Red Hat NETWORK 4.0 - Manuale utente

Red Hat Network 4.0

Reference Guide

Red Hat Network 4.0: Reference Guide

Red Hat, Inc.

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RHNref(EN)-4.0-RHI (2005-06-17T12:14)

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Table of Contents

Introduction to the Guide.................................................................................................. i

1. Document Conventions ........................................................................................ i

2. More to Come ......................................................................................................v

2.1. Send in Your Feedback .........................................................................v

1. Red Hat Network Overview ..........................................................................................1

1.1. Update ...............................................................................................................2

1.2. Management......................................................................................................3

1.3. Provisioning ......................................................................................................3

1.4. Monitoring ........................................................................................................4

1.5. Errata Notiﬁcations and Scheduled Package Installations ................................5

1.6. Security, Quality Assurance, and Red Hat Network .........................................5

1.7. Before You Begin..............................................................................................6

2. Red Hat Update Agent...................................................................................................9

2.1. Starting the Red Hat Update Agent ................................................................9

2.2. Registration .....................................................................................................13

2.2.1. Registering a User Account .............................................................14

2.2.2. Activate ............................................................................................17

2.2.3. Channels...........................................................................................20

2.2.4. Packages Flagged 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 Package Installation ............................................................33

2.3.3. Synchronizing Your System Proﬁle .................................................33

2.3.4. Log File ............................................................................................34

2.4. Conﬁguration ..................................................................................................34

2.4.1. Using the Red Hat Update Agent Conﬁguration Tool.................34

2.4.2. Command Line Version ...................................................................38

2.5. Registering with Activation Keys ...................................................................39

3. Red Hat Network Daemon ..........................................................................................43

3.1. Conﬁguring .....................................................................................................43

3.2. Viewing Status ................................................................................................43

3.3. Disabling .........................................................................................................44

3.4. Troubleshooting ..............................................................................................44

4. Red Hat Network Alert Notiﬁcation Tool ..................................................................45

4.1. Conﬁguring the Applet ...................................................................................45

4.2. Notiﬁcation Icons............................................................................................46

4.3. Viewing Updates .............................................................................................47

4.4. Applying Updates ...........................................................................................48

4.5. Launching the RHN Website ..........................................................................48

5. Red Hat Network Registration Client........................................................................49

5.1. Conﬁguring the Red Hat Network Registration Client...............................49

5.2. Starting the Red Hat Network Registration Client .....................................51

5.3. Registering a User Account ............................................................................54

5.4. Registering a System Proﬁle ...........................................................................56

5.4.1. Hardware System Proﬁle .................................................................56

5.4.2. Software System Proﬁle...................................................................58

5.5. Finishing Registration .....................................................................................60

5.6. Entitling Your System .....................................................................................62

5.7. Text Mode RHN Registration Client ..............................................................63

6. Red Hat Network Website...........................................................................................65

6.1. Navigation .......................................................................................................65

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

6.3.1. Your Account ...................................................................................73

6.3.2. Your Preferences ..............................................................................74

6.3.3. Purchase History ..............................................................................75

6.4. Systems ...........................................................................................................75

6.4.1. Overview — .............................................................................75

6.4.2. Systems ............................................................................................76

6.4.3. System Groups — ....................................................................91

6.4.4. System Set Manager — ...........................................................95

6.4.5. System Entitlements ......................................................................102

6.4.6. Advanced Search — ..............................................................104

6.4.7. Activation Keys — .................................................................104

6.4.8. Stored Proﬁles — ...................................................................106

6.4.9. Custom System Info — ..........................................................106

6.4.10. Kickstart — ..........................................................................107

6.5. Errata.............................................................................................................116

6.5.1. Relevant Errata...............................................................................117

6.5.2. All Errata........................................................................................118

6.5.3. Advanced Search............................................................................120

6.6. Channels........................................................................................................120

6.6.1. Software Channels .........................................................................120

6.6.2. Channel Entitlements .....................................................................125

6.6.3. Easy ISOs.......................................................................................125

6.6.4. Package Search ..............................................................................126

6.6.5. Manage Software Channels ...........................................................126

6.6.6. Manage Conﬁg Channels — ..................................................128

6.7. Schedule ........................................................................................................135

6.7.1. Pending Actions .............................................................................136

6.7.2. Failed Actions ................................................................................137

6.7.3. Completed Actions.........................................................................137

6.7.4. Archived Actions ...........................................................................137

6.7.5. Actions List....................................................................................137

6.8. Users — ................................................................................................139

6.8.1. User List ⇒Active — ...........................................................140

6.8.2. User List ⇒Disabled — .......................................................145

6.8.3. User List ⇒All — ................................................................145

6.9. Monitoring — .......................................................................................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 ....................................153

