Virtual machine operation

I. virtual machine

1. Virtual machine overview

A software program running on a computer that simulates computer hardware functions to provide an independent computer environment for other software programs.

2. Running mode of virtual machine

1) sojourn structure

Installed as an application on the operating system, multiple operating systems can be installed on this application

2) Native architecture

The virtual machine software is installed directly on the computer hardware

The virtual machine itself is an operating system.

Virtual machine product

1) Vmware

VMware Workstation (sojourn)

VMware vSphere (native)

2) Microsoft

Virtual PC (sojourn)

Virtual Server (sojourn)

Hyper-V (native)

3) Citrix (Citrix)

XenDesktop (native)

XenServer (native)

II. Overview of operating system

1. Operating system

A computer software that provides application software with access to computer hardware and provides effective hardware and software management

Common operating systems

Windows

UNIX

Linux:

Mac OS:

MS-DOS

Third, manage virtual machines

1. Basic operation of virtual machine

Power off / power on the virtual machine

Restart the virtual machine

Suspend virtual machine

Note: hang: suspend means that the program is not running, but it is not finished, but it is temporarily stopped and the current vmware working state is saved. Next time you can continue the current system directly from the suspension.

2. Virtual machine hardware settings

Modify memory capacity

Expand hard disk capacity

3. Add and remove hardware

Add hard disk

Remove Devic

Put it into the CD

4. Characteristics of virtual machine snapshots

You can easily restore the system to the specified state

Virtual machines-Snapshots-

5. Clone a virtual machine

1. Virtual machine-manage-Clone-enter the Clone Wizard

Cloning method:

1) linked Clone

2) complete cloning

6 、 VMware Tools

A tool program of VMware Workstation