CN105959134A - Automatic installation deployment method based on PXE, and PXE server - Google Patents
Automatic installation deployment method based on PXE, and PXE server Download PDFInfo
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- CN105959134A CN105959134A CN201610261244.4A CN201610261244A CN105959134A CN 105959134 A CN105959134 A CN 105959134A CN 201610261244 A CN201610261244 A CN 201610261244A CN 105959134 A CN105959134 A CN 105959134A
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- pxe
- installation
- address
- configuration
- dhcp
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0876—Aspects of the degree of configuration automation
- H04L41/0883—Semiautomatic configuration, e.g. proposals from system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
- H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Automation & Control Theory (AREA)
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Abstract
The invention provides an automatic installation deployment method based on PXE, and a PXE server. The automatic installation deployment method is characterized in that after a booting instruction is received, DHCP service, TFTP service, and FTP service are booted; after a DHCP modification instruction is received, configuration information of a DHCP service configuration file is modified dynamically according to the modification information of the DHCP modification instruction; after a DHCP request message transmitted by a pre-configured PXE client is received, a DHCP response message is returned to the PXE client, and comprises the configuration information of the current DHCP service configuration file, and then the PXE client is used to download an installation booting configuration file according to the IP address of the configuration information and the address of the booting configuration file, and at last, PXE installation configuration is completed by the installation booting configuration file. The automatic installation deployment method based on the PXE provided by the invention is advantageous in that the flexible automatic configuration modification is realized according to current network environment input by a user, and manual hand-operated modification is not required; the application range is wide, and the method is easy and simple to realize.
Description
Technical field
The invention belongs to field of computer technology, particularly to a kind of installation automatically based on PXE
Dispositions method, PXE server.
Background technology
Pre-boot Execution Environment (Preboot execute Environment, be called for short PXE) be at present than
The technology of relatively main flow, is mainly used in client/server (Client/Server is called for short C/S),
Start image file is downloaded by network from far-end server (namely resource pool) for client,
Wherein this start image file can be a boot program can also be operating system, client
The operating system being pre-installed in far-end server is guided according to this start image file, thus
Realize starting operating system on the client.
The interaction of PXE client and PXE server is as it is shown in figure 1, include: 1, PXE
Client starts from the PXE network interface card of oneself, and the Dynamic Host Configuration Protocol server in present networks asks for IP；
2, the placement location of IP and the PXE file that client computer is distributed in Dynamic Host Configuration Protocol server return (should
File is usually placed on a tftp server)；3, PXE Client is in present networks
Tftp server asks for pxelinux.0, default file；4, PXE Client obtains pxelinux.0
This document, vmlinuz, the initrd.img specified according to configuration file default is performed after file
Start system kernel, and download the ks.cfg file specified；5, with going according to ks.cfg
(HTTP/FTP/NFS) server downloads RPM bag installation system.
Wherein, ks.cfg file can pass through Kickstart (a unattended mounting means)
Automatically generate.The operation principle of Kickstart is that record is typical in installation process to be needed manually
Intervene the various parameters filled in, and generate the file of ks.cfg.If in installation process (no
Be confined to generate Kickstart install file machine) occur parameter to be filled in situation, peace
First dress program can go to search the file that Kickstart generates, if finding suitable parameter, just
Use the parameter found.If therefore Kickstart file covers in installation process to go out
The existing parameter that be there is a need to fill in, then setter can only tell installation procedure is from what completely
Place takes ks.cfg file, the most just goes oneself thing busy.Etc. installing, installation procedure meeting
Restart system according to the setting in ks.cfg, and terminate to install.PXE mode and Kickstart side
Formula is combined and is carried out unmanned to install operating system complete procedure concrete the most as shown in Figure 2.
But in practical operation, existing PXE server can not be supported dynamically to revise DHCP
Configuration file, can not support to specify the default installation boot configuration file of different resource pools,
Thus cannot support that different PXE clients installs the behaviour obtained from different resource pools according to demand
Make the image file of system.
