The XM command is detailed

XM AddLabel label Dom ConfigFile [policy]

XM AddLabel Label RES resource [policy]

Added a security label called label, label name can be customized

XM Getlabel Dom ConfigFile

XM Getlabel Res Resource

Display standard from DOM configuration file or resource

XM labels [policy] [Type=dom|res|any]

Lists the policies defined in all types of labels, except for the special, default policy is the currently implemented access control policy. The default type is DOM, and these labels are arranged in alphabetical order.

XM Rmlabel Dom ConfigFile

XM Rmlabel Res Resource

Delete a tag from a DOM configuration file or res resource

XM Block-attach <Domain> be-dev fe-dev mode [Bedomain-id] Creates a new virtual block device.

Be-dev

The export of domain's back-end devices (typically domain 0). You can specify either a physical partition (PHY:SDA7) or a loopback (File://path/to/loop.iso) as a file.

Fe-dev

Name of the device in guest domain such as/DEV/HDC, 0x1400 (/DEV/HDC device hex ID

Mode

The way that guest domain accesses the device, with a supported mode of W (read/write) or R (read-only).

Bedomain-id

Domain back-end managed device, default is Domain0

For example

Mount an ISO as disk

XM Block-attach guestdomain file://path/to/dsl-2.0RC2.iso/dev/hdc ro

You can also modify the configuration file

disk=[' file:/var/cache/convirt/vm_disks/test.disk.xm,hda,w ', ' File://path/to/dsl-2.0RC2.iso,hdc,ro ']

XM Block-detach <Domain> devid Delete Domain's virtual block devices. Devid must be a device ID

XM Block-list <Domain> List all block devices used by a domain

XM create <ConfigFile> [options] [VARs]: Start an unmanaged virtual machine

The-c parameter is to import the kernel output to Virtual Console when booting

XM Console: Open the console to manage virtual machines

Configuration files (config file).

The Xen configuration file includes standard variables. The prefabricated content should be enclosed in (parentheses), see the example in the/etc/xen/directory.

Kernel specifying the path of the kernel

RAMDISK Specifies the image path of the RAMDisk (optional)

memory specifies the size, in units of M

VCPUS Specifies the number of CPUs that are virtual systems

console specifies the port of Domain (default is 9600+domain ID)

VIF Network port configuration. A predetermined port can be a null value, or specify more variable settings, such as

Vif = [' Mac=00:16:3e:00:00:11, Bridge=xen-br0 ', ' BRIDGE=XEN-BR1 ']

First set the domain's network card MAC address, then bridge the first network interface to a different network interface, let xend to select the MAC address. These settings include Type,mac,bridge,ip, Script,backend, and Vifname, among others;

Disk sets the hard drive used by domain, such as disk=[' phy:hda1,sda1,r ', which means that the hard disk used by domain is a physical partition/dev/hda1, which is then mapped to/DEV/SDA1 and is read-only. If you want to turn on read and write, change R to W, but this is a bit risky.

DHCP sets the way that domain obtains IP from a DHCP server

netmask Setting the network mask for domain

Gateway to set up domain

Hostname setting the hostname of a virtual machine

root specifies the hard disk partition where domain is located by root, where the hard disk to be imaged is specified;

NFS_SERVER Specifies the IP address of the NFS server

Nfs_root Specifying Server for NFS

The root file system provided

Extra

Additional fields have been written to the sample configuration file (for example, configuring the virtual TPM feature)

XM Debug-keys Keys

The command is sent to the hypervisor for debugging. Key is as follows:

% (ASCII) Trap to xendbg.

C (ASCII) Trigger a crash dump.

H (ASCII) Dump heap info.

N (ASCII 4e) NMI statistics.

O (ASCII 4f) Toggle shadow audits.

R (ASCII) Reboot machine.

S (ASCII) Reset Shadow page tables.

A (ASCII) Dump timer queues.

D (ASCII) Dump registers.

H (ASCII) Display list of debug keys.

I (ASCII) Dump interrupt bindings.

M (ASCII 6d) Memory info.

N (ASCII 6e) Trigger an NMI.

Q (ASCII) Dump domain (and guest debug) info.

R (ASCII) Dump run queues.

T (ASCII) Display multi-cpu clock Info.

U (ASCII) Dump non-uniform Memory Access (NUMA) info.

V (ASCII) Dump Intel ' s VMCS.

Z (ASCII 7a) Print ioapic info.

XM Destroy <domain>: Shut down the virtual machine like power off

XM DMESG [-c|--clear] Check Xen kernel buffering information

XM Dry-run ConfigFile

Test whether domain resources can be accessed

XM dumppolicy Print hypervisor ACM status information

XM Dump-core [-l|--live] [-c|--crash] [-r|--reset] <Domain>

[Filename]xm Dump-core is similar to a Linux system kdump or Windows

Kernel memory dump, which is the most important feature is to be able to crash the system dump is now

In-memory content and recorded as an archive

XM GetPolicy Get current system Policy

XM setpolicy <policytype> <policyfile> [options] set policy for the system

<policytype> Unique value ACM

<policyfile> policy filename + '-security_policy.xml ', the location of the file can be in the current directory or/etc/xen/acm-security/policies

The current policy for the XM Resetpolicy settings system is the default policy

XM Help: Overview of all available XM commands

XM Info Prints host information for the current Xen environment

XM list: Lists of all known virtual machines

Each field represents the following meaning:

