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Red Hat Network 4.0

Reference Guide

Summary of Contents for NETWORK 4.0 -

Page 1: ...Red Hat Network 4 0 Reference Guide...

Page 2: ...ttp www opencontent org openpub Distribution of substantively modified versions of this document is prohibited without the explicit permission of the copyright holder Distribution of the work or deriv...

Page 3: ...lagged to be Skipped 22 2 2 5 Available Package Updates 23 2 2 6 Retrieving Packages 25 2 2 7 Installing Packages 26 2 3 Command Line Version 28 2 3 1 Installing the Red Hat GPG key 31 2 3 2 Manual Pa...

Page 4: ...6 1 1 Entitlement Views 66 6 1 2 Categories and Pages 67 6 1 3 Errata Alert Icons 69 6 1 4 Quick Search 69 6 1 5 Systems Selected 69 6 1 6 Lists 70 6 2 Logging into the RHN Website 70 6 3 Your RHN 71...

Page 5: ...g 145 6 9 1 Probe Status 145 6 9 2 Notification 148 6 9 3 Probe Suites 150 6 9 4 Scout Config Push 152 6 9 5 General Config 152 6 10 Satellite Tools 152 6 10 1 Satellite Tools Satellite Configuration...

Page 6: ...obes 165 7 5 2 Establishing Thresholds 166 7 5 3 Monitoring the RHN Server 166 7 6 Troubleshooting 167 7 6 1 Examining Probes with rhn catalog 167 7 6 2 Viewing the output of rhn runprobe 168 8 UNIX S...

Page 7: ...a Channel 194 A 3 8 Listing All Config Channels 194 A 3 9 Removing a File from a Channel 195 A 3 10 Deleting a Config Channel 195 A 3 11 Determining the Number of File Revisions 195 A 3 12 Updating a...

Page 8: ...C 6 LogAgent 226 C 6 1 LogAgent Log Pattern Match 226 C 6 2 LogAgent Log Size 228 C 7 MySQL 3 23 3 33 229 C 7 1 MySQL Database Accessibility 229 C 7 2 MySQL Opened Tables 230 C 7 3 MySQL Open Tables 2...

Page 9: ...C 10 RHN Satellite Server 251 C 10 1 RHN Satellite Server Disk Space 251 C 10 2 RHN Satellite Server Execution Time 252 C 10 3 RHN Satellite Server Interface Traffic 252 C 10 4 RHN Satellite Server L...

Page 10: ......

Page 11: ...s version of the manual covers version 4 4 5 of the Red Hat Enterprise Linux 3 and 4 Red Hat Update Agent and versions 2 9 14 and 2 9 12 of the Red Hat Enterprise Linux 2 1 Red Hat Update Agent and Re...

Page 12: ...er RPM if you want to use a Web server log file analysis program application This style indicates that the program is an end user application as opposed to system software For example Use Mozilla to b...

Page 13: ...ack button to return to the webpage you last viewed computer output Text in this style indicates text displayed to a shell prompt such as error messages and responses to commands For example The ls co...

Page 14: ...es to draw your attention to certain pieces of information In order of urgency these items are marked as a note tip important caution or warning For example Note Remember that Linux is case sensitive...

Page 15: ...zation of the documentation The notes can be found on the RHN website and at http www redhat com docs manuals RHNetwork The following RHN documentation has been translated for the RHN 4 0 release RHN...

Page 16: ...vi Introduction to the Guide...

Page 17: ...ase The main components of Red Hat Network are as follows the Red Hat Update Agent the Red Hat Network website whether this is hosted by the central RHN Servers an RHN Satellite Server or fed through...

Page 18: ...efer to http www redhat com software rhn table 1 1 Update The RHN Update service is ideal for a user with one Red Hat Enterprise Linux system or a small number of Red Hat Enterprise Linux systems Upda...

Page 19: ...l for each Red Hat Enterprise Linux system With each Management subscription you receive the functionality provided to Demo and Update users plus Package Profile Comparison Compare the package set on...

Page 20: ...s RHN Satellite Server customers can also roll back local configurations files This is possible because snapshots are captured whenever an action takes place on a system These snapshots identify group...

Page 21: ...sed on probe criteria notification method scout or organization 1 5 Errata Notifications and Scheduled Package Installations You can configure Red Hat Network to send you email notifications of new an...

Page 22: ...must obtain the Red Hat Update Agent up2date and pos sibly the Red Hat Network Registration Client rhn_register In Red Hat Enterprise Linux 3 and later registration functionality is built into the Red...

Page 23: ...command line versions the two packages ending in gnome are not required Package Name Description rhn_register Provides the Red Hat Network Registration Client program and the text mode interface rhn_...

Page 24: ...8 Chapter 1 Red Hat Network Overview...

Page 25: ...at Network Registration Client before starting the Red Hat Update Agent Refer to Chapter 5 Red Hat Network Registration Client for instructions then return to this chapter for Red Hat Update Agent ins...

Page 26: ...ad the updated packages temporarily overriding your saved configuration up2date tmpdir tmp up2date Option Description configure Configure Red Hat Update Agent options Refer to Section 2 4 Configuratio...

Page 27: ...ires you to use a proxy server to make HTTP connections To use this feature select the Enable HTTP Proxy check box and type your proxy server in the text field with the format HOST PORT such as squid...

Page 28: ...Proxy Server The second dialog box to appear prompts you to install the Red Hat GPG key as shown in Figure 2 2 This key is used to verify the packages you download for security purposes Click Yes to i...

Page 29: ...anizational account you should take caution when registering systems By default all systems registered with the Red Hat Update Agent end up in the Ungrouped section of systems visible only to Organiza...

Page 30: ...m newlogin but you may also do so via Red Hat Update Agent up2date Important Users may access and read Red Hat s privacy statement from this screen Click the Read our Privacy Statement button to do so...

Page 31: ...Red Hat Update Agent on the new machine and enter the existing Red Hat username and password at this screen Figure 2 4 Red Hat Login Screen New users must select the I don t have a Red Hat login I ne...

Page 32: ...feeds Passwords are case sensitive for obvious reasons Note You must choose a unique username If you enter one already in use you will see an error message Try different usernames until you find one t...

Page 33: ...opriate field If not select the Use one of my existing active subscriptions radio button In the Connect Your System option group select whether to send a hardware or software profile After creating a...

Page 34: ...the RPM database on your system and then allows you to customize the list by deselecting packages To see the details of the information gathered from your system click the Details button next to the...

