
RedHatEnterpriseLinuxDesktopincludesafullupdateofallthemajorcomponent
packages,andmanynewfeatures.MajorcomponentsincludeGNOME2.16,GTK2.10,Cups
1.2,andX.org7.1.Newfeaturesinclude:
GCC 4.1 Compiler
RedHatEnterpriseLinux5isbuiltusingthelatestversionoftheindustry-standard
GNUCompilerCollectiontoolchain.Thedistributionisbuiltusingthefortify-sourcecompiler
ag,whichprovidesmorestringentrun-timebufferboundschecking,therebyaddingtooverall
systemsecurity.
AnumberofenhancementsareprovidedinGCC4.1andGlibc2.4forISVdevelopersand
thosedeployingapplications.Portabilityiseasedsignicantlyduetogreaterstandards
compliance.Thetoolchainalsoprovidescapabilitiesfor32-bitapplicationstorunon64-bit
systemsandyieldsbetteroveralloptimization,particularlyon64-bitarchitectures.RedHat
EnterpriseLinux5includescompatibilitylibrariesthatenableapplicationsthatwerepreviously
certiedontheversions3and4torunwithoutrecompilation.Third-partyapplicationscanbe
certiedonversion5usingtheexistingbinaryexecutablewiththecompatibilitylibrariesor
usingarecompiledbinarythatwillbenetfromthenewcapabilitiesintherelease.
Systemtap and Frysk
AmajorgoalofRedHatEnterpriseLinux5istoprovideindustry-leadingapplication
developmenttools.Twoimportantnewfeaturesinclude:
•Systemtap–providesfunctionalitythatissimilartoSolarisDtrace–aninfrastructureto
simplifythegatheringofinformationabouttherunningkernel.Thisassistsdiagnosisofa
performanceorfunctionalproblem.Systemtapeliminatestheneedfordeveloperstogo
throughthetediousanddisruptiveinstrument,recompile,install,andrebootsequencethat
maybeotherwiserequiredtocollectdata.SystemtapprovidesbothGUIandcommandline
interfaces,andapowerfulscriptinglanguageforwritinginstrumentationforaliverunning
kernel.SystemtapistheresultofacollaborationbetweenRedHat,IBM,IntelandHitachi,and
isundergoingrapiddevelopment.ItisprovidedinRedHatEnterpriseLinux5asatechnology
preview.
•Frysk–providesanintelligent,distributed,always-onsystemmonitoringanddebuggingtool
thatallowsdevelopersandsystemadministratorstomonitorrunningprocessesandthreads
(includingcreationanddestructionevents),monitortheuseoflockingprimitives,expose
deadlocks,gatherdata,anddebuganygivenprocess.
Network Manager
NetworkManagerisanewconguratorthatautomaticallydetectsandcongures
wirelessandwirednetworks.NetworkManagereliminatesmanualnetworkconguration.
What’s New in Red Hat Enterprise Linux 5
StandardS ComplianCe
development toolS
eaSe of uSe
Comentarios a estos manuales