Red Hat ENTERPRISE LINUX 3 - USING GCC Manual do Utilizador descarregar pdf (Página 4)

Theresultisahighlyexibleandmanagableenvironmentthatpermitscustomerstofully

realizethebenetsofvirtualization.

RedHatEnterpriseLinuxAdvancedPlatformintegratestheRedHatstorageandclustering

capabilities:RedHatGlobalFileSystem(GFS)andRedHatClusterSuite.RedHatGFS

providesamulti-guestandmulti-hostshareablelesystemandlogicalvolumemanager

thatallowapplicationdatatobesecurelyaccessedandsharedbyanyguestfromanysystem.

RedHatClusterSuiteprovidesfailoverateithertheapplicationorvirtualmachinelevel.

Additionally,RedHatEnterpriseLinuxAdvancedPlatformsupportsanunlimitednumberof

guestoperatingsystems.RedHatEnterpriseLinuxAdvancedPlatformprovidesthe

industry’smostcompleteandeffectivevirtualizedenvironment.

•Red Hat Enterprise Linux:Providesfullservervirtualizationcapbilities,supportingupto

fourguestoperatingsystems.

Bothproductsprovidenewvirtualizationmanagementcapabilities:

•libvirt/virsh-astandardizedlibrarythatallowsapplicationstomanagethevirtualized

environmentinastandard,consistentmanner.IdealforCIMproviders,libvirthasbindings

forC/C++andPython.Virsh,orvirtualshell,providesascriptablemanagementinterfacefor

libvirt.

•VirtManager-asophisticatedGUI-basedtoolformanagementofavirtualizedsystem.

Security enhancements

ProvidingthehighestlevelsofsecurityisanoverridinggoaloftheRedHat

EnterpriseLinuxfamily.Buildingontheexcellentcapabilitiesofprevious

releases,version5includesanumberofenhancements.

Security-EnhancedLinux(SELinux)nowprovidessupportforMLS(MultiLevelSecurity)

policies.ThiswillenableRedHatEnterpriseLinux5toobtainUSGovernmentEAL4+/LSPP

(EvaluationAssuranceLevel/LabeledSecurityProtectionProle)inadditiontotheexisting

EAL4+/CAPPcertication.ThismeansthatRedHatEnterpriseLinuxwillofferthehighest

levelofsecurityclearanceofanymainstreamoperatingsystem.

AllRedHatEnterpriseLinux5systemservicesareprovidedwithtargetedpolicies,andthese

areenabledbydefault,resultinginthehighestlevelofout-of-the-boxsecurityinthe

industry.Policycreationissimpliedthroughtheintroductionofareferencepolicyand

supportforlocalpolicymodules,allowingISVsandcustomerstocreate

privatepolicies.

Signicantease-of-useenhancementsareprovidedwiththeinclusionoftheSELinux

Troubleshooter,aGUI-basedanalyzerthatguidessystemadministratorsonappropriate

actionstotakeintheeventofasecurityalert.Thegurebelowprovidesaviewofthisnew

managementcapability.

SELinuxistheonlyMandatoryAccessControl(MAC)implementationadoptedbythe

upstreamLinuxkerneland,assuch,enjoysextensivecollaborativesupportfrommany

securityorganizationsandITcompanies,includingUSGovernmentNationalSecurityAgency

(NSA),HP,IBM,Tresys,andTrustedComputerSolutions(TCS).Itisthedefactostandardfor

allcommunity-basedLinuxdistributions.





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