Page 35: ...Chapter 2 Red Hat Update Agent 19 Figure 2 6 Activate Figure 2 7 shows the progress bar displayed as the System Profile is sent...

Page 36: ...ss The channels you select from this screen must match the base operating system of the system you are registering if any child channels are available such as the RHEL AS v 4 for x86 Extras channel in...

Page 37: ...re 2 8 Channels Red Hat Update Agent now compares the packages in your RPM database with those available from the Channel you selected The progress bar shown in Figure 2 9 is displayed during this pro...

Page 38: ...Update Agent restarts and completes the initial update of the system 2 2 4 Packages Flagged to be Skipped The next step in the initial update is the selection of files to be skipped Any packages check...

Page 39: ...all available updates except those you chose to skip in the previous screen Select those you wish to download and click Forward to continue To view the complete Errata Advisory text for an update high...

Page 40: ...24 Chapter 2 Red Hat Update Agent Figure 2 11 Available Package Updates...

Page 41: ...he require ments of each RPM are met If any additional packages are required Red Hat Update Agent displays an error message Click OK to continue Once all dependencies are met Red Hat Update Agent retr...

Page 42: ...he packages via the Red Hat Update Agent skip to Section 2 3 2 Manual Package Installation for further instructions If you configured the Red Hat Update Agent to install the packages the default setti...

Page 43: ...e 2 14 Installing Packages When the Red Hat Update Agent has finished downloading the desired packages and installing them if you chose the install option it displays the screen in Figure 2 15 Click F...

Page 44: ...o use the command line version you can force it not to display the graphical interface with the following command up2date nox The command line version of the Red Hat Update Agent allows you to perform...

Page 45: ...temporarily overrides the configuration option Do not install packages after retrieval Use this option if you prefer to install the packages manually dbpath dir Specify an alternate RPM database to u...

Page 46: ...useful in testing nosig Do not use GPG to check package signatures This option temporarily overrides the saved configuration option nosrc Do not download source packages SRPMs nox Do not attempt to r...

Page 47: ...cation undo Reverse the last package set update u update Update system with all relevant packages upgrade to release release version Upgrade to the channel specified uuid uuid Pass in a Unique User ID...

Page 48: ...Hat Inc Security Response Team sub 2048g 7EAB9AFD 2001 11 21 BEGIN PGP PUBLIC KEY BLOCK Version GnuPG v1 2 1 GNU Linux mQGiBDv70vQRBADh701rf8WUzDG88kqlV N5KQ1PF0amnODB 1EeuAD7n6bCBRmV ekQWJCdfab0Rf1S...

Page 49: ...PM 2 3 2 Manual Package Installation If you chose to download but not install the software updates with the Red Hat Update Agent or from the RHN website you must install them manually using RPM To ins...

Page 50: ...The Red Hat Update Agent offers various options to configure its settings If you are not running the X Window System or prefer the command line version skip to Section 2 4 2 Command Line Version 2 4 1...

Page 51: ...for detailed instructions 2 4 1 2 Retrieval Installation Settings The Retrieval Installation tab allows you to customize your software package retrieval and package installation preferences Warning Y...

Page 52: ...on is useful if you are installing custom RPMs on your system and you do not want them updated or reverted to the default Red Hat Enterprise Linux packages Retrieve source RPM along with binary packag...

Page 53: ...luded according to the package name enter a character string including wild cards in the Add new text field under in the Package Names to Skip section heading A wild card at the end of the character s...

Page 54: ...t Update Agent and store them in the configuration file etc sysconfig rhn up2date To run the command line version of the Red Hat Update Agent Configuration Tool use the following command up2date nox c...

Page 55: ...of the item to modify and enter a new value for the option When you finish changing your configuration press Enter to save your changes and exit Press q and then Enter to quit without saving your cha...

Page 56: ...s for precise steps To use an activation key run the following command as root from a shell prompt on the system to be registered rhnreg_ks activationkey 7202f3b7d218cf59b764f9f6e9fa281b The precise v...

Page 57: ...for the system is generated on the system in the file etc sysconfig rhn systemid When using activation keys to assign channels consider these rules A key may specify either zero or one base channel If...

Page 58: ...42 Chapter 2 Red Hat Update Agent...

Page 59: ...ation that makes the network connection to RHN The Red Hat Network Daemon does not listen on any network ports or talk to the network directly All network activity is done via the rhn_check utility 3...

Page 60: ...stop or etc rc d init d rhnsd stop 3 4 Troubleshooting If you see messages indicating that checkins are not taking place the RHN client on your system is not successfully reaching Red Hat Network Mak...

Page 61: ...e Linux 3 the Red Hat Network Alert Notification Tool appears on the panel by default as shown in Figure 4 1 Figure 4 1 GNOME Panel with Red Hat Network Alert Notification Tool If it does not appear o...

Page 62: ...elect the Use Authentication option and enter your username and password in the respective text fields Tip To run the configuration wizard again right click on the applet and select Configuration Your...

Page 63: ...on applying updates If you have scheduled updates to be installed you can watch the applet icon to determine when updates are applied The icon changes to the icon after the Errata Updates are applied...

Page 64: ...n the Launch up2date button You can also right click on the icon and select Launch up2date For more information on the Red Hat Update Agent refer to Chapter 2 Red Hat Update Agent 4 5 Launching the RH...

Page 65: ...e Red Hat Update Agent Systems running Red Hat Enterprise Linux 3 and later have this registration functionality built into the Red Hat Update Agent After registering your system refer to Chapter 2 Re...

Page 66: ...ProxyAuth No 1 noSSLServerURL http xmlrpc rhn redhat com XMLRPC 2 oemInfoFile etc sysconfig rhn oeminfo 3 enableProxy No 4 networkSetup Yes 5 httpProxy 6 proxyUser 7 serverURL https xmlrpc rhn redhat...

Page 67: ...If your username is part of a larger organizational account be cautious when register ing your systems By default all systems registered with the Red Hat Network Regis tration Client end up in the Ung...

Page 68: ...your system and try to register it again the dialog box shown in Figure 5 3 appears If you continue it overwrites your existing Digital Certificate file etc sysconfig rhn systemid and creates a diffe...

Page 69: ...process ends and no information is sent Figure 5 4 Welcome Screen Red Hat is committed to protecting your privacy see Figure 5 5 The information gathered during the Red Hat Network registration proce...