Summary of the invention
It is an object of the present invention to provide one can revise DHCP flexibly according to existing network environment and join
Based on PXE the automatic installation and deployment method put.
In order to achieve the above object, the invention provides a kind of automatic installation and deployment based on PXE
Method and PXE server.
First aspect, the invention provides a kind of automatic installation and deployment method based on PXE, bag
Include:
After receiving open command, open DHCP, TFTP and FTP service；
After receiving DHCP amendment instruction, revise information according in described DHCP amendment instruction
The dynamically configuration information in amendment DHCP service configuration file；Wherein, described amendment information includes
The IP address of the PXE client of pre-installation configuration and the address of installation boot configuration file, dynamically
Amended configuration information also includes IP address and the installation of the PXE client of pre-installation configuration
The address of boot configuration file；
After the DHCP request message that the PXE client receiving described pre-installation configuration sends,
Returning dhcp response message to described PXE client, described dhcp response message includes currently
Configuration information in DHCP service configuration file, so that described PXE client is according to described configuration
IP address and the address of installation boot configuration file in information are downloaded and are installed boot configuration file,
And the PXE installation configuration of self is completed by described installation boot configuration file.
Preferably, described DHCP amendment instruction includes some groups of amendment information,
Often group amendment information includes the IP address of multiple PXE client pre-installing configuration, Yi Jiduo
The individual address pre-installing same installation boot configuration file corresponding to the PXE client configured.
Preferably, described DHCP amendment instruction includes some groups of amendment information,
Often group amendment information includes the IP address of PXE client of multiple pre-installation configuration, and often
One address pre-installing installation boot configuration file corresponding to the PXE client configured.
Preferably, in described often group amendment information, also include and each described pre-installation configuration
The identification information of the PXE client of the IP address binding of PXE client.
Preferably, including the MAC that identification information is PXE client of described PXE client
Address.
Second aspect, the invention provides a kind of PXE server, including:
Unit is opened in service, for after receiving open command, open DHCP, TFTP and
FTP service；
Configuration modification unit, for after receiving DHCP amendment instruction, according to described DHCP
Information is revised in amendment instruction and dynamically revises the configuration information in DHCP service configuration file；Its
In, described amendment information includes the IP address of the PXE client of pre-installation configuration and installs guiding
The address of configuration file, dynamic amended configuration information also includes the PXE visitor of pre-installation configuration
The IP address of family end and the address of installation boot configuration file；
Communication unit, for send in the PXE client receiving described pre-installation configuration
After DHCP request message, return dhcp response message, described DHCP to described PXE client
Response message includes the configuration information in current DHCP service configuration file, so that described PXE is objective
Family end downloads peace according to the address of the IP address in described configuration information and installation boot configuration file
Dress boot configuration file, and the PXE installation of self is completed by described installation boot configuration file
Configuration.
Preferably, described DHCP amendment instruction includes some groups of amendment information,
Often group amendment information includes the IP address of multiple PXE client pre-installing configuration, Yi Jiduo
The individual address pre-installing same installation boot configuration file corresponding to the PXE client configured.
Preferably, described DHCP amendment instruction includes some groups of amendment information,
Often group amendment information includes the IP address of PXE client of multiple pre-installation configuration, and often
One address pre-installing installation boot configuration file corresponding to the PXE client configured.
Preferably, in described often group amendment information, also include and each described pre-installation configuration
The identification information of the PXE client of the IP address binding of PXE client.
Preferably, including the MAC that identification information is PXE client of described PXE client
Address.
