Red Hat LINUX VIRTUAL SERVER 5.1 - ADMINISTRATION Manual de usuario descargar pdf (Pagina 24)

Getting Started with vSphere Command-Line Interfaces

24 VMware, Inc.

Followoneofthefollowingapproachesforprotectingpasswords.

 IfyouuseavCLIcommandinteractivelyanddonotspecifyausernameandpassword,youareprompted

forthem.Thescreendoesnotechothepasswordyoutype.

 Fornoninteractiveuse,youcancreateasessionfileusingthesave_sessionscriptincludedinthe

apps/sessiondirectory.See“UsingaSessionFile”onpage 24.

 IfyouarerunningonaWindowssystem,youcanusethe--passthroughauthoption.Iftheuserwho

runsthecommandwiththatoptionisknown,nopasswordisrequired.

IfyouarerunningvMA,youcansetuptargetserversandrunmostvCLIcommandsagainsttargetservers

withoutadditional

authentication.SeethevSphereManagementAssistantGuide.

Specifying Authentication Information

vCLIallowsyoutorunagainstmultipletargetserversfromthesameadministrationserver.Youmusthave

thecorrectprivilegestoperformtheactionsoneachtarget.

Order of Precedence for vCLI Authentication

WhenyourunavCLIcommand,authenticationhappensintheorderofprecedenceshowninTable 3‐1.This

orderofprecedencealwaysapplies.Thatmeans,forexample,thatyoucannotoverrideanenvironment

variablesettinginaconfigurationfile.

Using a Session File

Youcancreateasessionfilewiththesave_sessionscript.Thescriptisinthe/apps/sessiondirectoryof

thevSphereSDKforPerl,whichisincludedinthevCLIpackage.Youcanusethesessionfile,whichdoesnot

revealpasswordinformation,whenyourunvCLIcommands.Ifthesessionfile

isnotusedfor30 minutes,it

expires.

Ifyouuseasessionfile,otherconnectionoptionsareignored.

MPORTANTvCLI4.1andlaterallowsadministratorstoplaceESXihostsinlockdownmodeforenhanced

security.OnlyavCLIcommandoravSphereClientconnectedtoavCenterServersystemcanmakechanges

toESXihostsinlockdownmode.Nousers,noteventherootuser,canrunvCLIcommands

againstESXihosts

inlockdownmode.See“vCLIandLockdownMode”onpage 27andtheDatacenterAdministrationGuide.

Table 3-1. vCLI Authentication Precedence

Authentication Description See

Commandline Password(--password),sessionfile

(--sessionfile),orconfigurationfile

(--config)specifiedonthecommandline.

“UsingaSessionFile”onpage 24

Environment

variable

Passwordspecifiedinanenvironmentvariable. “UsingEnvironmentVariables”onpage 25

Configurationfile Passwordspecifiedinaconfigurationfile. “UsingaConfigurationFile”onpage 25

Currentaccount



(ActiveDirectory)

Currentaccountinformationusedtoestablish

anSSPIconnection.AvailableonlyonWindows.

“UsingMicrosoftWindowsSecuritySupport

ProviderInterface”onpage 27

Credentialstore Passwordretrievedfromthecredentialstore. vSphereWebServicesSDKProgrammingGuide

andvSphereSDKforPerlProgrammingGuide.

Prompttheuserfor

apassword.

Passwordis

notechoedtoscreen.

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Red Hat LINUX VIRTUAL SERVER 5.1 - ADMINISTRATION Manual de usuario Pagina 24

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