Page 70: ...username password and a valid email address In the screen shown in Figure 5 7 you must choose a username and password Once logged in to Red Hat Network you can modify your preferences view your exist...

Page 71: ...ing only by capitalization In addition the following restrictions apply to both your username and password Must be at least four characters long Cannot contain any tabs Cannot contain any line feeds P...

Page 72: ...alues are valid the system is added to the organization s Red Hat Net work account Your Organization Administrator can then create your user account through the Users category of the RHN website Refer...

Page 73: ...sizes Mount points The next step is choosing a profile name for your system as shown in Figure 5 8 The default value is the hostname for the system You may modify this to be a more descrip tive strin...

Page 74: ...se Information Only those packages you choose during this part of the registration are included in your System Profile and you will only receive notifications about the packages in your System Profile...

Page 75: ...from your System Profile Figure 5 10 RPM Package Information 5 4 2 2 Choosing RPM Packages to Exclude from the System Profile By default all RPM packages in your RPM database are included in your Sys...

Page 76: ...gistration process Figure 5 11 Choose which RPM Packages to Exclude from System Profile 5 5 Finishing Registration As seen in Figure 5 12 the last step of registration is to confirm that you want to s...

Page 77: ...on your connection speed Figure 5 13 Send System Profile to Red Hat Network The Red Hat Network Registration Client displays the Registration Finished screen Figure 5 14 once your System Profile has...

Page 78: ...sed in the Red Hat Network Registration Client Click Systems on the top navigation bar and then Systems Entitlements in the left navigation bar The System Entitlements page displays the number of avai...

Page 79: ...at the top of the System Entitlements page to make additional purchases 5 7 Text Mode RHN Registration Client If you are not running the X Window System the Red Hat Network Registration Client starts...

Page 80: ...64 Chapter 5 Red Hat Network Registration Client Figure 5 15 Text Mode Welcome Screen...

Page 81: ...on The Top Navigation Bar is divided into tabs Organization Administrators see the follow ing Top Navigation Bar Note that only RHN Satellite Server customers see the Monitor ing and Satellite Tools t...

Page 82: ...in mind since this guide covers all entitlement levels some tabs pages and even whole categories described here may not be visible to you For this reason icons are used here to identify which function...

Page 83: ...ays the most recent Errata Alerts for your account Your Account Update your personal profile and addresses Your Preferences Indicate if you wish to receive email notifications about Errata Alerts for...

Page 84: ...kage name Channels View and manage the available RHN channels and the files they contain Software Channels View a list of all software channels and those applicable to your systems Channel Entitlement...

Page 85: ...tails for more information 6 1 4 Quick Search In addition to the Advanced Search functionality offered within some categories the RHN website also offers a Quick Search tool near the top of each page...

Page 86: ...4 System Set Manager for details 6 1 6 Lists The information within most categories is presented as lists These lists have some common features for navigation For instance you can navigate through vi...

Page 87: ...Hat Network go back to http rhn redhat com and complete the username and password fields with the same information established during registration Click the Sign In link near the top to display the fi...

Page 88: ...the page shows how many systems need attention provides a link to quickly view those systems and displays a summary of scheduled actions Refer to Section 6 4 2 Systems for information on using the Sy...

Page 89: ...lists all and relevant Errata Alerts You may toggle between All and Relevant by clicking the View All or View Relevant link at the top of the table This view is retained until you toggle it by again c...

Page 90: ...Network ser vice Click the Deactivate Account button to disable your account The web interface returns you to the login screen If you attempt to log back in an error message advises you to contact the...

Page 91: ...ick the Save Preferences button in the bottom right hand corner 6 3 3 Purchase History The Purchase History page provides a link to the main Red Hat site where you can view your subscription status co...

Page 92: ...contained Clicking on the number of systems takes you to the Systems tab of the System Group Details page while clicking on the system name takes you to the De tails tab for that system Refer to Sect...

Page 93: ...kages list while the Critical Updates icon links directly to the Update Confirmation page Also the Not Checking In icon is linked to instructions for resolving the issue System is up to date Critical...

Page 94: ...he system based upon its operating system distribution Refer to Section 6 6 1 Software Channels for more information Entitlement Whether or not the system is entitled and at what service level Links i...

Page 95: ...system is behind a firewall that does not allow connections over https port 443 The system is behind an HTTP proxy server that has not been properly configured The system is connected to an RHN Proxy...

Page 96: ...s to immediately initiate tasks on Provisioning entitled sys tems rather than wait for those systems to check in with RHN Scheduling actions through push is identical to the process of scheduling any...

Page 97: ...e of the auto update feature for production systems because conflicts between packages and environments can cause system failures The Red Hat Network Daemon must be enabled on the systems for this fea...

Page 98: ...to re register this system and regain all Red Hat Network settings Refer to Section 2 5 Registering with Activation Keys for in structions Unlike typical activation keys which are not associated with...

Page 99: ...a Contains a list of Errata Alerts applicable to the system Refer to Section 6 1 3 Errata Alert Icons for meanings of the icons on this tab To apply updates select them and click the Apply Errata butt...

Page 100: ...its Package Details page To delete pack ages from the system select their checkboxes and click the Remove Packages button on the bottom right hand corner of the page A confirmation page appears with...

Page 101: ...fest of the compared profile Note that this action may delete packages on the system not in the pro file as well as install packages from the profile To install specific packages select the checkboxes...

Page 102: ...file from channel baz will be applicable Also if nothing is in the Overrides column for a given file path then unsubscribing from the channel providing the file will mean that the file is no longer m...

Page 103: ...2 8 5 1 System Details Groups List Remove Lists groups to which the system belongs and enables you to cancel those associations Only System Group Administrators and Organization Administrators can rem...

Page 104: ...s Snapshots Snapshot Tags for more information When satisfied with the reversion return to the Rollback subtab and click the Rollback to Snapshot button To see the list again click Return to snapshot...

Page 105: ...ration files from any config channels associated with the system When finished click the Schedule Kickstart button Caution It is imperative the kickstart profile selected match the installation files...

Page 106: ...at have failed occurred or are occurring To view details of an event click its summary in the System History list To again view the table click Return to history list at the bottom of the page 6 4 2 8...

Page 107: ...e to recognize it Refer to Section 6 9 4 Scout Config Push for details After the probe has run its results become available on the Current State page Refer to Section 6 9 1 7 Current State for details...