The present invention provide based on PXE automatic installation and deployment method by receive newly-increased
After the instruction of external interface transmission, DHCP, FTP, TFTP service can be carried out according to instruction
Open and close operation and dynamically revise DHCP configuration file according to different network environments
Operation, based on PXE the automatic installation and deployment method enabling the present invention to provide is defeated according to user
The current network environment entered automatically configures amendment flexibly, it is not necessary to revise manually,
Applied widely and simple easily realization.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below
In describing embodiment, the required accompanying drawing used is briefly described, it should be apparent that under,
Accompanying drawing in the description of face is only some examples of the present invention, for those of ordinary skill in the art
From the point of view of, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is PXE server and the interaction diagrams of PXE client in prior art；
Fig. 2 is that in prior art, PXE and unattended mode installation operation system information are shown alternately
It is intended to；
Fig. 3 is a kind of based on PXE the automatic installation and deployment embodiment of the method stream that the present invention provides
Cheng Tu；
Fig. 4 is a kind of PXE server device example structure schematic diagram that the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical side in the embodiment of the present invention
Case is clearly and completely described, it is clear that described embodiment is only the present invention one
Divide embodiment rather than whole embodiments.Based on the embodiment in the present invention, this area is general
The every other embodiment that logical technology people is obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
In order to the method being better understood from present invention offer is the most automatically to PXE server
In configuration modify, that introduces PXE server early stage first below build situation.
Step one, build-in services device, amendment configuration.
Installing CentOS system on VMware virtual machine, this system is as the base of PXE server
Native system, installs DHCP, TFTP and ftp server, according to Ethernet snap-fit in this system
Each server profile of the IP address amendment correspondence put and installation boot entry configuration file.Under
Face is configured to as a example by 192.168.10.3 by Ethernet card, is discussed in detail and how to revise each server
Configuration file and default installation boot entry configuration file.
(1) amendment DHCP configuration configures by default, specific as follows:
Wherein, 192.168.10.3 is the IP address of PXE server management mouth,
192.168.10.150-192.168.10.200 in being 192.168.10.0 subnet, system to be installed
The network segment of PXE client.
(2) configuration of amendment tftp server is it can be understood as revise PXE client and PXE
The mode how service end communicates, specific as follows:
Here the place of main amendment carries annotated place exactly, namely have modified installation and draws
Lead the path of a configuration file.Usually, the path installing boot entry configuration file is all left in
Under the catalogue of tftp server.
(3) under the catalogue of amendment tftp server, boot entry configuration file is installed, as follows:
vi/tftpboot/pxelinux.cfg/default
label linux
menu label^Install or upgrade an existing system
menu default
kernel vmlinuz
Append initrd=initrd.img ks=ftp: // 192.168.10.3/ks.cfg
Installing boot entry configuration file i.e. default file, amendment wherein adds the generation of boldface type
Code, so that the PXE client of system to be installed can be managed by this PXE of 192.168.10.3
Reason mouth obtains ks.cfg file.Wherein, ks.cfg file was introduced in installation process in being background technology
The file typically needing various parameters that manual intervention fills in of middle record.System to be installed
PXE client is after obtaining this file, it is possible to automatically according to the ginseng configured in file
Number is installed automatically.
(4) amendment unmanned installs configuration file, as follows:
vi/var/ftp/ks.cfg
install
text
Url--url=ftp: // 192.168.10.3/pub/
lang en_US.UTF-8
keyboard us
network--device eth0--bootproto dhcp
……
Bolded section in amendment code, thus ensure that the PXE client of system to be installed can
Ks.cfg file is obtained by this PXE of 192.168.10.3 management mouth.
Step 2, establishment heterogeneous resource pond.
Resource pool is deposited and needs the PXE client of installation system and need operating system to be mounted
Ios image file, the PXE client of system to be installed can be by PXE management mouth from resource pool
The ios image file of middle down operation system thus carry out follow-up operating system and install.Wherein,
Resource pool can be huawei or vmware, at TFTP and ftp server share directory/tftpboot
Be respectively created huawei and vmware catalogue under/var/ftp, then boot entry configuration literary composition will be installed
Part and each ios image file decompression to be installed are placed under respective directories.Wherein, TFTP clothes
Under the share directory/tftpboot of business device, storage is to install boot entry configuration file, ftp server
Under share directory/var/ftp, storage is the ios image file installed.
