Reference

onevm(1)

NAME

onevm

SYNOPSIS

onevm command [args] [options]

OPTIONS

 -m, --multiple x          Instance multiple VMs
 -x, --xml                 Show the resource in xml format
 -n, --numeric             Do not translate user and group IDs
 -k, --kilobytes           Show units in kilobytes
 -t, --type type           Type of the new Image
 -l, --list x,y,z          Selects columns to display with list command
 -d, --delay x             Sets the delay in seconds for top command
 -v, --verbose             Verbose mode
 -h, --help                Show this message
 -V, --version             Show version and copyright information

COMMANDS

•

create file

Creates a new VM from the given template file. This command bypasses
the Template pool, which is the preferred way to instantiate new VMs.
See ´onetemplate create´ and ´onetemplate instantiate´
valid options: multiple, xml, numeric, kilobytes

•

delete range|vmid_list

Deletes the given VM
States: ANY

•

hold range|vmid_list

Sets the given VM on hold. A VM on hold is not scheduled until it is
released. It can be, however, deployed manually; see ´onevm deploy´
States: PENDING

•

release range|vmid_list

Releases a VM on hold. See ´onevm hold´
States: HOLD

•

saveas vmid diskid img_name

Sets the specified VM disk to be saved in a new Image. The Image is
created inmediately, but the contents are saved only if the VM is
shut down gracefuly (i.e., using ´onevm shutdown´ and not
´onevm delete´)
States: ANY
valid options: type

•

shutdown range|vmid_list

Shuts down the given VM.
States: RUNNING

•

reboot range|vmid_list

Reboots the given VM, this is equivalent to execute the reboot command
from the VM console.
States: RUNNING

•

deploy range|vmid_list hostid

Deploys the given VM in the specified Host. This command forces the
deployment, in a standard installation the Scheduler is in charge
of this decision
States: PENDING

•

livemigrate range|vmid_list hostid

Migrates the given running VM to another Host without downtime
States: RUNNING

•

migrate range|vmid_list hostid

Saves the given running VM and starts it again in the specified Host
States: RUNNING

•

restart range|vmid_list

Forces a re-deployment of the given VM, issuing a boot action.
States: UNKNOWN, BOOT

•

resubmit range|vmid_list

Resubmits the VM to PENDING state. This is intented for VMs stuck in a
transient state. To re-deploy a fresh copy of the same VM, create a
Template and instantiante it, see ´onetemplate instantiate´
States: ANY, except SUSPENDED or DONE

•

cancel range|vmid_list

Cancels the given VM. The process is checked by OpenNebula, so
if the process fails the VM remains in running state. If the action
succeeds the VMDIR in the remote machine is not deleted
States: RUNNING

•

stop range|vmid_list

Stops a running VM. The VM state is saved and transferred back to the
front-end along with the disk files
States: RUNNING

•

suspend range|vmid_list

Saves a running VM. It is the same as ´onevm stop´, but the files
are left in the remote machine to later restart the VM there
(i.e. the resources are not freed and there is no need to
re-schedule the VM).
States: RUNNING

•

resume range|vmid_list

Resumes the execution of the a saved VM
States: STOPPED, SUSPENDED

•

chgrp range|vmid_list groupid

Changes the VM group

•

chown range|vmid_list userid [groupid]

Changes the VM owner and group

•

chmod range|vmid_list octet

Changes the VM permissions

•

list [filterflag]

Lists VMs in the pool
valid options: list, delay, xml, numeric, kilobytes

•

show vmid

Shows information for the given VM
valid options: xml

•

top [filterflag]

Lists Images continuously
valid options: list, delay, xml, numeric, kilobytes

ARGUMENT FORMATS

•

file

Path to a file

•

range

List of id´s in the form 1,8..15

•

text

String

•

hostid

OpenNebula HOST name or id

•

groupid

OpenNebula GROUP name or id

•

userid

OpenNebula USER name or id

•

vmid

OpenNebula VM name or id

•

vmid_list

Comma-separated list of OpenNebula VM names or ids

•

filterflag

a, all       all the known VMs
m, mine      the VM belonging to the user in ONE_AUTH
g, group     ´mine´ plus the VM belonging to the groups
             the user is member of
uid          VM of the user identified by this uid
user         VM of the user identified by the username

LICENSE

OpenNebula 3.4.1 Copyright 2002-2012, OpenNebula Project Leads (OpenNebula.org)

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0