Red Hat Enterprise Linux 5 Administration Unleashed

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PART IVNetwork ServicesIN THIS PARTCHAPTER 12 Identity Management 255CHAPTER 13 Network File Sharing 293CHAPTER 14CHAPTER 15Granting Network Connectivitywith DHCP 319Creating a Web Server with theApache HTTP Server 327CHAPTER 16 Hostname Resolution with BIND 339CHAPTER 17CHAPTER 18CHAPTER 19Securing Remote Logins withOpenSSH 355Setting Up an Email Server withSendmail 367Explaining Other CommonNetwork Services 379
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Tammy FoxRed Hat ®Enterprise Linux
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Contents at a GlanceIntroduction ..
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Table of ContentsIntroduction 1Part
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ContentsviiConfiguring the Runlevel
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ContentsixHow It All Works.........
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ContentsxiLogging Samba Connections
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ContentsxiiiPart V Monitoring and T
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ContentsxvStarting and Stopping the
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About the AuthorTammy Fox has been
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We Want to Hear from You!As the rea
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IntroductionSo you’ve decided to
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Introduction 3Part III: System Admi
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Introduction 5Feedback and Correcti
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PART IInstallation andConfiguration
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CHAPTER 1Installing Red HatEnterpri
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Creating the Installation Source 11
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Creating the Installation Source 13
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Starting the Installation 15Startin
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Performing the Installation 17If Ha
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Performing the Installation 19A boo
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Performing the Installation 21As a
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Performing the Installation 23NOTEA
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Performing the Installation 256. Op
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Performing the Installation 274. Cr
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Performing the Installation 291FIGU
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Installing with Kickstart 31Creatin
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Installing with Kickstart 33Basic S
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Installing with Kickstart 35--bootp
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Installing with Kickstart 37--initl
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Installing with Kickstart 39--maxsi
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Installing with Kickstart 41. zfcpO
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Installing with Kickstart 43. reboo
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Installing with Kickstart 45--drive
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Installing with Kickstart 47Use a s
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Installing with Kickstart 49Use thi
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Installing with Kickstart 51. NFS s
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Installing with PXE 53Now, you shou
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Performing an Upgrade 55Configuring
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CHAPTER 2Post-InstallationConfigura
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Red Hat Setup Agent 592FIGURE 2.2En
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Red Hat Setup Agent 612FIGURE 2.5Se
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Red Hat Setup Agent 63After you hav
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Network Configuration 652FIGURE 2.1
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Network Configuration 67The /etc/ho
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Printer Configuration 69CAUTIONIf a
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Printer Configuration 712FIGURE 2.1
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Printer Configuration 732FIGURE 2.1
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Printer Configuration 75If the prin
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Adding Boot Parameters 77LISTING 2.
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CHAPTER 3Operating SystemUpdatesThi
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Assigning Users for the RHN Website
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Using System Groups on the RHN Webs
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Retrieving Software from RHN with Y
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Summary 95CAUTIONAlthough the -y op
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PART IIOperating System CoreConcept
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CHAPTER 4Understanding LinuxConcept
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Learning the Desktop 1014FIGURE 4.1
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Shell Basics 103TABLE 4.1Continued/
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Shell Basics 105To remove a directo
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Shell Basics 107every command you h
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Shell Basics 109Reading Text FilesS
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Manual Pages 111Manual PagesOne gre
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Editing Text Files 113Vi EditorThe
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Editing Text Files 115A text versio
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File Permissions 117As you can prob
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Initialization Scripts 1194FIGURE 4
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Runlevels 121The default runlevel i
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Summary 123FIGURE 4.12ntsysv4Summar
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CHAPTER 5Working with RPMSoftwareA
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Installing Software 127Finding the
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Installing Software 129After verify
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Updating Software 131perform as wel
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Verifying Software Files 133package
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Building RPM Packages 135example, i
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Building RPM Packages 137such as yo
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Building RPM Packages139LISTING 5.9
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Building RPM Packages 141%filesThe
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Building RPM Packages 143Creating t
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Building RPM Packages 145LISTING 5.
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Building RPM Packages 147You are pr
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Summary 149When installing the exam
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CHAPTER 6Analyzing HardwareSimilar
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Listing Devices 153LISTING 6.1Conti
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Listing Devices 155LISTING 6.5Verbo
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Detecting Hardware157LISTING 6.7Con
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Gathering Information from the BIOS
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Gathering Information from the BIOS
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Listing and Configuring Kernel Modu
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HAL 165HALIf the kernel knows about
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CHAPTER 7Managing StorageManaging s
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Understanding Partitioning 169Creat
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Understanding LVM 171such as:mount
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Understanding LVM 173To increase th
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Understanding LVM 175Use the lvcrea
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Understanding LVM 177the final numb
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Understanding RAID 179If a snapshot
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Understanding RAID 181LISTING 7.7Cr
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Understanding RAID 183Device Size :
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Using Access Control Lists 185Under
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Using Access Control Lists 187. For
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Using Disk Quotas 189Removing ACLsT
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Using Disk Quotas 191If it is unabl
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Summary 193This grace period is use
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CHAPTER 864-Bit, Multi-Core, andHyp
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Multi-Core Processors 197Duplicate
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Multi-Core Processors 199LISTING 8.
