architecture to run on another. [5] QEMU supports the emulation of x86, ARM, PowerPC, RISC-V, and other architectures.
APT is a collection of tools distributed in a package named apt. A significant part of APT is defined in a C++ library of functions; APT also includes command-line programs for dealing with packages, which use the library. Three such programs are apt, apt-get and apt-cache. They are commonly used in examples because they are simple and ubiquitous.
sudo retains the user's invocation rights through a grace period (typically 5 minutes) per pseudo terminal, allowing the user to execute several successive commands as the requested user without having to provide a password again. [21] As a security and auditing feature, sudo may be configured to log each command run.
Rackmount lay-flat KVM. A KVM is a computer input/output device offering the combination of a keyboard, video monitor and mouse (pointing device).They are typically constructed to fit into a 19-inch rack although there are manufacturers who offer a KVM that can be mounted to a flat surface such as a control console.
KVM switch (keyboard, video, and mouse switch), originally a hardware device for controlling multiple computers, now also used to refer to software tools used to achieve similar functionality (for example Synergy and various more fully open-source equivalents)
Some types of active KVM switches do not emit signals that exactly match the physical keyboard, monitor, and mouse, which can result in unwanted behavior of the controlled machines. For example, the user of a multimedia keyboard connected to a KVM switch may find that the keyboard's multimedia keys have no effect on the controlled computers.