6.10.2. Satellite Tools ⇒String Manager ...............................................154

6.11. Help.............................................................................................................154

6.11.1. Help Desk.....................................................................................154

6.11.2. Quick Start Guide ........................................................................154

6.11.3. FAQ ..............................................................................................154

6.11.4. Migration FAQ .............................................................................154

6.11.5. Reference Guide...........................................................................155

6.11.6. Best Practices Guide ....................................................................155

6.11.7. Contact RHN................................................................................155

6.11.8. Satellite Installation Guide...........................................................155

6.11.9. Proxy Guide .................................................................................155

6.11.10. Client Conﬁguration Guide........................................................155

6.11.11. Channel Management Guide......................................................156

6.11.12. Terms & Conditions ...................................................................156

6.11.13. Outage Policy .............................................................................156

6.11.14. Release Notes.............................................................................156

6.11.15. Get RHN Software .....................................................................156

7. Monitoring ..................................................................................................................157

7.1. Prerequisites ..................................................................................................157

7.2. Red Hat Network Monitoring Daemon (rhnmd) ..........................................158

7.2.1. Probes requiring the daemon .........................................................158

7.2.2. Installing the Red Hat Network Monitoring Daemon....................159

7.2.3. Conﬁguring SSH............................................................................159

7.2.4. Installing the SSH key ...................................................................160

7.3. mysql-server package ..............................................................................161

7.4. Notiﬁcations ..................................................................................................161

7.4.1. Creating Notiﬁcation Methods.......................................................161

7.4.2. Receiving Notiﬁcations..................................................................162

7.4.3. Redirecting Notiﬁcations ...............................................................163

7.4.4. Filtering Notiﬁcations ....................................................................164

7.4.5. Deleting Notiﬁcation Methods.......................................................164

7.5. Probes............................................................................................................165

7.5.1. Managing Probes ...........................................................................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 Support Guide .................................................................................................171

8.1. Introduction...................................................................................................171

8.1.1. Supported UNIX Variants ..............................................................171

8.1.2. Prerequisites ...................................................................................171

8.1.3. Included Features ...........................................................................171

8.1.4. Differences in Functionality ..........................................................172

8.1.5. Excluded Features ..........................................................................173

8.2. Satellite Server Preparation/Conﬁguration ...................................................174

8.3. Client System Preparation.............................................................................175

8.3.1. Installing Additional Packages ......................................................176

8.3.2. Deploying Client SSL Certiﬁcates .................................................177

8.3.3. Conﬁguring the clients ...................................................................177

8.4. Registration and Updates ..............................................................................178

8.4.1. Registering Systems.......................................................................179

8.4.2. Obtaining Updates .........................................................................179

8.5. Remote Commands.......................................................................................181

8.5.1. Enabling Commands......................................................................182

8.5.2. Issuing Commands.........................................................................182

A. Command Line Conﬁg Management Tools ............................................................185

A.1. Red Hat Network Actions Control ...........................................................185

A.1.1. General command line options .....................................................185

A.2. Red Hat Network Conﬁguration Client ...................................................186

A.2.1. Listing Conﬁg Files.......................................................................186

A.2.2. Getting a Conﬁg File.....................................................................187

A.2.3. Viewing Conﬁg Channels .............................................................188

A.2.4. Differentiating between Conﬁg Files ............................................188

A.2.5. Verifying Conﬁg Files ...................................................................189

A.3. Red Hat Network Conﬁguration Manager ..............................................189

A.3.1. Creating a Conﬁg Channel ............................................................190

A.3.2. Adding Files to a Conﬁg Channel.................................................190

A.3.3. Differentiating between Latest Conﬁg Files .................................191

A.3.4. Differentiating between Various Versions.....................................192

A.3.5. Downloading All Files in a Channel .............................................193

A.3.6. Getting the Contents of a File .......................................................193

A.3.7. Listing All Files in 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 File in a Channel.......................................................196

A.3.13. Uploading Multiple Files at Once ...............................................197

B. RHN API Access........................................................................................................199

B.1. Using the auth Class and Getting the Session ..............................................199

B.2. Obtaining the system_id...............................................................................199

B.3. Determining the sid ......................................................................................200

B.4. Viewing the cid.............................................................................................200

B.5. Getting the sgid ............................................................................................200

B.6. Sample API Script ........................................................................................200