Page 108: ...f all of the selected groups excluding those systems that belong only to one or some of the selected groups To do so select them and click the Work with Intersection button To add all systems in all s...

Page 109: ...er immediately Refer to Section 6 4 4 System Set Manager for more information 6 4 3 1 Creating Groups To add a new system group click the create new group button at the top right corner of the page Ty...

Page 110: ...ove from group button on the bottom of the page Clicking it does not delete systems from RHN entirely This is done through the System Set Manager or System Details pages Refer to Section 6 4 4 System...

Page 111: ...annels Update system profiles Modify system preferences such as scheduled download and installation of packages Kickstart several Provisioning entitled systems at once Set the subscription and rank of...

Page 112: ...the following subtabs Click the num ber in the Systems column to see to which systems in the System Set Manager the given package applies When selecting packages to install upgrade or remove Provisio...

Page 113: ...l installed package whose contents MD5 sum and other details may be verified At the next check in the verify event issues the command rpm verify for the specified package If there are any discrepancie...

Page 114: ...on tab the subtabs here can be used to subscribe the selected systems to configuration channels and deploy and compare the configuration files on the systems The channels are created in the Manage Con...

Page 115: ...nfiguration channel always overrides all other channels Once you have established the rank of the config channels you must decide how they are applied to the selected systems The three buttons below t...

Page 116: ...Server select from the available Proxies listed in the drop down box beside the Use RHN Proxy radio button All of the selected systems will kickstart through the selected Proxy Click the Schedule Kic...

Page 117: ...custom value for selected systems followed by the name of a key to allow you to provide values for all selected systems Enter the information and click the Set Values button Click Remove a custom val...

Page 118: ...pertaining to your systems Any time an update is produced and released for a system under your supervision a notification is sent via email Include system in Daily Summary This setting includes the s...

Page 119: ...the entitlements for your registered systems Red Hat Network 4 0 allows you to apply and remove entitlements at will allowing you to adjust your Red Hat Network infrastructure as your organization gr...

Page 120: ...ivation Key Administrator role including Organization Administrators can generate activation keys through the RHN website These keys can then be used to register a Red Hat Enterprise Linux system enti...

Page 121: ...d Note that only Activation Key Administrators can see this list At this point you may associate child channels and groups with the key so that systems registered with it automatically subscribe to th...

Page 122: ...s software child channels and config channels Conflicts in the remaining properties are resolved in the following manner base software channels registration fails entitlements registration fails enabl...

Page 123: ...sed to install Red Hat Enterprise Linux on either new or already registered systems This enables systems to be installed automatically to particular specifications Important If your systems are connec...

Page 124: ...ault gateway to be used the netmask of the network the IP address of the TFTP or HTTP server holding the bootloader program and the full path and file name of that program relative to the server s roo...

Page 125: ...ils Click the Create Kickstart button when done When finished with the initial profile you re presented with the Kickstart Details page which offers various options for enhancing the kickstart steps R...

Page 126: ...values to be applied during the kickstart process including bootloader type time zone root password and partition details Keep in mind the kickstart network configuration value here is used by the boo...

Page 127: ...ter and specific commands to be interpreted before the rest of the pre section Identify the interpreter in the top field such as usr bin python include the commands to be interpreted below it and clic...

Page 128: ...t Allows for the inclusion of commands to be executed before commands in the regular post section and outside of the chroot Refer to the Red Hat Enterprise Linux System Administration Guide for potent...

Page 129: ...ms kickstarted by them must have the server key imported into RHN and associated with the relevant kickstart profiles Import it by creating a new key here and then make the profile association in the...

Page 130: ...thing like auto kickstart ks rhel i386 as 4 Strip everything preceding the ks to derive the boot image For instance in the above example you would enter ks rhel i386 as 4 in the Autokickstart RPM fie...

Page 131: ...to ks Change the ks section to the following template label ks kernel vmlinuz append text ks url initrd initrd img lang devfs nomount ramdisk_size 16438 ksdevice The URL can be obtained from the Kick...

Page 132: ...vironments To use this method make sure your systems have network interface cards NIC that sup port PXE install and configure a PXE server ensure DHCP is running and then place the appropriate files o...

Page 133: ...problem Icons are used to identify the three types of Errata Alerts Security Updates available update strongly recommended Bug Fix Updates available and recommended Enhancement Updates available In ad...

Page 134: ...5 2 All Errata The All Errata page displays a list of all Errata Alerts released by Red Hat It works much the same as the Relevant Errata page in that clicking either the Advisory or the number of sys...

Page 135: ...nager link in the left navigation bar then click the Systems tab After ensuring the appropriate systems are selected click the Errata tab select the Errata Updates to apply and click the Apply Errata...

Page 136: ...cheduled a Status column exists within the affected systems table Possible values are None Pending Picked Up Com pleted and Failed This column identifies only the latest action related to an Erratum F...

Page 137: ...ration based upon the Red Hat Enterprise Linux release and system architecture selected In the case of public free channels the action will succeed In the case of paid base channels this action will f...

Page 138: ...eached their end of life dates These channels do not receive updates 6 6 1 3 All Channels The All Channels page can be retrieved by clicking All below Software Channels in the left navigation bar It w...

Page 139: ...y customers with custom base channels may change their systems base channel assignment They may do this through the website in two ways Customers with a custom base channel may assign the system to th...

Page 140: ...bottom left corner of the page Clicking on a pack age name takes you to the Package Details page This page displays a set of tabs with information about the package including which architectures it ru...

Page 141: ...of third party providers It appears when you attempt to subscribe to such a channel through the Target Systems tab To complete the subscription read the agreement click the Accept button and then cli...

Page 142: ...Os page can be retrieved by clicking All below Easy ISOs in the left navi gation bar It works identically to the Relevant button with one exception It displays all ISOs available to you through Red Ha...

Page 143: ...1 2 Manage Software Channels Channel Details Managers This subtab allows you to select which users may alter or delete this channel Organization Administrators and Channel Administrators may alter or...

Page 144: ...and click the Merge Packages button followed by the Confirm button to perform the merge 6 6 5 2 Manage Software Channels Manage Software Packages This tab allows you to manage custom software packages...

Page 145: ...ed in the rhncfg actions RPM The RHN Actions Control rhn actions control enables or disables specific modes of allowable actions Refer to Section A 1 Red Hat Network Actions Control for instructions 6...

Page 146: ...umber in the Config Channels column takes you to a list of channels contain ing the file From there you can access tabs of the Configuration Channel Details page Clicking the number in the Latest Revi...

