This book helps you administer your SuSE Linux Enterprise Server on IBM a full set of modules to make administration available at one point in your Ghostscript is a program that accepts PostScript and PDF files as input. SUSE Linux Enterprise Server 11 SP3_ Administration tvnovellas.info - Ebook download as PDF File .pdf), Text File .txt) or read book online. described that allow the administrator to prepare these deployment methods. We provide HTML and PDF versions of our books in different installation of SUSE Linux Enterprise Server from DVD, or from an ISO image.
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Covers system administration tasks like maintaining, monitoring and customizing an initially . Implementation on SUSE Linux Enterprise Server • MOK ( Machine. Owner Key) .. The final PDF is formatted through FOP. Administration Guide. SUSE Linux . Configuring and Using an Rsync Server For More Implementation on SUSE Linux Enterprise Desktop • MOK (Machine .. The final PDF is formatted through FOP. SLP Front-Ends in SUSE Linux Enterprise Server. .. We provide HTML and PDF versions of our books in different languages. The fol- Covers system administration tasks like maintaining, monitoring, and customizing.
Most tools included with the distributions to download maintenance are expected to be run on each system, resulting in a large waste of bandwidth. Security fixes are issued as quickly as possible. This can result in two systems that were updated one day apart winding up with significantly different patch versions. The key to getting started is to have already installed and registered one SLES10 system of the same architecture as the maintenance you want to locally mirror. Before you can register a system, you must have a Novell Customer Center NCC account, with an associated email address.
A copy of the license version 1. All other third party trademarks are the property of their respective owners. All information found in this book has been compiled with utmost attention to detail. However, this does not guarantee complete accuracy. Neither SUSE LLC, its affiliates, the authors nor the translators shall be held liable for possible errors or the consequences thereof. About This Guide 1.
Available Documentation 2. Feedback 3. Documentation Conventions.
YaST Online Update 1. The Online Update Dialog 1. Installing Patches 1. Automatic Online Update. Gathering System Information for Support 2. Overview 2. Collecting Information Using Supportconfig 2. Submitting Information to Novell 2. For More Information. YaST in Text Mode 3. Navigation in Modules 3. Restriction of Key Combinations 3. Requirements 4. Using Snapper to Undo System Changes 4. Manually Creating and Managing Snapshots 4. Limitations 4. Frequently Asked Questions 4.
Managing Software with Command Line Tools 6. Using Zypper 6. RPM—the Package Manager. Bash and Bash Scripts 7. Writing Shell Scripts 7. Redirecting Command Events 7. Using Aliases 7. Using Variables in Bash 7. Grouping And Combining Commands. System 8. Runtime Support 8. Software Development 8.
Software Compilation on Biarch Platforms 8. Kernel Specifications. Booting and Configuring a Linux System 9. The Linux Boot Process 9. The init Process 9. Booting with GRUB Uninstalling the Linux Boot Loader Creating Boot CDs Troubleshooting Secure Boot Special System Features Information about Special Software Packages Virtual Consoles Keyboard Mapping Language and Country-Specific Settings.
Printer Operation The Workflow of the Printing System Methods and Protocols for Connecting Printers. Installing the Software Network Printers Printing from the Command Line Dynamic Kernel Device Management with udev Kernel uevents and udev Drivers, Kernel Modules and Devices Booting and Initial Device Setup Monitoring the Running udev Daemon Persistent Device Naming Files used by udev The X Window System Manually Configuring the X Window System Installing and Configuring Fonts Configuring FUSE Mobile Computers Mobile Computing with Linux Laptops Mobile Hardware Cellular Phones and PDAs Authentication Encryption Configuration with YaST Power Management Power Saving Functions Rest for the Hard Disk Using Tablet PCs Installing Tablet PC Packages Configuring Your Tablet Device Using the Virtual Keyboard Rotating Your Display Using Gesture Recognition Taking Notes and Sketching with the Pen Services Basic Networking IP Addresses and Routing Name Resolution NetworkManager Configuring a Network Connection Manually Setting Up Bonding Devices Activating SLP Installation over SLP Providing Services via SLP Time Synchronization with NTP Dynamic Time Synchronization at Runtime Setting Up a Local Reference Clock The Domain Name System DNS Terminology Installation Zone Files Dynamic Update of Zone Data Secure Transactions DNS Security DHCP Using NetworkManager Use Cases for NetworkManager Enabling or Disabling NetworkManager Configuring Network Connections Using KNetworkManager NetworkManager and VPN NetworkManager and Security.