Concrete operation step is as follows；
(1) the file copy in each installation mirror image ISO file to/var/ftp/huawei or
In/var/ftp/huawei, as a example by huawei, as follows:
mount/dev/cdrom/media/huawei/
cp-Rf/media/huawei/*/var/ftp/huawei/
(2) initrd.img pxelinux.0 vmlinuz is copied to/tftpboot catalogue in
mkdir/tftpboot
chmod 777-Rf/tfrpboot/
cp/var/ftp/huawei/isolinux/initrd.img/tftpboot/huawei/
cp/var/ftp/huawei/isolinux/vmlinuz/tftpboot/huawei/
Here initrd.img pxelinux.0 vmlinuz is installation boot entry configuration file.
(3) pxelinux.0 file (find/-name pxelinux.0) is found
cp/usr/share/syslinux/pxelinux.0/tftpboot
(4) default file is placed on/tftpboot/pxelinux.cfg/ under
mkdir/tftpboot/pxelinux.cfg/
cp/var/ftp/pub/isolinux/isolinux.cfg/tftpboot/pxelinux.cfg/default
(5) ks.cfg file is placed on/var/ftp/ under
cp/root/anaconda-ks.cfg/var/ftp/ks.cfg
Also can carry out according to operation above as resource pool need to be increased newly.
The system of good whole PXE server installed above is packed and generates new ISO installation mirror
As file, can look for a PC, notebook, virtual machine that PXE clothes are installed the most at the scene at any time
Business device, own as PXE service end after installation, thus with the PXE of system to be installed
Client interacts so that PXE client automatic installing operating system.
Based on above-mentioned background technology, first aspect, the invention provides a kind of based on PXE from
Dynamic installation and deployment embodiment of the method, the method is by utilizing said method to install the most at the scene
PXE server realize, as it is shown in figure 1, include:
S101, after receiving open command, open DHCP, TFTP and FTP service；
Specifically, PXE server arranges an external interface, and can be connect by this
Mouth receives and is turned on and off the amendment instruction of a certain server.After receiving amendment instruction, PXE
Corresponding server is performed to be turned on and off operation by server according to amendment instruction.
S102, receive DHCP amendment instruction after, according to DHCP amendment instruction in amendment letter
Configuration information in breath dynamically amendment DHCP service configuration file；Wherein, amendment information includes pre-
The IP address of PXE client's device of configuration it is installed and the address of boot configuration file is installed, dynamically repairing
Configuration information after changing also includes that the IP address of PXE client's device of pre-installation configuration and installation are drawn
Lead the address of configuration file；
Specifically, PXE server also sets up an external interface, and can be by being somebody's turn to do
Interface amendment information.Here amendment information is that user is defeated by interface according to practical situation
The IP address of PXE client's device of the pre-installation configuration entered and the address of installation boot configuration file.
Such as, user to be that operating system installed by 200 computers in a certain machine room, and user walks at this
Only need to be inputted 200 computers of system to be installed by the interface that PXE server is arranged in Zhou
IP address and install boot configuration file address.PXE server just can be according to connecing
The configuration information of current server is modified by amendment information automatically that receive.It is appreciated that
, the content of amendment is mainly IP address and the installation of 200 computers of system to be installed
In the address of boot configuration file, namely the automatic step one performing to introduce in background technology
(1)-(3) step.
S103, the DHCP request message sent in the PXE client receiving pre-installation configuration
After, returning dhcp response message to this PXE client, dhcp response message includes currently
Configuration information in DHCP service configuration file, so that PXE client is according in configuration information
The address of IP address and installation boot configuration file is downloaded and is installed boot configuration file, and by peace
Dress boot configuration file completes the PXE of self and installs configuration.
The PXE client process mutual with PXE service end is well known to those skilled in the art
General knowledge, for saving length, does not repeats them here.
