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GuidetoLinux+(2ndEdition)ISBN0-619-21621-2EndofChapterSolutionsChapter9SolutionsReviewQuestionsWhichcommandcanbeusedtofine-tunethevsyncandhsyncofavideocardforuseinXWindowsVidtunesynctunexvidtunevhtuneAnswer:cWhichofthefollowingstatementsistrueGRUBneedstobereinstalledafterithasbeenmodified.
LILOneednotbereinstalledafterithasbeenmodified.
GRUBpointstoLILO.
GRUBneednotbereinstalledafterithasbeenmodified.
Answer:dIfGRUBhasbeenpasswordprotected,whatmustyoutypetoenterthepasswordwhenatthegraphicalGRUBscreenpasspwdpasswdpAnswer:dWhichrunlevelhaltsthesystem1605Answer:cWhichfiledoesinitreferenceonstartuptodeterminewhattoconfigureforagivenrunlevel/etc/initstate/inittab/etc/init/etc/inittabAnswer:dWhichtwocommandsenteredatacommandpromptstartXWindows,theWindowManager,andthedefaultdesktopenvironment(Choosetwoanswers.
)startguigdmstartxwinstartAnswer:b,cWhichofthefollowingstatementsistrueThebootloaderpointstotheMBR.
EithertheMBRortheactivepartitioncancontainthebootloader.
BoththeMBRandtheactivepartitionpointtothebootloader.
Thebootloaderpointstotheactivepartition.
Answer:bWhichcommandisusedtoreinstallLILOafteritsconfigurationhasbeenalteredlilorefreshsetliloresetliloAnswer:aWhatkeywordintheLILOconfigurationfilespecifiestheabsolutepathnametotheLinuxkerneldefaultpromptrootimageAnswer:dTomakedualbootingaseasyaspossible,Linuxshouldbethesecondoperatingsysteminstalled.
TrueorFalseAnswer:TrueHowmanyactivepartitionscantherebeperharddiskdrive41612Answer:cWhichofthefollowingindicatesthesecondpartitiononthethirdharddiskdrivetoGRUB(hd3,2)(hd4,3)(hd2,3)(hd2,1)Answer:bWhichtwoimplementationsofXWindowsarecommonlyusedinLinux(Choosetwoanswers.
)X.
orgXFceXconfiguratorXFree86Answer:a,dWhatisthenameofthedirectorythatcontainstheconfigurationinformationforrunlevel2/etc/rc.
d/rc2.
d/rc.
d/rc2.
d/etc/rc.
d/l2.
d/etc/inittab/rc2/dAnswer:aInwhatdirectoryistheLinuxkernelstored/boot/root/bin/Answer:aIfauserentersSingleUserMode,whoissheautomaticallyloggedinastheusernamesheprovidedrootadminthereisnouseravailableinSingleUserModeAnswer:bThefirstprocessgeneratedonaLinuxsystemisinitstateinittabinitlinuxAnswer:cWhichutilitycanbeusedtoconfigurethevideocardandmonitorusedbyXWindowsinRedHatFedoraCore2X.
configsystem-config-displayxconfigxvidtuneAnswer:bWhichcommandcausesthesystemtoenterSingleUserModeinit0init1init6initstate5Answer:bThetimeoutvalueintheGRUBconfigurationfileismeasuredinseconds1/10ofminiutes1/10ofseconds1/100ofsecondsAnswer:aProject9-1Step1:Notavailable.
Step2:Notavailable.
Step3:Notavailable.
Step4:Notavailable.
Step5:linux.
Step6:linux1orlinuxsorlinuxS.
Step7:root,no.
Step8:Notavailable.
Step9:60seconds.
Step10:Passwordprotecttheoperatingsystemboot.
Step11:Notavailable.
Step12:ToreinstallLILOwiththenewconfiguration.
Step13:Alistofoperatingsystems(linux),60seconds.
Step14:Yes,duetoStep10.
Project9-2Step1:Notavailable.
Step2:Yes,becauseitliststhelocationinGRUBformat(hd0,0),seechapterfordefinitionofformatStep3:100seconds.
Step4:No,becausetheGRUBconfigurationfileisreaddirectlyatboottime.
Step5:Notavailable.
Step6:Notavailable.
Step7:Notavailable.
Step8:Notavailable.
Step9:Notavailable.
Step10:Notavailable.