Samba Terminology Starting and Stopping Samba Configuring a Samba Server Configuring Clients Samba as Login Server Samba Server in the Network with Active Directory Installing NFS Server Configuring NFS Server File Synchronization Available Data Synchronization Software Determining Factors for Selecting a Program Introduction to CVS Introduction to rsync Quick Start Configuring Apache Starting and Stopping Apache Installing, Activating, and Configuring Modules Avoiding Security Problems Starting the FTP Server FTP General Settings FTP Performance Settings Expert Settings The Squid Proxy Server Some Facts about Proxy Caches System Requirements Starting Squid Configuring a Transparent Proxy Cache Report Generation with Calamaris Introduction and Basic Concept Setting up SFCB Help and Documentation Documentation Directory Man Pages Info Pages Online Resources.
Common Problems and Their Solutions Finding and Gathering Information Installation Problems Boot Problems Login Problems. An Example Network B. GNU Licenses B. The Software Installation Module 9. System Services Runlevel 9. System Configuration Using the sysconfig Editor Boot Loader Settings Secure Boot Process Integrating a Mobile Computer in an Existing Environment Configuring the Wireless Network Card Gesture Recognition with CellWriter Annotating a PDF with Xournal Editing Texts with Dasher Configuring Network Settings Modem Configuration ISDN Configuration DSL Configuration NTP Server Advanced NTP Configuration: Security Settings DNS Server Installation: Forwarder Settings DNS Zones Finish Wizard DNS Server: Logging Zone Editor Basics Zone Editor NS Records.
Zone Editor MX Records Zone Editor SOA DHCP Server: Card Selection Global Settings Dynamic DHCP Start-Up Host Management Chroot Jail and Declarations Selecting a Declaration Type Configuring Subnets TSIG Configuration Network Interface and Firewall Determining Windows Domain Membership Exporting Directories with NFSv2 and v3 Default Host Summary Listen Ports and Addresses Server Modules Package selection of additional CIM providers Checking Media Displaying Hardware Information US Keyboard Layout Automatic Repair Mode List of Tables 6.
RPM Verify Options 7. Bash Configuration Files for Login Shells 7. Special Files for Bash 7. Overview of a Standard Directory Tree 7. Useful Environment Variables. Remove Time Stamp Files Private IP Address Domains Log Files A Shell Script Printing a Text 9. Man Pages—Categories and Descriptions Script to Search for Packages 7. Administration Guide https: Specific Addresses Parameters of fc-list Setting Resources for the User Features of the File Synchronization Tools: Zypper—List of Known Repositories 6.
Possible init Script Options Manual Network Configuration Scripts Screen Resolution and Color Depth Reference Interrupt Mode for the First Parallel Port Available Runlevels 9. Example time line configuration 6.
Various IPv6 Prefixes Commands for Managing sfcbd Global Section in smb. Access Rules Additions to the Configuration File Writing IP Addresses Output of the Mount Command Entry to Disable Logging Output of the route -n Command Basic VirtualHost Configuration Output of the Command ping Zone Entry for example. Firewall Configuration: Option 15 Sample IPv6 Address Reverse Lookup Linking IP Addresses to the Netmask Name-Based VirtualHost Directives Forwarding Options in named.
Output of the ifconfig Command Example udev Rules A breakdown of available device technologies. Take care for power conservation and for the integration of different devices into a changing network environment. This guide contains the following: It offers a wide range of network services. As such Mobile Computers Laptops. It assumes that a full requirements audit has been done and the installation has been requested or that a test installation.
This guide does not cover the process of ensuring that SUSE Linux Enterprise offers proper compatibility with your enterprise's application software or that its core functionality meets those requirements. The boot loader and boot procedure information assists you in understanding how your Linux system works and how your own custom scripts and applications may blend in with it.
Also get in touch with the background technologies that provide the needed functionality. System Learn more about the underlying operating system by studying this part. This part introduces a few of them. Also find a compilation of the most frequent problems and annoyances and learn how to solve these issues on your own.
Choose from various approaches. Many chapters in this manual contain links to additional documentation resources. For an overview of the documentation available for your product and the latest documentation updates.
Administration Guide Covers system administration tasks like maintaining. This includes additional documentation that is available on the system as well as documentation available on the Internet.