Name of the virtual machine is the name of a descriptive type

Domid the domain ID of the running virtual machine, which is a numeric value

Memory size, in units of M

Vcpus Domain has the number of virtual CPUs, which is a numeric

State Domain status, there are five kinds of States;

R Running is running

B blocked Block

P Paused Pause

s shutdown off

C Crashed crashes

CPUTime CPU run time, unit is seconds

The XM list also supports long format output, with the-l option. The long format can output the running domain

XM Log Print Xen logs

XM migrate <Domain> [destination Domain] offline migration Guest OS

XM migrate <Domain> l [destination Domain] online migration guest OS

XM Mem-set <Domain> <Mem> Adjusts the size of the running virtual platform (Domain-0) and the amount of memory occupied by the virtual operating system, which can be dynamically modified if error occurs:

Memory_dynamic_max must is less than or equal to Memory_static_max

Describes the maximum limit beyond memory that can be used with XM Mem-max <DomId>/<Domname> <Mem>

XM Network-attach <Domain> [Script=scriptname] [ip=ipaddr] [mac=macaddr] [bridge=bridge-name] [backend= Bedomain-id]

Create a new network setting (Specify the device ID) in the specified domain

Script=scriptname

Using the name of the specified script, the default setting is Vif-script in Xend-config.sxp

Ip=ipaddr

Mac=macaddr

Bridge=bridge-name

Backend=bedomain-id

XM Network-detach <Domain> Devid

Removes the network device for the specified domain ID from domain. Devid is a virtual interface in domain device number

XM network-list <Domain> lists all the network interfaces used by a domain

XM new <domain>: Add virtual machine to xenbase Managed Environment

XM pause <domain>: Pause the activity of the virtual machine without releasing the memory resources used

XM Pci-attach <Domain> <PciDev> build a new PCI device

XM Pci-detach <Domain> <domain:bus:slot.func> remove a PCI device from Domain

XM pci-list <Domain> show PCI settings for Domain

XM reboot <domain>: Restart the virtual machine

XM Restore: Wake-up virtual operating system

XM Restore \path\file-p

XM Resources

Lists all the resources in the global resource standard file, listing the relevant tags and policy names in each resource

XM Save: Store the state of a running virtual operating system

XM save-c <Domain> \path\file

XM sched-credit-d Domain [-w weight|-ccap]

The parameters to the SCHED-CREDIT subcommand is as follows:

-C caps,--cap=cap

Set the maximum amount of CPU that a domain can consume, with a default of 0 (No limit). This value represents the percentage of the physical CPU, for example: set to 50 for half of the physical CPU upper limit

-d domain,--domain=domain set domain scheduling parameters

-W weight,--weight=weight sets the relative weighting of domain, valid range is 1-65536, default value is 256

XM SCHED-SEDF Setting EDF parameters

The parameters to the SCHED-SEDF subcommand is as follows:

Domain set Domain schedule parameters

Period EDF Normal dispatch, Unit nanosecond

Slice worst case Execution Time (MS).

Latency-hint Domain performs a large amount of I/O time-proportional cycles

Extratime flags that allow domain to run in overtime

Weight another way to set up CPU allocation

XM Scsi-attach <Domain> <PhysDevice> <VirtDevice> [Backdomain] Add a new SCSI device

XM Scsi-detach <Domain> <VirtDevice> Removal of a specified SCSI device

XM scsi-list <Domain> [--long] lists all currently connected SCSI devices.

XM suspend <Domain> suspend a domain

XM Resume <Domain> resume a pending domain

XM shutdown <domain>: Shut down the virtual machine normally

XM start <domain>: Starting a virtual machine from a xenbase managed environment

XM top <domain>: Provides an overview of the status of all virtual machines

XM Unpause <domain>: Activating a virtual machine paused using the XM Pause command

XM uptime <Domain> shows the uptime of all domains in your Xen environment

XM Usb-add <Domain> <[host:bus.addr] [host:vendor_id:product_id]> add a USB device to the FV VM

XM Usb-del <Domain> <[host:bus.addr] [host:vendor_id:product_id]> Remove the FV VM USB device

XM Vcpu-list lists CPU correspondence for all domains

XM Vcpu-pin <Domain> vcpus CPU fixed Vcpus to physical CPU

For example, XM Vcpu-pin domname all fixed vcpus to all physical CPUs

XM Vcpu-pin domname all 2,3,4,5 fixed Vcpus to 2-5 of physical CPUs

XM Vcpu-set <Domain> Vcpu-num Modifying the number of CPUs for a virtual machine

XM Vncviewer [--autopass/--vncviewer-autopass] <Domain> using VNC to connect guest OS

XM vnet-create <ConfigFile> Create a vnet from a configuration file

XM vnet-delete <VnetId> Delete a vnet

List of XM Vnet-list vnets

XM vtpm-list [-l|--long] <Domain> displays the device for the virtual TPM in Domain.

Create an image file;

DD If=/dev/zero of=fedora50.img bs=2k seek=2048k count=1

LS-LH fedora50.img

-rw-r--r--1 root root 4G Jan 5 16:05 fedora50.img

Format the image as a Linux file system

Mkfs.ext3 fedora50.img

Mount-o Loop fedora50.img/mnt

Df-lh

This article from "Nicol Lock Silk Sorrow" blog, please make sure to keep this source http://smoke520.blog.51cto.com/9256117/1835175

The XM command is detailed