Page 147: ...o Config Channel button and select the destination channel To remove a file select it and click Delete Selected Files 6 6 6 5 2 2 Configuration Channel Details Files Upload Enables you to import files...

Page 148: ...oup must be valid 6 6 6 5 3 Configuration Channel Details Systems Identifies the systems subscribed to this configuration channel Clicking a system name takes you to the System Details page 6 6 6 5 4...

Page 149: ...ys the only one provided by that channel Revision numbers for a file are tied to a channel So revision 3 of etc example1 in config channel config1 is completely independent of revision 3 of etc exampl...

Page 150: ...netmask eth_device rhn system net_interface broadcast eth_device rhn system net_interface hardware_address eth_device rhn system net_interface driver_module eth_device To use this powerful feature eit...

Page 151: ...following asset Example 456 To include a default value for instance if one is required to prevent errors you can append it to the custom information macro like so asset rhn system custom_info asset A...

Page 152: ...dware Profile Updates 7 Package List Profile Updates 8 Kickstart Initiation 9 Remote Commands Each page in the Schedule category represents an action status 6 7 1 Pending Actions As shown in Figure 6...

Page 153: ...ule Pending Actions 6 7 2 Failed Actions Actions that could not be completed If the action returns an error it is displayed here 6 7 3 Completed Actions Actions that have succeeded 6 7 4 Archived Acti...

Page 154: ...systems on which this action was successful Failed Number of systems on which this action has been tried and failed In Progress Number of systems on which this action is taking place Total Total numb...

Page 155: ...ation When registering a system a user account can be created and added to the organization This should be coordinated by the Organization Administrator Refer to Section 5 3 Registering a User Account...

Page 156: ...er the systems and system groups to which it is granted access This person can create new system groups delete any assigned systems groups add systems to groups and manage user access to groups Click...

Page 157: ...tors or users may disable their own accounts Disabled users cannot log in to the RHN web interface nor may they schedule any actions Organization Administrators may not be disabled until that role is...

Page 158: ...ault User Details tab which displays the username first name last name email address and user roles for the user All of this information is modifiable To do so make your changes and click the Update b...

Page 159: ...se a set of systems to work with by checking the boxes to the left of the systems and clicking the Update List button Use the System Set Manager page to execute actions on those systems Clicking the n...

Page 160: ...Email Notification Determine whether this user should receive email every time an Errata Alert is applicable to one or more systems in his or her RHN account as well as daily summaries of system event...

Page 161: ...s listed here click the check box to the left of their name and click the Reactivate button followed by the Confirm button Reactivated users retain the permissions and system group associations they h...

Page 162: ...totals in the tabs at the top of the page may not match the numbers of probes displayed in the tables below The counts at the top include probes for all systems in your organization while the tables...

Page 163: ...their CRITICAL thresholds or reached a critical status by some other means For instance some probes become critical rather than unknown when exceeding their timeout period 6 9 1 2 Probe Status Warnin...

Page 164: ...hich you wish to see a report and decide using the checkboxes whether the results should be shown in a graph an event log or both Then click Generate report at the bottom of the page If no data exist...

Page 165: ...is option allows you to select the organization scout s or probe s to which this filter applies To select multiple items from the list hold the Ctrl key while clicking the names of the items To select...

Page 166: ...ycle useful filters as needed and provides a historical record for troubleshooting 6 9 3 Probe Suites Probe Suites allow you to configure and apply one or more probes to a system or systems Probe Suit...

Page 167: ...e Suite 1 From the Monitoring Probe Suites page click on the title of the Probe Suite you wish to alter 2 Select the Probes sub tab 3 Check the box next to the probe you wish to remove 4 Click the Del...

Page 168: ...and completed pushes Clicking the name of the server opens its Red Hat Network Monitoring Daemon SSH Pub lic Key This allows you to copy and paste the SSH key to the systems that are monitored by the...

Page 169: ...0 1 Satellite Tools Satellite Configuration The form on this page allows you to alter the basic configuration of your RHN Satellite Server You may turn SSL Monitoring and Solaris support on and off Yo...

Page 170: ...ee a list of options available to you 6 11 1 Help Desk The Help Desk page summarizes the help options available within this section Click either the links within this page or the buttons on the left n...

Page 171: ...cess to the FAQ Customer Service email address and rhn users mailing list Logged in Demo customers have access to the above as well as an online form that can be submitted to rhn feedback or the Custo...

Page 172: ...st rhn outage list redhat com to be notified of emergency and other unscheduled outages 6 11 14 Release Notes The Release Notes page lists the notes accompanying every recent release of Red Hat Net wo...

Page 173: ...fras tructure must be finalized by updating your configuration through the Scout Config Push page 7 1 Prerequisites Before attempting to implement RHN Monitoring within your infrastructure ensure you...

Page 174: ...securely with the client system to access internal processes and retrieve probe status Please note that the Red Hat Network Monitoring Daemon requires that monitored systems allow connections on port...

Page 175: ...stems to be monitored to the RHN Tools channel associated with the system This can be done individually through the System Details Channels Software subtab or for multiple systems at once through the...

Page 176: ...e RHNMD User and RHNMD Port fields 7 2 4 Installing the SSH key Whether you use rhnmd or sshd you must install the Red Hat Network Monitoring Dae mon public SSH key on the systems to be monitored to c...

Page 177: ...L probes you must configure the mysql server package on the RHN Satellite Server Refer to Appendix C Probes for a listing of all available probes Subscribe the Satellite to the Red Hat Enterprise Linu...

Page 178: ...essage and Send ID The standard longer format displays additional message headers system and probe details and instructions for response 5 When finished click Create Method The new method shows up in...

Page 179: ...ilter types ACK METOO Sends the notification to the redirect destination s in addition to the default destination ACK SUSPEND Suspends the notification method for a specified time period ACK AUTOACK D...

Page 180: ...sts for this explicit purpose However existing relationships between methods and probes can complicate this process Follow these steps to remove a notification method 1 Log into the RHN website as an...

Page 181: ...e all required fields First select the Probe Command Group This alters the list of available probes and other fields and requirements Refer to Appendix C Probes for the complete list of probes by com...

Page 182: ...nux CPU Usage probe allows you to set CRITICAL and WARNING thresholds for the percent of CPU used If the monitored system reports 75 percent of its CPU used and the WARNING threshold is set to 70 per...

