VMware Workstation 7 Manual de usuario descargar pdf (Pagina 129)

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Chapter 5 Installing and Using VMware Tools

Passing a String from the Host to the Guest at Startup

Topassastringfromthehosttotheguestatstartup,youpassthestringfromyour

virtualmachine’sconfigurationfileinthehosttotheguestoperatingsystemwhenyou

poweronthevirtualmachine.

YoucanpassitemsliketheWindowssystemID(SID),amachinename,oran

addr

ess.Insidetheguestoperatingsystemstartupscript,youcanhavetheservice

retrievethisstring.Thestringcanthenbeusedinanotherscripttosetyourvirtual

machine’ssystemID,machinename,orIPaddress.

Usethisstrategy,forexample,tomakecopiesofthesameconfigurationfile,adda

diffe

rentstringtoeach(eitherintheconfigurationfileitselforatthecommandline),

andusethesevariationsofthesameconfigurationfiletolaunchthesamevirtualdisk

innonpersistentmodemultipletimesinatrainingortestingenvironment.

Passingastringisalsousefulwhenyouwanttode

ployvirtualmachinesonanetwork

usingacommonconfigurationfilewhileprovidingeachmachinewithitsownunique

identity.

Youcanpassstringstoavirtualmachine’sguestoperatingsysteminoneoftwoways:

placingthestringinthevirtualmachine’sconfigurationfileorpassingthestringtothe

gues

tfromthecommandline.

Usethisfeatureonlyifyouhaveagoodunderstandingofascriptinglanguage(for

example,PerlorNetShell)andknowhowtomodifysystemstartupscripts.

String in a Configuration File

Placeastringinthevirtualmachine’sconfigurationfile(.vmxfile)bysettingthestring

tothemachine.idparameter.Forexample,youcansetthisstring:

machine.id = "Hello World."

Followingisanexampleofportionsoftwoconfigurationfilesthatpointtothesame

virtualdisk.Eachconfigurationfilecontainsitsownuniquestringsetforthe

machine.idparameter.

config_file_1.vmxcontains:

ide0:0.present = TRUE

ide0:0.fileName = "my_common_virtual_hard_drive.vmdk"

machine.id = "the_string_for_my_first_vm"

config_file_2.vmxcontains:

ide0:0.present = TRUE

ide0:0.fileName = "my_common_virtual_hard_drive.vmdk"

machine.id = "the_string_for_my_second_vm"

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VMware Workstation 7 Manual de usuario Pagina 129