Linux rookie starter virtual machines and scripts

System Virtual Machine Management

1. Installation

#!/bin/bash

Virt-install \

--name \

--ram 1000 \

--FILE/VAR/LIB/LIBVIRT/IMAGE/$1.IMG \

--file-size 8 \

--cdrom/var/ftp/pub/iso/

2. Management

Virt-manager Opening the Graphics management tool

Virt-viewer display virtual machine, vmname-virtual machine name

Virsh List List of running VMS

Virsh List List of all VMS

Virsh start Vmname Run the specified VM

Virsh shutdown normal shutdown of the specified VM

Virsh destroy Force shutdown specified

Virsh Create Vmname.xml temporarily restores the specified VM Vmname represents the front end management file

Virsh define Vmname.xml permanently recover VMS

Virsh undefine Vmname Delete the front-end management of the VM and does not delete the storage

3. Virtual Machine Snapshots

Qemu-img create-f qcow2-b Vm2.qcow2 node.qcow2

Scripting: Implementing multiple functions with case statements

#!/bin/bash

Case "$" in

Deladd)

Echo Poweroff $

Virsh Destroy $ &>/dev/null

Echo del $1.xml ...

Virsh undefine $ &>/dev/null

echo Create disk.

Qemu-img create-f qcow2-b/var/lib/libvirt/images/$1.qcow2/var/lib/libvirt/images/$2.qcow2 &>/dev/null

ECHO Create VMs

Virt-install \

--name

--ram 1000 \

--DISK/VAR/LIB/LIBVIRT/IMAGES/$2.QCOW2 \

--import &>/dev/null &

Echo create $ successful;;

Create

Virt-install \

--name \

--ram 1000 \

--FILE/VAR/LIB/LIBVIRT/IMAGES/$1.QCOW2 \

--file-size 8 \

--cdrom/home/kiosk/desktop/rhel-server-7.1-x86_64-dvd.iso &

Echo create $ successful;;

Createdisk)

Qemu-img create-f qcow2-b/var/lib/libvirt/images/$1.qcow2/var/lib/libvirt/images/$2.qcow2 &>/dev/null

echo Create $ sucessful;;

Poweroff

Virsh Shutdown $ &>/dev/null

Echo already shutdown $

Esac

This article is from the "12147236" blog, please be sure to keep this source http://12157236.blog.51cto.com/12147236/1863529

Linux rookie starter virtual machines and scripts