Page 183: ...ing First log into the RHN Server as root Then switch to the nocpulse user with the follow ing command su nocpulse You may now use the diagnostic tools described within the rest of this section 7 6 1...

Page 184: ...in conjunction with rhn runprobe to examine the complete output of the probe Note that by default rhn runprobe works in test mode meaning no results are entered in the database Here are its options O...

Page 185: ...ll run levels with a high level of verbosity More specifically you may provide the command parameters derived from rhn catalog like so rhn runprobe 5 log all 4 sshuser nocpulse sshport 4545 This yield...

Page 186: ...170 Chapter 7 Monitoring...

Page 187: ...m the prerequisites for managing a UNIX system with RHN as well as the installation procedure for UNIX clients 8 1 1 Supported UNIX Variants The following UNIX variants versions and architectures are...

Page 188: ...stration of RHN configuration channels 8 1 4 Differences in Functionality The following RHN features work differently in a UNIX environment The Red Hat Update Agent for UNIX offers a much smaller set...

Page 189: ...mpm Uploading package RHATrpush 3 1 5 23 sparc solaris mpm Note The following changes have been made to rhnpush 1 Patch cluster mpm files must be pushed concurrently with or after the mpm files for t...

Page 190: ...tellite server 1 During the Satellite installation Enable UNIX support on the Satellite by checking the Enable Solaris Support box during the installation process as pictured Figure 8 1 Enabling UNIX...

Page 191: ...UNIX Support After Satellite Installation 8 3 Client System Preparation Before your UNIX based client systems benefit from Red Hat Network they must be pre pared for connection 1 First you need to in...

Page 192: ...pressed archive tarball of packages from the var www html pub directory of your satellite server by using your favorite http file transfer method For example if you have wget installed you could downl...

Page 193: ...be accomplished with a command similar to mv path to RHN ORG TRUSTED SSL CERT opt redhat rhn solaris usr share rhn When finished the new client certificate will be installed in the appropriate direct...

Page 194: ...al lib directory To do so first verify that usr local lib is not in the search path by running the crle command with no arguments e g crle Configuration file var ld ld config Default Library Path ELF...

Page 195: ...er UNIX systems with your RHN Satellite Server accomplish the following tasks in this order 1 Log into the Satellite s version of the RHN website and click the Systems tab in the top navigation bar fo...

Page 196: ...Extra installation packages can go in a separate Extras child channel RHN treats patches similarly to packages they are listed and installed in the same way and with the same interface as normal pack...

Page 197: ...help message and exit v verbose Show additional output l list List the latest versions of all packages installed p packages Update packages associated with this System Profile hardware Update this sys...

Page 198: ...o your UNIX variant For instance in Solaris issue this command to create the directory mkdir p opt redhat rhn solaris etc sysconfig rhn allowed actions script To create the requisite file in Solaris i...

Page 199: ...mmand should run be fore or after the package action establish the settings for the command and click Schedule Package Install Upgrade Note that installing multiple packages that have different remote...

Page 200: ...184 Chapter 8 UNIX Support Guide...

Page 201: ...ontrol rhn actions control application is used to enable and disable configuration management of a system Client systems cannot be managed in this fashion by default This tool allows Organization Admi...

Page 202: ...e all options disable run Disable script run report Report whether the modes are enabled or disabled f force Force the operation without asking first h help show help message and exit Table A 1 rhn ac...

Page 203: ...cond version of etc example config txt went The rank of the etc example config txt file in config channel 17 was higher than that of the same file in config channel 14 As a result the version of the c...

Page 204: ...message and exit Table A 2 rhncfg client get options A 2 4 Differentiating between Config Files To view the differences between the config files deployed on the system and those stored by RHN issue th...

Page 205: ...ge and exit Table A 3 rhncfg client verify options A 3 Red Hat Network Configuration Manager Unlike the Red Hat Network Configuration Client the Red Hat Network Configura tion Manager rhncfg manager i...

Page 206: ...de offers its own set of options which can be seen by issuing the following com mand rhncfg manager mode help Replace mode with the name of the mode to be inspected rhncfg manager diff revisions help...

Page 207: ...ions available for rhncfg manager add Option Description cCHANNEL channel CHANNEL Upload files in this config channel dDEST_FILE dest file DEST_FILE Upload the file as this path delim start DELIM_STAR...

Page 208: ...a file across channels and revisions use the r flag to indi cate which revision of the file should be compared and the n flag to identify the two chan nels to be checked Refer to Section A 3 11 Deter...

Page 209: ...manager diff revisions options A 3 5 Downloading All Files in a Channel To download all the files in a channel to disk create a directory and issue the following command rhncfg manager download chann...

Page 210: ...sembling Files in config channel example channel3 tmp dest_path example config txt The following table lists the options available for rhncfg manager get Option Description cCHANNEL channel CHANNEL Ge...

Page 211: ...username rhn user Password Removing from config channel example channel3 tmp dest_path example config txt removed The following table lists the options available for rhncfg manager remove Option Desc...

Page 212: ...e for the given path issue the following command rhncfg manager update channel channel label dest file path to file txt local path to file The output resembles the following Pushing to channel example...

Page 213: ...ing config channel example channel4 Uploading tmp ola_world txt from blah4 tmp ola_world txt The following table lists the options available for rhncfg manager upload channel Option Description tTOPDI...

Page 214: ...198 Appendix A Command Line Config Management Tools...

Page 215: ...cause documentation for each class and method is available via the RHN API interface this section bypasses a list of classes and methods in favor of tips for using the API effi ciently These include s...

Page 216: ...Just click on the name of a channel and view the end of the URL It follows the symbol as part of a string that resembles the following details pxt cid 54 B 5 Getting the sgid System groups also have...

Page 217: ...The syntax of this call is described at http HOST rpc api auth login my session client call auth login username password System calls This next call returns a list of systems available to the user Th...

Page 218: ...Access This will probably be a pretty long list my packages client call system list_packages session systemid for my package packages print Dumper package Additional system calls are described at htt...

Page 219: ...n applicable to all probes in that group Section C 1 Probe Guidelines covers general guidelines the remaining sec tions examine individual probes Note Nearly all of the probes use Transmission Control...

Page 220: ...t of time allotted to the timeout period Otherwise an UNKNOWN status is returned in all instances of extended latency thereby nullifying the thresholds For this reason Red Hat strongly rec ommends ens...