To sum up, based on PXE the automatic installation and deployment method that the present invention provides is by receiving
After the instruction of newly-increased external interface transmission, DHCP, FTP, TFTP can be carried out according to instruction
The open and close of service operates and dynamically revises DHCP configuration literary composition according to different network environments
The operation of part, enable based on PXE automatic installation and deployment method that the present invention provides according to
The current network environment of family input automatically configures amendment flexibly, it is not necessary to repair manually
Change, applied widely and simple easily realization.
In the specific implementation, in order to arrange multiple stage computer to obtain system from same resource pool
System installation resource, the DHCP amendment instruction here by interface income to PXE server can be wrapped
Include some groups of amendment information.
Wherein, often group amendment information includes the IP address of multiple PXE client pre-installing configuration,
And the same installation boot configuration file corresponding to PXE client of multiple pre-installation configuration
Address.Such as, in the computer of 200 systems to be installed, wherein 100 will be from HUAWEI
Obtaining resource in resource pool, other 100 to obtain resource from VMware resource pool.Therefore,
The one of which amendment information of input can include that 100 to be obtained from HUAWEI resource pool
Take the IP address of the computer of resource, and the address of the installation boot configuration file of correspondence, should
The content installed in boot configuration file can guide these 100 computers from HUAWEI resource
Pond obtains ios image file.Another group amendment information in can include 100 will be from VMware
Resource pool obtains the IP address of the computer of resource, and the installation boot configuration file of correspondence
Address, the content in this installation boot configuration file can guide these 100 computers from
VMware resource pool obtains ios image file.
Additionally, often group amendment information includes the IP address of multiple PXE client pre-installing configuration,
And each pre-installs the ground of installation boot configuration file corresponding to the PXE client configured
Location.Such as, in 200 computers, wherein one to obtain money from HUAWEI resource pool
Source, also two to obtain resource from VMware resource pool.Therefore, the one of which of input
Amendment information can including, this to obtain the computer of resource from HUAWEI resource pool
IP address, and the address of the installation boot configuration file of correspondence, this installation boot configuration literary composition
Content in part can guide this computer to obtain ios image literary composition from HUAWEI resource pool
Part.Another group amendment information of input can include that those two to be obtained from VMware resource pool
Take the IP address of the computer of resource, and the address of the installation boot configuration file of correspondence, should
The content installed in boot configuration file can guide these two computers from VMware resource pool
Middle acquisition ios image file.
It is capable of controlling different computer by the way and obtains IOS from different resource pools
The purpose of image file, and resource pool can also be extended, and makes the method energy that the present invention provides
Enough operations different according to different actual demand execution, further increase adaptability and practicality
Property.
In the specific implementation, in often group amendment information described above, also include and each institute
State the identification information of the PXE client of the IP address binding of the PXE client of pre-installation configuration.This
In the identification information of PXE client can be the MAC Address of PXE client.
It is capable of host MAC address by such mode to bind with IP.Make the present invention
The method provided can be separately provided generation according to host MAC address and install boot configuration file
(loading sequence installing boot configuration file is: first looks for and naming with this host MAC address
Boot configuration file, if can not find, looks for the boot configuration file subtracting 1 successively with IP address, if also
It is to can not find, then loads default and give tacit consent to boot configuration file).Such as, all of computer system
One installs vmware pond, then will generate the default installation boot configuration literary composition in vmware pond according to interface
Part is /tftpboot/pxelinux.cfg/default, as certain main frame need to be specified to install specific resources pond,
Then generate specific installation boot configuration according to main frame MAC (such as 24:b8:d2:20:50:00) address
File is /tftpboot/pxelinux.cfg/01-24-b8-d2-20-50-00.Thus can realize referring to
The purpose in specific resources pond installed by certain main frame fixed.