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Processors with Hyper-Threading Tec
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PART IIISystem AdministrationIN THI
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CHAPTER 9Managing Users andGroupsIN
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Managing Users 207FIGURE 9.1List of
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Managing Users 209TABLE 9.1Options
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Managing Groups 211TABLE 9.3 Contin
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Managing Groups 213Deleting GroupsT
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How It All Works 215If shadow passw
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Best Practices 217Managing Username
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Summary 219If your company is quite
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CHAPTER 10Techniques for Backupand
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Using Amanda for Backups 223. Do mu
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Using Amanda for Backups 225Table 1
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Page 502: Using Amanda for Backups 231As you
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Page 510: Recovery and Repair 235Rescue ModeR
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Page 522: Writing Scripts with Bash 241TIPThe
Page 526: Writing Scripts with Bash 243TABLE
Page 530: Writing Scripts with Bash 245TABLE
Page 534: Additional Scripting Languages 247T
Page 538: Scheduling Tasks with Cron 249LISTI
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278CHAPTER 12Identity ManagementEna
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280CHAPTER 12Identity ManagementCre
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282CHAPTER 12Identity ManagementTAB
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284CHAPTER 12Identity Managementchk
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286CHAPTER 12Identity ManagementThe
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288CHAPTER 12Identity ManagementCAU
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290CHAPTER 12Identity Managementaut
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292CHAPTER 12Identity ManagementTAB
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294CHAPTER 13Network File SharingFo
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296CHAPTER 13Network File SharingFI
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298CHAPTER 13Network File Sharingre
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300CHAPTER 13Network File SharingTo
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302CHAPTER 13Network File Sharing10
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306CHAPTER 13Network File Sharingex
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308CHAPTER 13Network File Sharing.
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310CHAPTER 13Network File SharingCo
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312CHAPTER 13Network File SharingLI
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316CHAPTER 13Network File SharingBe
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318CHAPTER 13Network File SharingTh
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320CHAPTER 14Granting Network Conne
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328CHAPTER 15Creating a Web Server
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340CHAPTER 16Hostname Resolution wi
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356CHAPTER 17Securing Remote Logins
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368CHAPTER 18Setting Up an Email Se
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380CHAPTER 19Explaining Other Commo
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404CHAPTER 20Monitoring System Reso
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424CHAPTER 21Monitoring and Tuning
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464CHAPTER 23Protecting Against Int
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478CHAPTER 24Configuring a Firewall
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506CHAPTER 25Linux Auditing System.
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508CHAPTER 25Linux Auditing Systemm
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510CHAPTER 25Linux Auditing SystemW
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512CHAPTER 25Linux Auditing Systemm
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514CHAPTER 25Linux Auditing SystemL
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516CHAPTER 25Linux Auditing SystemI
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518CHAPTER 25Linux Auditing SystemT
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520CHAPTER 25Linux Auditing SystemT
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522CHAPTER 25Linux Auditing SystemS
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526APPENDIX AInstalling Proprietary
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528APPENDIX AInstalling Proprietary
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530APPENDIX BCreating Virtual Machi
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548APPENDIX CPreventing Security Br
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550APPENDIX CPreventing Security Br
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552APPENDIX DTroubleshootingQ. I di
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554APPENDIX DTroubleshootingQ. When
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556APPENDIX DTroubleshootingQ. I ne
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558APPENDIX DTroubleshootingSecurit
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560addingaddingdisk space to LVM, 1
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562autofsautofsconnecting NFS share
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564Configuration Administrator role
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566directivesdirectives/etc/httpd/c
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568Encrypt Passwords option (Samba
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570filesystemsfinding files in dire
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572helper match extension (IPTables
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574IPTablesconfiguring, 477examples
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576LDAP (Lightweight Directory Acce
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578loginssecure file transfers, 359
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580modulesmoduleskernel modulesinst
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582NFS (Network File System)server
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584passphrasespassphrasescreating v
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586Red Hat Network Provisioning, Li
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588scriptsscriptsAwk, 249Bash, 239c
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590sharesSambaadding to, 309adding
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592storageLVM schemes, 168-169remov
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594umount command, removing logical
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596vmstat command, reporting memory
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Red Hat Enterprise Linux 5 Administration Unleashed

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