Shows how to make use of the product inherent security software like AppArmor which lets you specify per program which files the program may read. Troubleshooting Provides an overview of where to find help and additional documentation in case you need more information or want to perform specific tasks with your system.
The following manuals for users and administrators are available for this product: Linux Audit Quick Start Gives a short overview how to enable and configure the auditing system and how to execute key tasks such as setting up audit rules. The manual guides you through the basic steps of auto-installation: It features an overview of the various fields of application and installation types of each of the platforms supported by SUSE Linux Enterprise Server as well as a short description of the installation procedure.
In addition to the comprehensive manuals. The guide also contains detailed information about requirements. Find how to inspect and optimize your system by means of monitoring tools and how to efficiently manage resources. Also contains an overview of common problems and solutions.
Make sure to include the document title. To report errors or suggest enhancements. To report bugs for a product component. Feedback Several feedback channels are available: Bugs and Enhancement Requests For services and support options available for your product. Use the User Comments feature at the bottom of each page in the online documentation or go to http: User Comments We want to hear your comments about and suggestions for this manual and the other documentation included with this product.
Documentation Conventions The following typographical conventions are used in this manual: Find the latest documentation updates at http: Mail For feedback on the documentation of this product.
Automatic Online Update 2. For More Information 3. This paragraph is only relevant for the architectures amd The arrows mark the beginning and the end of the text block. Contents 1. This paragraph is only relevant for the architectures System z and ipseries.
This is a reference to a chapter in another manual. Installing Patches For More Information Chapter 1. One-time VNC Sessions 5. Remote Access with VNC 5. If you have registered your product during the installation. Automatic Online Update Novell offers a continuous stream of software security updates for your product.
Persistent VNC Sessions 6. Grouping And Combining Commands 7. By default. Working with Common Flow Constructs 7. Installing or Removing Software. This chapter covers the alternative tool for updating software packages: YaST Online Update.
RPM—the Package Manager 7. To add or remove repositories.
Both interfaces differ in look and feel but basically provide the same functions. Optional Updates Fix non-security relevant issues or provide enhancements. Recommended Updates Fix issues that could compromise your computer.
Error on Accessing the Update Catalog If you are not able to access the update catalog. This access will be denied once the subscription ends. The Novell Customer Center is available at http: To open the dialog. In case of an access denial to the update catalog you will see a warning message with a recommendation to visit the Novell Customer Center and check your subscription. The following sections provide a brief description of each.
Novell provides updates with different relevance levels: Security Updates Fix severe security hazards and should definitely be installed. Each list entry in the Summary section consists of a symbol and the patch name.
You can change the view of the Summary section by selecting one of the following options from Show Patch Category: Needed Patches default view Non-installed patches that apply to packages installed on your system.
Unneeded Patches Patches that either apply to packages not installed on your system. The patch will be visible in the list until you mark it for installation. Actions required by Security and Recommended patches are automatically preset. In this case a check mark is displayed in front of the patch summary.
Figure 1. If you install an up-to-date package from a repository other than the update repository.. Autoupdate and Autodelete. The right frame provides an overview of the modules available in the active category. The bottom frame contains the buttons for Help and Quit. Use and to change the category. To select a module from the category, activate the right frame with and then use and to select the module. Keep the arrow keys pressed to scroll through the list of available modules.
The selected module is highlighted. Press Enter to start the active module. Various buttons or selection fields in the module contain a highlighted letter yellow by default. Navigation in Modules The following description of the control elements in the YaST modules assumes that all function keys and Alt key combinations work and are not assigned to different global functions. Read Section 3. Navigation among Buttons and Selection Lists Use Tab to navigate among the buttons and frames containing selection lists.
To navigate in reverse order, use Alt - Tab or Shift - Tab combinations. Navigation in Selection Lists Use the arrow keys and to navigate among the individual elements in an active frame containing a selection list. If individual entries within a frame exceed its width, use Shift - or Shift - to scroll horizontally to the right and left.
Alternatively, use Ctrl - E or Ctrl - A. This combination can also be used if using or results in changing the active frame or the current selection list, as in the Control Center.
In this case, you do not need to confirm with Enter. If you navigate to an item with Tab , press Enter to execute the selected action or activate the respective menu item. Available F key shortcuts are shown in the bottom line of the YaST screen.
Which function keys are actually mapped to which buttons depend on the active YaST module, because the different modules offer different buttons Details, Info, Add, Delete, etc. Press F1 to access the YaST help. Using Navigation Tree in ncurses Mode Some YaST modules use a navigation tree in the left part of the window to select configuration dialogs. Use the arrow keys and to navigate in the tree.
