Oracle Quick Installation Guide for Linux x86-64

1Oracle®DatabaseQuickInstallationGuide11gRelease2(11.2)forLinuxx86-64E16768-04December2010ThisguidedescribeshowtoquicklyinstallOracleDatabase11gRelease2(11.2)onLinuxx86-64systems.Itincludesinformationaboutthefollowing:■ReviewingInformationAboutThisGuide■LoggingIntotheSystemasroot■CheckingtheHardwareRequirements■CheckingtheSoftwareRequirements■CreatingRequiredOperatingSystemGroupsandUsers■ConfiguringKernelParameters■CreatingRequiredDirectories■ConfiguringtheoracleUser’sEnvironment■MountingtheProductDisc■InstallingOracleDatabase■InstallingOracleDatabaseExamples■WhattoDoNext?■AdditionalInformation■DocumentationAccessibility1ReviewingInformationAboutThisGuideThisguidedescribeshowtoinstallOracleDatabasebyusingthedefaultinstallationoptions.TasksDescribedinThisGuideTheproceduresinthisguidedescribehowto:■ConfigureyoursystemtosupportOracleDatabase■InstallOracleDatabaseonalocalfilesystembyusingtheTypicalInstallationoption■Configureageneral-purposeOracleDatabaseinstallationthatusesthelocalfilesystemfordatabasefilestorageResultsofaSuccessfulInstallationAfteryousuccessfullyinstallOracleDatabase:2■ThedatabasethatyoucreatedandthedefaultOracleNetlistenerprocessrunonthesystem.■OracleEnterpriseManagerDatabaseControlrunonthesystemandcanbeaccessedbyusingaWebbrowser.TasksNotDescribedinThisGuideThisguidecoverstheTypicalInstallationscenarioanddoesnotdescribehowtocompletethefollowingtasks:■UsingtheAdvancedInstallationoptiontoinstallthesoftware■InstallingthesoftwareonasystemthathasanexistingOraclesoftwareinstallation■InstallingOracleClusterwareandOracleRealApplicationClustersonacluster■EnablingEnterpriseManagere-mailnotificationsorautomatedbackups■UsingalternativestorageoptionssuchasOracleAutomaticStorageManagement■InstallingandconfiguringOracleGridInfrastructureWheretoGetAdditionalInstallationInformationFormoreinformationaboutinstallingOracleDatabase,includinginformationaboutthetasksnotdescribedinthisguide,refertooneofthefollowingguides:■Ifyouwanttoinstallthesoftwareonasinglesystem,thenrefertoOracleDatabaseInstallationGuideforLinux.■IfyouwanttoinstallOracleGridInfrastructureforastandaloneserver,thenrefertotheOracleGridInfrastructurechapterinOracleDatabaseInstallationGuideforLinux.■IfyouwanttoperformaOracleRealApplicationClustersinstallation,thenrefertoOracleGridInfrastructureInstallationGuideforLinuxandOracleRealApplicationClustersInstallationGuideforLinuxandUNIX.TheseguidesdescribehowtoinstallOracleClusterwareandOracleRealApplicationClusters.OracleClusterwareisaprerequisiteforOracleRealApplicationClustersinstallations.Alltheseguidesareavailableontheproductdisc.Toaccessthem,useaWebbrowsertoopenthewelcome.htmfilelocatedinthetop-leveldirectoryofthemedia.Platform-specificdocumentationisavailableinPDFandHTMLformatsintheDocumentationsection..2LoggingIntotheSystemasrootBeforeyouinstalltheOraclesoftware,youmustcompleteseveraltasksastherootuser.Tologinastherootuser,completeoneofthefollowingprocedures:■FollowingarethestepsforinstallingthesoftwarefromanXWindowSystemworkstationorXterminal:1.Startalocalterminalsession,forexample,anXterminal(xterm).Note:YoumustinstallthesoftwarefromanXWindowSystemworkstation,anXterminal,oraPCorothersystemwithXserversoftwareinstalled32.Ifyouarenotinstallingthesoftwareonthelocalsystem,thenenterthefollowingcommandtoenabletheremotehosttodisplayXapplicationsonthelocalXserver:$xhostfully_qualified_remote_host_nameForexample:$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■SystemArchitecture■DiskSpaceRequirementsNote:Ifnecessary,refertoyourXserverdocumentationformoreinformationaboutcompletingthisprocedure.DependingontheXserversoftwarethatyouareusing,youmayneedtocompletethetasksinadifferentorder.43.1MemoryRequirementsThefollowingarethememoryrequirementsforinstallingOracleDatabase11gRelease2(11.2):■Atleast4GBofRAMTodeterminetheRAMsize,enterthefollowingcommand:#grepMemTotal/proc/meminfoIfthesizeoftheRAMislessthantherequiredsize,thenyoumustinstallmorememorybeforecontinuing.■ThefollowingtabledescribestherelationshipbetweeninstalledRAMandtheconfiguredswapspacerecommendation:■Todeterminewhetherthesystemarchitecturecanrunthesoftware,enterthefollowingcommand:#uname-mTodeterminethesizeoftheconfiguredswapspace,entert