Page 221: ...his probe to function properly Field Value Application Protocol http Port 80 Pathname server status UserAgent NOCpulse ApacheUptime 1 0 Username Password Timeout 15 Critical Maximum Megabytes Transfer...

Page 222: ...d Timeout 15 Critical Maximum Current Requests number Warning Maximum Current Requests number Critical Maximum Request Rate events per second Warning Maximum Request Rate events per second Critical Ma...

Page 223: ...r parameter can be left blank and both the SNMP queries and the probe will be sent to it only If the host to be probed is a Managed Server then the IP address of the Administration Server should be pr...

Page 224: ...col UDP Field Value SNMP Community String public SNMP Port 161 SNMP Version 1 BEA Domain Admin Server BEA Server Name myserver Queue Name default Critical Maximum Idle Execute Threads Warning Maximum...

Page 225: ...be monitors the Java Database Connec tion JDBC pool on a domain Admin Server only no Managed Servers and collects the following metrics Connections The number of connections to the JDBC Connections Ra...

Page 226: ...atus results This probe s transport protocol is User Datagram Protocol UDP Field Value SNMP Community String public SNMP Port 161 SNMP Version 1 BEA Domain Admin Server BEA Server Name Table C 7 BEA W...

Page 227: ...um High Execution Time Warning Maximum High Execution Time Critical Maximum Execution Time Moving Average Warning Maximum Execution Time Moving Average Table C 8 BEA WebLogic Servlet settings C 4 Gene...

Page 228: ...L tags perldata perldata hash hash item key item The remote program will need to output some iteration of the following code to STDOUT perldata hash item key data 10 item item key status_message statu...

Page 229: ...h the return value It collects the following metric Remote Service Latency The time it takes in seconds for the SNMP server to answer a connection request Requirements SNMP must be running on the moni...

Page 230: ...AL status Field Value Send Expect Port 1 Timeout 10 Critical Maximum Latency Warning Maximum Latency Table C 12 General TCP Check settings C 4 5 General UDP Check The General UDP Check probe tests you...

Page 231: ...d system and access to the OID must be enabled to perform this probe This probe s transport protocol is User Datagram Protocol UDP Field Value SNMP Community String public SNMP Port 161 SNMP Version 2...

Page 232: ...cts the following metric Read Rate The amount of data that is read in kilobytes per second Write Rate The amount of data that is written in kilobytes per second To obtain the value for the required Di...

Page 233: ...k space on a specific file system and collects the following metrics File System Used The percentage of the file system currently in use Space Used The amount of the file system in megabytes currently...

Page 234: ...he Red Hat Network Monitoring Daemon rhnmd must be running on the monitored system to execute this probe Field Value File system Timeout 15 Critical Maximum Inodes Percent Used Warning Maximum Inodes...

Page 235: ...x Load The Linux Load probe monitors the CPU of a system and collects the following metric Load The average load on the system CPU over various periods Requirements The Red Hat Network Monitoring Daem...

Page 236: ...x Process Counts by State The Linux Process Counts by State probe identifies the number of processes in the fol lowing states Blocked A process that has been switched to the waiting queue and whose st...

Page 237: ...imum Child Processes Warning Maximum Child Processes Table C 22 Linux Process Counts by State settings C 5 9 Linux Process Count Total The Linux Process Count Total probe monitors a system and collect...

Page 238: ...t of CPU utilization and consists of a program counter a register set and a stack space A thread is also called a lightweight process Physical Memory Used The amount of physical memory or RAM in kilob...

Page 239: ...is allows you for example to verify that two instances of the Apache HTTP Server are running regard less of the dynamic number of child processes If it is not selected the probe conducts a straightfor...

Page 240: ...kets still in the network CLOSE_WAIT The remote side has been shut down and is now waiting for the socket to close FIN_WAIT The socket is closed and the connection is now shutting down ESTABLISHED The...

Page 241: ...LOSE_WAIT Connections Critical Maximum FIN_WAIT Connections Warning Maximum FIN_WAIT Connections Critical Maximum ESTABLISHED Connections Warning Maximum ESTABLISHED Connections Critical Maximum SYN_R...

Page 242: ...n the monitored system to execute this probe Field Value Timeout 15 Warning Minimum Virtual Memory Free Critical Minimum Virtual Memory Free Table C 29 Linux Virtual Memory settings C 6 LogAgent The p...

Page 243: ...access to your log files In addition to the name and location of the log file to be monitored you must provide a regular expression to be matched against The expression must be formatted for egrep whi...

Page 244: ...own in bytes since the probe last ran Output Rate The number of bytes per minute the log file has grown since the probe last ran Lines The number of lines written to the log file since the probe last...

Page 245: ...in this section monitor aspects of the MySQL database using the mysqladmin binary No specific user privileges are needed for these probes Note that the mysql server package must be installed on the sy...

Page 246: ...ve been opened since the server was started Field Value Username Password MySQL Port 3306 Timeout 15 Critical Maximum Opened Objects Warning Maximum Opened Objects Warning Minimum Opened Objects Criti...

Page 247: ...ate probe monitors the MySQL server and collects the following metric Query Rate The average number of queries per second per database server Field Value Username Password MySQL Port 3306 Timeout 15 C...

Page 248: ...exceed the amount of time allotted to the timeout period Otherwise an UNKNOWN status is returned in all instances of extended latency thereby nullifying the thresholds C 8 1 Network Services DNS Look...

Page 249: ...ord in the appropriate fields to use this feature The optional Expect value is the string to be matched against after a successful connection is made to the FTP server If the expected string is not fo...

Page 250: ...ices Mail Transfer SMTP The Network Services Mail Transfer SMTP probe determines if it can connect to the SMTP port on the system Specifying an optional port number overrides the default port 25 It co...

Page 251: ...hat this probe conducts the ping from an RHN Server and not the monitored system Populating the IP Address field does not test connectivity between the system and the specified IP address but between...

Page 252: ...average against the Warning and Critical threshold levels The required Packets to send value allows you to control how many ICMP ECHO packets are sent to the address This probe collects the following...

Page 253: ...RPC server programs which provide function calls via that RPC network register them selves in the RPC network by declaring a program ID and a program name NFS is an example of a service that works vi...

Page 254: ...trieve the specified URL If no URL is specified the probe fetches the root document The probe looks for a HTTP 1 message from the system unless you alter that value Specifying another port number over...

Page 255: ...The time it takes in seconds for the HTTP server to answer a connection request This probe confirms it can connect to the HTTP port on the specified host and retrieve the specified URL If no URL is s...

