InstallOracle9204onCentOS42联机文档文档格式.docx
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InstallOracle9204onCentOS42联机文档文档格式.docx
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BeforeyoucangetstartedlearninghowtoadministerOracle,you'
llneedtoinstallit.OnWindows,thiscrucialstepgenerallyinvolvesclicking[Next]halfadozentimes,andmakingyourselfacupoftea(andI'
monlyhalf-kidding!
).OnLinux,andUnixgenerally,however,thingsarenowherenearassimple,andmuchdependsonpreparingthingscorrectlyiftheOracleinstallationistogosmoothly-andit'
stodocumentthosepreparationstepsproperlythatI'
vewrittenthisarticle.
Ofcourse,anyonethatdecidestoinstallOracleonLinuxhastoanswerthequestion:
whatLinuxdistroshouldbeused?
Myusualanswertothatquestionhaslongbeen'
RedHatEnterpriseServer3or4,orafreeclonethereof'
forthesimplereasonthatyouwon'
tfindOracleinstalledonmuchelsebywayofLinuxdistrosintherealworld.ItmightbefungettingOracleworkingonMandriva2006,Mepis,FedoraCore4orwhathaveyou(orevenonsomethinglikeFreeBSD),butyouwon'
teverseethoseplatformsinaproductionserverroom,soreally:
what'
sthepoint?
TheproperRedHatEnterpriseServersoftwarecostsrealmoney,though-quitealotofit,infact.SointhisarticleI'
mgoingtobeusingoneofthosefreeclonesofitIjustmentioned.Specifically,I'
llbeusingacopyofCentos4.2,thelatestversionoftheCommunityEnterpriseOperatingSystem,whichcanbedownloadedfornocashatall.CentosiscompiledfromRedHat'
sownsourcecode(whichhastobemadefreelyavailabletoanyonethatwantsit,ofcourse:
thebeautyoftheGPL),soit'
sasidenticaltotherealthingasyoucanreasonablyget.
TherearealotofotherRedHatclonesoutthere:
WhiteBox,forexample;
orLineox;
orTaoLinux;
orScientificLinux...Youcanuseanyoralloftheseifyouchoose,andtheinstructionsinthisarticlewillbeequallyasapplicabletothemastoCentos-orindeedtoRedHatEnterpriseServer4itself.IhappentolikeCentosthesedaysbecauseagoodsupportcommunityhasbuiltuparoundit,anditthereforeisn'
tquitetheone-man-bandaffairthat,say,WhiteBoxseemstobe.Butthat'
snottodisparagethoseotherdistros,soifyou'
reusingthoseinstead,keepondoingwhateversuitsyou!
Youwillnodoubthavenoticed,too,thatthisarticleisaboutinstallingOracleversion9i-andit'
sreasonabletoaskwhyI'
mdocumentingtheinstallationofan"
old"
Oracleversion,ratherthantheshinynew10g!
Well,theanswertothatcomesinthreeparts:
first,9iisstillasupportedOracleversion,soit'
saperfectlylegitimateandsensiblethingtobeinstallingitafreshthesedays;
second,thisdocumentisactuallyare-workingandarefreshofanarticleIfirstwrotebackin2002;
andthird,anotherarticleentirelyexplainshowtoinstallversion10gonCentos,soit'
snotlikeI'
veforgotten10gexists!
(That10garticlewillsoonitselfbere-workedtobringitintothenewsitestyle...giveitjustafewdays!
)
IshouldprobablyalsomentionbeforeIstartthatthemachineonwhichCentos/RedHat/WhateverandOraclearetobeinstalledshouldbeareasonablycapableone:
ifitdoesn'
thaveatleast512MBofRAMand6GBoffreeharddiskspace,itshouldbeconsideredinadequate,andthingsarelikelytogowrongornotworkatall.
2.0InstallingCentos
Iwon'
tbediscussingeveryaspectofinstallingCentos,onthegroundsthatit'
sgenerallyprettystraightforward!
Iwouldjustremindyoutomakesureyou'
reinstallingthe4.2releaseofCentos,andnotsomeearlierone.I'
dalsopointoutthatyouwillwanttoselecttheCustomInstallationTypewhenprompted,becauseyou'
llneedtotailorthesetofpackagestobeloadedontoyourserver.Whenitcomestodiskpartitioning,youcangenerallyletCentosautomatethepartitioningscheme-butmakesurethatwhateveritproposesincludesatleast1GBofswapspace:
You'
llnoticeherethatIwashappytoletCentosorganisemydiskspaceintoasinglelogicalvolumegroup,internallysplitinto1GBfortheswappartition,and7GBforeverythingelse(plusatinybootpartitionthat'
soutsideofthelogicalvolume).Youshouldaimtodosomethingbroadlysimilar.
AnotherimportantpartoftheCentosinstallationthatyouneedtogetrightisthisone:
IdoactuallyuseaDHCPserverathome,butyoumustneveruseDHCPforamachinethatistoactasanOracleServer.AnotherarticleIwrotesometimeagowillexplainwhy.Soyouseemehereeditingthenetworkinterfacesettingsanddeliberatelyde-selectingtheConfigureusingDHCPoptionwhichisunfortunatelyswitchedonbydefault.IthenspecifyafixedIPaddressthatsuitsmyhomenetworksetup-butyouwouldobviouslyenterwhateveraddressmadesenseforyourownuniquec
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