Use Space to open or close tree items. In ncurses mode, Enter must be pressed after a selection in the navigation tree in order to show the selected dialog. This is an intentional behavior to save time consuming redraws when browsing through the navigation tree.
Keys like Alt or Shift can also be occupied by the settings of the terminal. For example, Esc H replaces Alt - H. First press Esc , then press H. Restriction of Function Keys The F keys are also used for functions. Certain function keys might be occupied by the terminal and may not be available for YaST.
However, the Alt key combinations and function keys should always be fully available on a pure text console. To get a list of YaST command line options, enter: yast -h 3. Start the network module, for example, with yast lan.
If you need a command-line based software management utility with functionality beyond what YaST provides, consider using zypper. This new utility uses the same software management library that is also the foundation for the YaST package manager.
The basic usage of Zypper is covered in Section 6. Not all modules have command line support. Chapter 4. Requirements 4. Using Snapper to Undo System Changes 4. Manually Creating and Managing Snapshots 4. Limitations 4. Frequently Asked Questions 4. Abstract Being able to do file system snapshots providing the ability to do rollbacks on Linux is a feature that was often requested in the past.
Snapper, in conjunction with the Btrfs file system or thin-provisioned LVM volumes now fills that gap. Btrfs, a new copy-on-write file system for Linux, supports file system snapshots a copy of the state of a subvolume at a certain point of time of subvolumes one or more separately mountable file systems within each physical partition.
Snapper lets you manage these snapshots. Confirm you are using one of the Novell upload targets described above and the Upload log files tarball into URL is activated. Finish with Next. Click Finish. Submitting Information to Novell with supportconfig 1. Servers with Internet connectivity: a. To use the default upload target, run: supportconfig -ur b. For the secure upload target, use the following on one line: supportconfig -r -U 4.
Servers without Internet connectivity a. Run the following: supportconfig -r b. Once the tarball is in the incoming directory of our FTP server, it becomes automatically attached to your service request. For More Information Find more information about gathering system information in the following documents: man supportconfigThe man page of supportconfig man supportconfig.
Chapter 3. Navigation in Modules 3. Restriction of Key Combinations 3. YaST Command Line Options This section is intended for system administrators and experts who do not run an X server on their systems and depend on the text-based installation tool. It provides basic information about starting and operating YaST in text mode. YaST in text mode uses the ncurses library to provide an easy pseudo-graphical user interface.
The ncurses library is installed by default. The minimum supported size of the terminal emulator in which to run YaST is 80x25 characters. Figure 3. The main window consists of three areas. The left frame features the categories to which the various modules belong. The active category is highlighted. The right frame provides an overview of the modules available in the active category.
The bottom frame contains the buttons for Help and Quit. Use and to change the category. To select a module from the category, activate the right frame with and then use and to select the module. Keep the arrow keys pressed to scroll through the list of available modules. The selected module is highlighted. Press Enter to start the active module. Various buttons or selection fields in the module contain a highlighted letter yellow by default.
Navigation in Modules The following description of the control elements in the YaST modules assumes that all function keys and Alt key combinations work and are not assigned to different global functions. Read Section 3. Navigation among Buttons and Selection Lists Use Tab to navigate among the buttons and frames containing selection lists. To navigate in reverse order, use Alt - Tab or Shift - Tab combinations. Navigation in Selection Lists Use the arrow keys and to navigate among the individual elements in an active frame containing a selection list.
If individual entries within a frame exceed its width, use Shift - or Shift - to scroll horizontally to the right and left. Alternatively, use Ctrl - E or Ctrl - A. This combination can also be used if using or results in changing the active frame or the current selection list, as in the Control Center. In this case, you do not need to confirm with Enter. If you navigate to an item with Tab , press Enter to execute the selected action or activate the respective menu item.
Available F key shortcuts are shown in the bottom line of the YaST screen. Which function keys are actually mapped to which buttons depend on the active YaST module, because the different modules offer different buttons Details, Info, Add, Delete, etc.
Press F1 to access the YaST help.
Using Navigation Tree in ncurses Mode Some YaST modules use a navigation tree in the left part of the window to select configuration dialogs. Use the arrow keys and to navigate in the tree. Use Space to open or close tree items. In ncurses mode, Enter must be pressed after a selection in the navigation tree in order to show the selected dialog.