Second aspect, the invention provides a kind of PXE server, as shown in Figure 4, and including:
Unit 401 is opened in service, for after receiving open command, opens DHCP, TFTP
And FTP service；
Configuration modification unit 402, for after receiving DHCP amendment instruction, according to described
DHCP amendment instruction is revised the configuration letter that information is dynamically revised in DHCP service configuration file
Breath；Wherein, described amendment information include pre-installation configuration PXE client IP address and
Installing the address of boot configuration file, dynamic amended configuration information also includes pre-installation configuration
PXE client IP address and install boot configuration file address；
Communication unit 403, for sending in the PXE client receiving described pre-installation configuration
DHCP request message after, to described PXE client return dhcp response message, described
Dhcp response message includes the configuration information in current DHCP service configuration file, so that institute
State PXE client according to the IP address in described configuration information and the ground of installation boot configuration file
Location is downloaded and is installed boot configuration file, and completes self by described installation boot configuration file
PXE installs configuration.
In the specific implementation, described DHCP amendment instruction includes some groups of amendment information,
Often group amendment information includes the IP address of multiple PXE client pre-installing configuration, and
Multiple ground pre-installing same installation boot configuration file corresponding to the PXE client configured
Location.
In the specific implementation, described DHCP amendment instruction includes some groups of amendment information,
Often group amendment information includes the IP address of multiple PXE client pre-installing configuration, and
Each pre-installs the address of installation boot configuration file corresponding to the PXE client configured.
In the specific implementation, in described often group amendment information, also include and each described pre-installation
The identification information of the PXE client of the IP address binding of the PXE client of configuration.
In the specific implementation, including: the identification information of described PXE client is PXE client
MAC Address.
The PXE server introduced due to the present embodiment is can to perform in the embodiment of the present invention
The device of automatic installation and deployment method based on PXE, so being situated between based in the embodiment of the present invention
Based on PXE the automatic installation and deployment method continued, those skilled in the art will appreciate that this
The detailed description of the invention of the PXE server of embodiment and its various versions, so at this
How this PXE server is realized to based on PXE the automatic installation portion in the embodiment of the present invention
Arranging method is no longer discussed in detail.As long as those skilled in the art implement in the embodiment of the present invention
The device that automatic installation and deployment method based on PXE is used, broadly falls into the application and is intended to protect
Scope.
Device embodiment described above is only schematically, wherein said as separated part
The unit of part explanation can be or may not be physically separate, shows as unit
Parts can be or may not be physical location, i.e. may be located at a place, or also
Can be distributed on multiple NE.Can select according to the actual needs part therein or
The whole module of person realizes the purpose of the present embodiment scheme.Those of ordinary skill in the art are not paying
In the case of going out performing creative labour, i.e. it is appreciated that and implements.
Through the above description of the embodiments, those skilled in the art it can be understood that
The mode of required general hardware platform can be added by software to each embodiment to realize, certainly
Hardware can also be passed through.Based on such understanding, technique scheme is the most in other words to existing
The part having technology to contribute can embody with the form of software product, and this computer is soft
Part product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, light
Dish etc., including some instructions with so that computer equipment (can be personal computer,
Server, or the network equipment etc.) perform some part institute of each embodiment or embodiment
The method stated.
The present invention will be described rather than carries out the present invention to it should be noted above-described embodiment
Limit, and those skilled in the art without departing from the scope of the appended claims may be used
Design alternative embodiment.In the claims, any reference between bracket should not will be located in
Symbol construction becomes limitations on claims.Word " comprises " not exclude the presence of and is not listed in right
Element in requirement or step.Word "a" or "an" before being positioned at element is not excluded for
There is multiple such element.The present invention can be by means of the hardware including some different elements
And realize by means of properly programmed computer.If listing the unit right of equipment for drying
In requirement, several in these devices can be specifically to be embodied by same hardware branch.
Word first, second and third use do not indicate that any order.Can be by these words
It is construed to title.
