
Chapter5.WorkingwithUpdateRetriever
ThischapterprovidesinformationaboutsettingupandusingUpdateRetriever.
AboutUpdateRetriever
UpdateRetrieverenablesyoutodownloadupdatepackagesfromtheLenovoHelpCenterWebsitetoa
networksharerepositoryfolder.Yourrepositoryfolderprovidesthestorageforupdatepackages.Once
configured,SystemUpdatecansearchyourrepositoryforupdatepackages.Thisallowsgreatercontrolof
theupdatesthatareavailableoveryournetwork.
Youcanmanuallyinitiatethesearchforupdatesorscheduleanautomaticsearchfornewpackagesata
specifiedtimeinterval.Ifperforminganautomaticsearch,youcanconfigureUpdateRetrievertoprovide
notificationwhennewupdatesarefoundsoyoucanmanuallyinitiatethedownloadortoautomatically
downloadthenewupdatesandprovidenotificationwhendownloadingiscomplete.
Aboutupdatepackages
UpdateRetrieverenablesyoutomodifyorcreateupdatepackages.Anupdatespackageconsistsofa
self-extractinginstallerprogram,anXMLdescriptorfilethatdefinestheupdate,oneormoreNLSreadme
files,anypackagelicensefile,andanyoptionaldetectionmodules.EachupdatepackagehasanXML
descriptorfilethatcontainsmetadatausedtodescribetheconditionsthatmustexistontheclientcomputer
andhowtoinstalltheupdateontheclientcomputer.Ifanupdatemeetstherequirementsyoudefinedinthe
XMLdescriptorfile,itisconsideredanapplicableupdateforthetargetedsystem.AnXMLdescriptorfile
containsthenecessaryinformationforanupdatepackagetoberecognizedandhandledbySystemUpdate.
Note:Tomodifyanupdatepackage,youmustuseUpdateRetrievertoedittheXMLdescriptorfile.For
moreinformation,seetheUpdateRetrieverhelpsystem.
ThefollowinglistprovidesthemetadataofanupdatepackagethatyoucancustomizeusingUpdate
Retriever:
•Packageidentity
–PackageID
–Name
–Version
–Vendor
–Releasedate
–Diskspaceneededtoinstallthepackage
–Title,description,summary,andlanguageofapackage
–Versiondetection
–Targetapplications
•Installationdetection
–Add/Removeprograms
–BIOS
–BIOSdate
–CPUaddresswidth
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