Red Hat ENTERPRISE LINUX 3 - USING GCC Manual do Utilizador descarregar pdf (Página 8)

RedHatEnterpriseLinuxDesktopincludesafullupdateofallthemajorcomponent

packages,andmanynewfeatures.MajorcomponentsincludeGNOME2.16,GTK2.10,Cups

1.2,andX.org7.1.Newfeaturesinclude:

GCC 4.1 Compiler

RedHatEnterpriseLinux5isbuiltusingthelatestversionoftheindustry-standard

GNUCompilerCollectiontoolchain.Thedistributionisbuiltusingthefortify-sourcecompiler

ag,whichprovidesmorestringentrun-timebufferboundschecking,therebyaddingtooverall

systemsecurity.

AnumberofenhancementsareprovidedinGCC4.1andGlibc2.4forISVdevelopersand

thosedeployingapplications.Portabilityiseasedsignicantlyduetogreaterstandards

compliance.Thetoolchainalsoprovidescapabilitiesfor32-bitapplicationstorunon64-bit

systemsandyieldsbetteroveralloptimization,particularlyon64-bitarchitectures.RedHat

EnterpriseLinux5includescompatibilitylibrariesthatenableapplicationsthatwerepreviously

certiedontheversions3and4torunwithoutrecompilation.Third-partyapplicationscanbe

certiedonversion5usingtheexistingbinaryexecutablewiththecompatibilitylibrariesor

usingarecompiledbinarythatwillbenetfromthenewcapabilitiesintherelease.

Systemtap and Frysk

AmajorgoalofRedHatEnterpriseLinux5istoprovideindustry-leadingapplication

developmenttools.Twoimportantnewfeaturesinclude:

•Systemtap–providesfunctionalitythatissimilartoSolarisDtrace–aninfrastructureto

simplifythegatheringofinformationabouttherunningkernel.Thisassistsdiagnosisofa

performanceorfunctionalproblem.Systemtapeliminatestheneedfordeveloperstogo

throughthetediousanddisruptiveinstrument,recompile,install,andrebootsequencethat

maybeotherwiserequiredtocollectdata.SystemtapprovidesbothGUIandcommandline

interfaces,andapowerfulscriptinglanguageforwritinginstrumentationforaliverunning

kernel.SystemtapistheresultofacollaborationbetweenRedHat,IBM,IntelandHitachi,and

isundergoingrapiddevelopment.ItisprovidedinRedHatEnterpriseLinux5asatechnology

preview.

•Frysk–providesanintelligent,distributed,always-onsystemmonitoringanddebuggingtool

thatallowsdevelopersandsystemadministratorstomonitorrunningprocessesandthreads

(includingcreationanddestructionevents),monitortheuseoflockingprimitives,expose

deadlocks,gatherdata,anddebuganygivenprocess.

Network Manager

NetworkManagerisanewconguratorthatautomaticallydetectsandcongures

wirelessandwirednetworks.NetworkManagereliminatesmanualnetworkconguration.

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 What’s New in Red Hat Enterprise Linux 5

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