Last it is noted that above example is only in order to illustrate technical scheme, and
Non-to its restriction；Although the present invention being described in detail with reference to previous embodiment, ability
The those of ordinary skill in territory is it is understood that it still can be to the skill described in foregoing embodiments
Art scheme is modified, or wherein portion of techniques feature is carried out equivalent；And these are repaiied
Change or replace, not making the essence of appropriate technical solution depart from various embodiments of the present invention technical side
The spirit and scope of case.
Claims (10)
1. an automatic installation and deployment method based on PXE, it is characterised in that including:
After receiving open command, open DHCP, TFTP and FTP service；
After receiving DHCP amendment instruction, revise information according in described DHCP amendment instruction
The dynamically configuration information in amendment DHCP service configuration file；Wherein, described amendment information includes
The IP address of the PXE client of pre-installation configuration and the address of installation boot configuration file, dynamically
Amended configuration information also includes IP address and the installation of the PXE client of pre-installation configuration
The address of boot configuration file；
After the DHCP request message that the PXE client receiving described pre-installation configuration sends,
Returning dhcp response message to described PXE client, described dhcp response message includes currently
Configuration information in DHCP service configuration file, so that described PXE client is according to described configuration
IP address and the address of installation boot configuration file in information are downloaded and are installed boot configuration file,
And the PXE installation configuration of self is completed by described installation boot configuration file.
2. the method for claim 1, it is characterised in that described DHCP amendment instruction bag
Include some groups of amendment information,
Often group amendment information includes the IP address of multiple PXE client pre-installing configuration, Yi Jiduo
The individual address pre-installing same installation boot configuration file corresponding to the PXE client configured.
3. the method for claim 1, it is characterised in that described DHCP amendment instruction bag
Include some groups of amendment information,
Often group amendment information includes the IP address of PXE client of multiple pre-installation configuration, and often
One address pre-installing installation boot configuration file corresponding to the PXE client configured.
4. the method as described in claim 2-3 is arbitrary, it is characterised in that described often group amendment letter
In breath, also include the PXE of the IP address binding of the PXE client configured with each described pre-installation
The identification information of client.
5. method as claimed in claim 4, it is characterised in that including: described PXE client
The MAC Address that identification information is PXE client of end.
6. a PXE server, it is characterised in that including:
Unit is opened in service, for after receiving open command, open DHCP, TFTP and
FTP service；
Configuration modification unit, for after receiving DHCP amendment instruction, according to described DHCP
Information is revised in amendment instruction and dynamically revises the configuration information in DHCP service configuration file；Its
In, described amendment information includes the IP address of the PXE client of pre-installation configuration and installs guiding
The address of configuration file, dynamic amended configuration information also includes the PXE visitor of pre-installation configuration
The IP address of family end and the address of installation boot configuration file；
Communication unit, for send in the PXE client receiving described pre-installation configuration
After DHCP request message, return dhcp response message, described DHCP to described PXE client
Response message includes the configuration information in current DHCP service configuration file, so that described PXE is objective
Family end downloads peace according to the address of the IP address in described configuration information and installation boot configuration file
Dress boot configuration file, and the PXE installation of self is completed by described installation boot configuration file
Configuration.
7. server as claimed in claim 6, it is characterised in that described DHCP revises instruction
Including some groups of amendment information,
Often group amendment information includes the IP address of multiple PXE client pre-installing configuration, Yi Jiduo
The individual address pre-installing same installation boot configuration file corresponding to the PXE client configured.
8. server as claimed in claim 6, it is characterised in that described DHCP revises instruction
Including some groups of amendment information,
Often group amendment information includes the IP address of PXE client of multiple pre-installation configuration, and often
One address pre-installing installation boot configuration file corresponding to the PXE client configured.
9. the server as described in claim 7-8 is arbitrary, it is characterised in that described often organize amendment
In information, also include and each described IP address binding pre-installing the PXE client configured
The identification information of PXE client.
10. server as claimed in claim 9, it is characterised in that including: described PXE visitor
The identification information of family end is the MAC Address of PXE client.
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