Page 256: ...CT and SELECT_CATALOG_ROLE Some Oracle probes are specifically aimed at tuning devices for long term performance gains rather than avoiding outages Therefore Red Hat recommends scheduling them to occu...

Page 257: ...active sessions based on the value of V PARAMETER PROCESSES Available Sessions The percentage of active sessions that are available based on the value of V PARAMETER PROCESSES Field Value Oracle SID O...

Page 258: ...ssions that have been blocking for this duration which is measured in seconds are counted as blocking sessions Field Value Oracle SID Oracle Username Oracle Password Oracle Port 1521 Time Blocking sec...

Page 259: ...er Cache settings C 9 5 Oracle Client Connectivity The Oracle Client Connectivity probe determines if the database is up and capable of receiving connections from the monitored system This probe opens...

Page 260: ...ttempts in the data dictionary cache In other words the rate at which the database goes to the dictionary instead of the hard disk to retrieve data A low ratio suggests more RAM should be added to the...

Page 261: ...Timeout 30 Critical Maximum Disk Sort Ratio Warning Maximum Disk Sort Ratio Table C 54 Oracle Disk Sort Ratio settings C 9 8 Oracle Idle Sessions The Oracle Idle Sessions probe monitors an Oracle ins...

Page 262: ...mber of allocated extents for any index Available Extents The percentage of available extents for any index The required Index Name field contains a default value of that matches any index name Field...

Page 263: ...that must now retrieve the object from disk Field Value Oracle SID Oracle Username Oracle Password Oracle Port 1521 Timeout 30 Critical Maximum Library Cache Miss Ratio Warning Maximum Library Cache...

Page 264: ...per minute since the server has been started Redo Buffer Allocation Retry Rate The average number of buffer allocation retries per minute since the server was started The metrics returned and the thre...

Page 265: ...Extents are configured on a per table basis with an extent size and a maximum number of extents For example a table that starts with 10 MB of space and that is configured with an extent size of 1 MB a...

Page 266: ...ed Tablespace is the shared pool of space in which a set of tables live This probe alerts the user when the total amount of available space falls below the threshold Tablespace is measured in bytes so...

Page 267: ...in this section may be applied to the RHN Satellite Server itself to monitor its health and performance Since these probes run locally no specific application or transport protocols are required C 10...

Page 268: ...Average The seconds required to fully execute a probe Field Value Critical Maximum Probe Execution Time Average Warning Maximum Probe Execution Time Average Table C 64 RHN Satellite Server Execution...

Page 269: ...ite is overloaded because it has too many probes with respect to their average execution time the number goes up Field Value Critical Maximum Probe Latency Average Warning Maximum Probe Latency Averag...

Page 270: ...ollowing metrics Blocked The number of processes that have been switched to the waiting queue and waiting state Child The number of processes spawned by another process already running on the machine...

Page 271: ...the number of processes on a Satellite and collects the following metric Processes The number of processes running simultaneously on the machine Field Value Critical Maximum Processes Warning Maximum...

Page 272: ...e error Command not found is displayed and the probe is set to a CRITICAL state Field Value Command Name Process ID PID file Timeout 15 Critical Maximum CPU Usage Warning Maximum CPU Usage Critical Ma...

Page 273: ...threshold A WARNING status results if the value falls below the Warning threshold Field Value Critical Minimum Swap Percent Free Warning Minimum Swap Percent Free Table C 73 RHN Satellite Server Swap...

Page 274: ...258 Appendix C Probes...

Page 275: ...ls and subscribe the system to RHN system groups through the command line utility rhnreg_ks from the rhn_register package B Base Channel A base channel is a type of Channel that consists of a list of...

Page 276: ...ificate A client component in XML format that is stored in the etc sysconfig rhn systemid file on registered systems Red Hat Network verifies this certificate to authenticate the registered system bef...

Page 277: ...s including required RPMs and MD5 checksums for verification Errata are also available at http www redhat com errata Each RHN Errata Alert is based on the Red Hat En terprise Linux Errata List Securit...

Page 278: ...embers of this group can add users systems and system groups to the organization as well as remove them An Organization Administrator can also give users administrative privileges to system groups An...

Page 279: ...guring tracking and reverting systems R Registered System A system that is registered with Red Hat Network Also known as a client system Red Hat Network Daemon The RHN client daemon rhnsd that periodi...

Page 280: ...an RPM database that stores information about all the RPM packages installed on the system This information includes the version of the package which files were installed with the package a brief des...

Page 281: ...al Certificate System Profile Hardware and software information about the client system It is created during the registration process The software information is a list of RPM packages and their versi...

Page 282: ...266 Glossary...

Page 283: ...nnels 120 all 122 base 121 child 121 entitling 125 errata 124 list of 121 packages 124 relevant 121 retired 122 Software and Configuration Files 120 Channels and Packages Channel List 121 child channe...

Page 284: ...g details 119 viewing list of all errata 118 viewing list of applicable errata 117 Errata notifications automatic updates 5 G General probes 211 Remote Program 211 Remote Program with Data 212 SNMP Ch...

Page 285: ...148 Critical 147 Current State 148 General Config 152 introduction 157 list of probes 203 Notification 148 OK 148 Pending 147 prerequisites 157 Scout Config Push 152 service level 4 Status 146 Unknown...

Page 286: ...neral Remote Program 211 Remote Program with Data 212 SNMP Check 213 TCP Check 214 UDP Check 214 Uptime SNMP 215 Linux CPU Usage 216 Disk IO Throughput 216 Disk Usage 217 Inodes 218 Interface Traffic...

Page 287: ...r 166 Oracle 240 RHN Satellite Server 251 thresholds 166 WebLogic 207 Provisioning service level 3 proxy server with Red Hat Network Alert Notification Tool 46 with Red Hat Network Registration Client...

Page 288: ...iption 1 installing GPG keys 31 log file 34 registering with 13 starting 9 synchronizing system profile 33 reference guide bug reporting v conventions i introduction to the i registering with activati...

Page 289: ...ction certificate verification 6 subscribe to channel 121 system group 91 adding and removing 93 creating 93 deleting 94 editing details 94 list of 91 viewing details 93 system group list status 92 Sy...

Page 290: ...List 121 Channels 120 Config Channel List 128 Configuration Channel Details 130 Configuration File Details 132 custom system information 107 Errata 116 Errata Search 120 Help 154 kickstart profiles 1...

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