Step11:Notavailable.
Step12:Notavailable.
Step13:Notavailable.
Step14:Notavailable.
Step15:Notavailable.
Step16:Notavailable.
Step17:Notavailable.
Step18:Notavailable.
Project9-3Step1:Notavailable.
Step2:5,yesitwaschosenduringinstallationattheendwhenpromptedfor"graphicallogin"type.
Step3:initdefault.
Step4:Mostdaemonsarestopped;yesbecauseitisMultiuserMode.
Step5:2,5.
Step6:Mostdaeonsarestopped;nobecauseitisSingleUserMode(administrativeonly).
Step7:1,S.
Step8:Mostdaemonsarestarted;gdm(graphicallogin).
Step9:Notavailable.
Step10:5,1.
Step11:Notavailable.
Step12:Notavailable.
Project9-4Step1:Notavailable.
Step2:Directoriesforeachrunlevelthatcontainlinkstostartupscriptsfordaemonsaswellastheinit.
ddirectory.
Step3:MostfilesstartwithKbecausemostservicesarestoppedinrunlevel1andwillbeexecutedinASCII(alphabeticalorder).
Step4:MostfilesstartwithSbecausemostservicesarestartedinrunlevel5.
Step5:Scriptsthatstartdaemons.
Step6:Theatdaemonwasstopped.
Step7:Theatdaemonwasstarted.
Step8:Theatdaemonwasrestarted.
Step9:Notavailable.
Step10:Notavailable.
Step11:644.
Step12:Notavailable.
Step13:Thiscreatesastartuplinkthatstartsthesampledaemonuponenteringrunlevel5.
Step14:Yes.
Step15:Notavailable.
Step16:Thesampledaemonwasstopped.
Step17:Thesampledaemonwasstarted.
Step18:Thesampledaemonwasrestarted.
Step19:Notavailable.
Project9-5Step1:Notavailable.
Step2:Notavailable.
Step3:Notavailable.
Step4:Notavailable.
Step5:/etc/X11,xorg.
conf.
Step6:Notavailable.
Step7:Notavailable.
Step8:Notavailable.
Step9:GNOME.
Step10:Notavailable.
Step11:/root/.
Xclients-default.
Step12:Notavailable.
Step13:Yes.
Step14:Xfce.
Step15:Notavailable.
Step16:GNOME.
Step17:Notavailable.
DiscoveryExercisesDiscoveryExercise1Theinitdaemonwillcontinuouslyrebootthesystem.
DiscoveryExercise2Thedaemonshouldbeplacedin/etc/init.
d,andlinksshouldbecreatedtostartthedaemoninrunlevel5andstopthedaemoninrunlevel0,1,2,3,4,6;somepossiblecommandstodothisare:ln–s/etc/rc.
d/init.
d/mydaemon/etc/rc.
d/rc5.
d/S50mydaemonln–s/etc/rc.
d/init.
d/mydaemon/etc/rc.
d/rc0.
d/K50mydaemonln–s/etc/rc.
d/init.
d/mydaemon/etc/rc.
d/rc1.
d/K50mydaemonln–s/etc/rc.
d/init.
d/mydaemon/etc/rc.
d/rc2.
d/K50mydaemonln–s/etc/rc.
d/init.
d/mydaemon/etc/rc.
d/rc3.
d/K50mydaemonln–s/etc/rc.
d/init.
d/mydaemon/etc/rc.
d/rc4.
d/K50mydaemonln–s/etc/rc.
d/init.
d/mydaemon/etc/rc.
d/rc6.
d/K50mydaemonDiscoveryExercise3Notavailable.
DiscoveryExercise4Notavailable.
DiscoveryExercise5Runlevel4isdefinedin/etc/inittab.
Tostartdaemonsinthisrunlevel,youshouldhavetheappropriatelinein/etc/inittab(alreadythere),whichpointstothe"rc4"commandthatloadsallscriptsinthe/etc/rc.
d/rc4.
ddirectory.
Topreparethisdirectory,createthesamelinksasinthe/etc/rc.
d/rc3.
ddirectoryyetaddsomemorethatarenotavailableinrunlevel3.
DiscoveryExercise6Answerswillvary;typically,thisfileinitializessystemcomponentsbeforedaemonstartup.
DiscoveryExercise7Notavailable.
DiscoveryExercise8Notavailable.