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1Oracle®DatabaseQuickInstallationGuide11gRelease1(11.1)forLinuxx86B32281-09November2010ThisguidedescribeshowtoquicklyinstallOracleDatabase11gonLinuxx86systems.Itincludesinformationaboutthefollowing:■ReviewingInformationAboutThisGuide■LoggingIntotheSystemasroot■CheckingtheHardwareRequirements■CheckingtheSoftwareRequirements■CreatingRequiredOperatingSystemGroupsandUsers■ConfiguringKernelParameters■CreatingRequiredDirectories■ConfiguringtheoracleUser’sEnvironment■MountingtheProductDisc■InstallingOracleDatabase■InstallingOracleDatabaseExamples■WhattoDoNext?■AdditionalInformation■DocumentationAccessibility1ReviewingInformationAboutThisGuideThisguidedescribeshowtoinstallOracleDatabasebyusingthedefaultinstallationoptions.TasksDescribedinThisGuideTheproceduresinthisguidedescribehowto:■ConfigureyoursystemtosupportOracleDatabase■InstallOracleDatabaseonalocalfilesystembyusingtheBasicInstallationoption■Configureageneral-purposeOracleDatabaseinstallationthatusesthelocalfilesystemfordatabasefilestorageResultsofaSuccessfulInstallationAfteryousuccessfullyinstallOracleDatabase:2■ThedatabasethatyoucreatedandthedefaultOracleNetlistenerprocessrunonthesystem.■OracleEnterpriseManagerDatabaseControlrunonthesystemandcanbeaccessedbyusingaWebbrowser.TasksNotDescribedinThisGuideThisguidecoverstheBasicInstallationscenarioanddoesnotdescribehowtocompletethefollowingtasks:■UsingtheAdvancedInstallationoptiontoinstallthesoftware■InstallingthesoftwareonasystemthathasanexistingOraclesoftwareinstallation■InstallingOracleClusterwareandOracleRealApplicationClustersonacluster■EnablingEnterpriseManagere-mailnotificationsorautomatedbackups■UsingalternativestorageoptionssuchasAutomaticStorageManagementWheretoGetAdditionalInstallationInformationFormoreinformationaboutinstallingOracleDatabase,includinginformationaboutthetasksnotdescribedinthisguide,refertooneofthefollowingguides:■Toinstallthesoftwareonasinglesystem,thenrefertoOracleDatabaseInstallationGuideforLinux.■ToperformaOracleRealApplicationClustersinstallation,thenrefertoOracleClusterwareInstallationGuideforLinuxandOracleRealApplicationClustersInstallationGuideforLinuxandUNIX.TheseguidesdescribehowtoinstallOracleClusterwareandOracleRealApplicationClusters.OracleclusterwareisaprerequisiteforOracleRealApplicationClustersinstallations.Alltheseguidesareavailableontheproductdisc.Toaccessthem,useaWebbrowsertoopenthewelcome.htmfilelocatedinthetop-leveldirectoryoftheinstallationmedia,andthenselecttheDocumentationtab.2LoggingIntotheSystemasrootBeforeyouinstalltheOraclesoftware,youmustcompleteseveraltasksastherootuser.Tologinastherootuser,completeoneofthefollowingprocedures:■FollowingarethestepsforinstallingthesoftwarefromanXWindowSystemworkstationorXterminal:1.Startalocalterminalsession,forexample,anXterminal(xterm).2.Ifyouarenotinstallingthesoftwareonthelocalsystem,thenenterthefollowingcommandtoenabletheremotehosttodisplayXapplicationsonthelocalXserver:$xhostfully_qualified_remote_host_nameForexample:Note:YoumustinstallthesoftwarefromanXWindowSystemworkstation,anXterminal,oraPCorothersystemwithXserversoftwareinstalled3$xhostsomehost.us.example.com3.Ifyouarenotinstallingthesoftwareonthelocalsystem,thenusethessh,rlogin,ortelnetcommandtoconnecttothesystemwhereyouwanttoinstallthesoftware:$telnetfully_qualified_remote_host_name4.Ifyouarenotloggedinastherootuser,thenenterthefollowingcommandtoswitchusertoroot:$sudoshpassword:#■FollowingarethestepsforinstallingthesoftwarefromaPCorothersystemwithXserversoftware:1.StarttheXserversoftware.2.ConfigurethesecuritysettingsoftheXserversoftwaretopermitremotehoststodisplayXapplicationsonthelocalsystem.3.Connecttotheremotesystemwhereyouwanttoinstallthesoftwareandstartaterminalsessiononthatsystem,forexample,anXterminal(xterm).4.Ifyouarenotloggedinastherootuserontheremotesystem,thenenterthefollowingcommandtoswitchusertoroot:$sudoshpassword:#3CheckingtheHardwareRequirementsThesystemmustmeetthefollowingminimumhardwarerequirements:■MemoryRequirements■DiskSpaceRequirements3.1MemoryRequirementsThefollowingarethememoryrequirementsforinstallingOracleDatabase11grelease1:■Atleast1GBofphysicalRAMTodeterminethephysicalRAMsize,enterthefollowingcommand:#grepMemTotal/proc/meminfoIfthesizeofthephysicalRAMislessthantherequiredsize,thenyoumustinstallmorememorybeforecontinuing.Note:Ifnecessary,refertoyourXserverdocumentationformoreinformationaboutcompletingthisprocedure.DependingontheXserversoftwarethatyouareusing,youmayneedtocompletethetasksinadifferentorder.4■ThefollowingtabledescribestherelationshipbetweeninstalledRAMandtheconfiguredswapspacerequirement:■Todeterminewhetherthesystemarchitecturecanrunthesoftware,enterthefollowingcommand:#grepmodelname/proc/cpuinfoTodeterminethesizeoftheconfiguredswapspace,enterthefollowingcommand:#grepSwapTotal/proc/meminfoIfnecessary,refertotheoperatingsystemdocumentationforinformationabouthowtoconfigureadditionalswapspace.TodeterminetheavailableRAMandswapspace,enterthefollowingcommand:#freeAutomaticMemoryManagementStartingwithOracleDatabase11g,theAutoma