C. Probes.........................................................................................................................203

C.1. Probe Guidelines ..........................................................................................203

C.2. Apache 1.3.x and 2.0.x.................................................................................204

C.2.1. Apache::Processes .........................................................................204

C.2.2. Apache::Trafﬁc..............................................................................205

C.2.3. Apache::Uptime ............................................................................206

C.3. BEA WebLogic 6.x and higher ....................................................................207

C.3.1. BEA WebLogic::Execute Queue...................................................207

C.3.2. BEA WebLogic::Heap Free ..........................................................208

C.3.3. BEA WebLogic::JDBC Connection Pool .....................................209

C.3.4. BEA WebLogic::Server State........................................................210

C.3.5. BEA WebLogic::Servlet ................................................................210

C.4. General .........................................................................................................211

C.4.1. General::Remote Program.............................................................211

C.4.2. General::Remote Program with Data ............................................212

C.4.3. General::SNMP Check ..................................................................213

C.4.4. General::TCP Check .....................................................................213

C.4.5. General::UDP Check.....................................................................214

C.4.6. General::Uptime (SNMP) .............................................................215

C.5. Linux ............................................................................................................215

C.5.1. Linux::CPU Usage ........................................................................216

C.5.2. Linux::Disk IO Throughput ..........................................................216

C.5.3. Linux::Disk Usage.........................................................................217

C.5.4. Linux::Inodes ................................................................................218

C.5.5. Linux::Interface Trafﬁc .................................................................218

C.5.6. Linux::Load...................................................................................219

C.5.7. Linux::Memory Usage ..................................................................219

C.5.8. Linux::Process Counts by State ....................................................220

C.5.9. Linux::Process Count Total ...........................................................221

C.5.10. Linux::Process Health .................................................................221

C.5.11. Linux::Process Running ..............................................................223

C.5.12. Linux::Swap Usage .....................................................................223

C.5.13. Linux::TCP Connections by State...............................................224

C.5.14. Linux::Users ................................................................................225

C.5.15. Linux::Virtual Memory ...............................................................226

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 ...................................................................230

C.7.4. MySQL::Query Rate .....................................................................231

C.7.5. MySQL::Threads Running ............................................................231

C.8. Network Services .........................................................................................232

C.8.1. Network Services::DNS Lookup...................................................232

C.8.2. Network Services::FTP .................................................................233

C.8.3. Network Services::IMAP Mail......................................................233

C.8.4. Network Services::Mail Transfer (SMTP) ....................................234

C.8.5. Network Services::Ping .................................................................234

C.8.6. Network Services::POP Mail ........................................................235

C.8.7. Network Services::Remote Ping ...................................................236

C.8.8. Network Services::RPCService.....................................................237

C.8.9. Network Services::Secure Web Server (HTTPS)..........................238

C.8.10. Network Services::SSH ...............................................................238

C.8.11. Network Services::Web Server (HTTP)......................................239

C.9. Oracle 8i and 9i ............................................................................................240

C.9.1. Oracle::Active Sessions.................................................................241

C.9.2. Oracle::Availability .......................................................................241

C.9.3. Oracle::Blocking Sessions.............................................................242

C.9.4. Oracle::Buffer Cache.....................................................................242

C.9.5. Oracle::Client Connectivity ...........................................................243

C.9.6. Oracle::Data Dictionary Cache .....................................................244

C.9.7. Oracle::Disk Sort Ratio .................................................................244

C.9.8. Oracle::Idle Sessions .....................................................................245

C.9.9. Oracle::Index Extents ....................................................................246

C.9.10. Oracle::Library Cache .................................................................246

C.9.11. Oracle::Locks ..............................................................................247

C.9.12. Oracle::Redo Log ........................................................................248

C.9.13. Oracle::Table Extents ..................................................................249

C.9.14. Oracle::Tablespace Usage ...........................................................250

C.9.15. Oracle::TNS Ping ........................................................................250

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::Latency ....................................................253

C.10.5. RHN Satellite Server::Load ........................................................253

C.10.6. RHN Satellite Server::Probe Count.............................................254

C.10.7. RHN Satellite Server::Process Counts ........................................254

C.10.8. RHN Satellite Server::Processes .................................................255

C.10.9. RHN Satellite Server::Process Health .........................................255

C.10.10. RHN Satellite Server::Process Running....................................256

C.10.11. RHN Satellite Server::Swap ......................................................257

C.10.12. RHN Satellite Server::Users......................................................257

Glossary ..........................................................................................................................259

Index................................................................................................................................267

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