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Nagios, as provided with HP Insight Control for Linux, is configured with system and network
service checks already in place for your system; these network service checks are automatically
configured for each managed system.
Nagios obtains its sensor and metric data from the Supermon open source monitoring application,
which is integrated with the Insight Control for Linux.
Figure 14-1 illustrates the interaction of these tools.
Figure 14-1 System monitoring tools integration
The mond and syslog daemons run on every managed system. The Supermon service manages
requests for mond daemons that run on a subset of systems. The Nagios master runs its
check_metrics plug-in periodically, which causes Supermon data collection and storage into
the database. The syslog daemons on the managed systems report events to the syslog-ng
service. The managed systems are configured to forward their syslog events to the syslog-ng
service on the CMS
14.2.1 Nagios documentation
For more information about Nagios, see the following sources:
• Nagios documentation:
www.nagios.org
• Nagios features:
www.nagios.org/about/
• Additional information on Nagios is commercially available. The following website lists
documents that describe Nagios and its use for system and network administration:
http://www.nagios.org/propaganda/books/
14.2 Nagios overview 153
- HP Part Number: 483100-005 1
- Published: January 2010 1
- Edition: 5 1
- Table of Contents 3
- 4 Table of Contents 4
- Table of Contents 5 5
- 6 Table of Contents 6
- Table of Contents 7 7
- 8 Table of Contents 8
- Table of Contents 9 9
- 10 Table of Contents 10
- # man command_name 16
- 1.9 Validating RPM signatures 17
- 1.12 Virtual media 18
- 1.13 Managed system names 19
- 1.14 Security 21
- 1.14.2 Trusted certificates 22
- 1.15 Connecting to HP SIM 23
- 2.1 Introduction 25
- 2.5 Next Step 35
- 3.1 Discovering systems 37
- 3.1 Discovering systems 39 39
- # /sbin/hpsnmpconfig 40
- 3.4 Changing the boot method 42
- 3.5 Next steps 43
- # /bin/hostname 49
- # mxgethostname -n venus 49
- Host name: venus.example.com 49
- DNS Name: venus.example.com 49
- 4.5 Next steps 54
- 5.1 Overview of monitoring 55
- PermitRootLogin yes 56
- # /etc/init.d sshd restart 56
- # pdsh -a uptime 57
- If Warnings Are Reported 59
- Requirements 62
- 6.1.2 Repository contents 63
- 6.2.1 Registration overview 64
- 6.2.3 Registering PSPs 66
- Description 67
- PSP version 67
- Operating Systems 67
- Item Name: MyConfig 68
- # mkdir CD1 71
- # mkdir CD2 71
- # mkdir CD3 71
- # mkdir CD4 71
- Listen 80 73
- # /etc/init.d/httpd restart 73
- /^[Space-TAB]*kernel 86
- GUID: GUID_number 95
- # cd /opt/repository/iso 95
- # rm -f GUID_number*.iso 95
- 8.2.1 Initial setup 100
- HPSUM_FLAGS=parameters 101
- HPSUM_FLAGS=--downgrade 101
- FW_UPG_WAIT_TIMEOUT=900 103
- 9.2 Required PSP components 105
- 10.1.1 File system types 110
- For Enclosures 117
- For Switches 118
- Switch1=n1 n[3-5] 119
- 11.1 Task results overview 125
- 11.3 Task results page 125
- Figure 11-1 Task results page 126
- 11.4 Common task results 127
- 11.4.1.1 Stopping a task 128
- 11.4.3 Operation details log 129
- 11.5.2 Target details table 133
- 11.6.1 Operations table 135
- 11.6.2 Operation controls 136
- 12.1 Installing virtual hosts 139
- ksdevice=eth1 142
- # cd /tmp 143
- # vi osver-virt-guest.cfg 143
- 13.2 Populating a collection 148
- Linux collection 149
- 14.2 Nagios overview 152
- 14.2.1 Nagios documentation 153
- 14.2.2 Launching Nagios 154
- 14.2 Nagios overview 155 155
- 14.3 Using Nagios 156
- 14.3.1 Viewing network health 157
- 14.3 Using Nagios 159 159
- # nrg --mode analyze 161
- 14.3 Using Nagios 163 163
- Control for Linux 166
- 15 Customizing Nagios 173
- # /etc/init.d/nagios restart 179
- # /etc/init.d/nagios stop 181
- # /etc/init.d/nagios start 181
- SENSORPRINT0 = CPU[0-9]+ TEMP 183
- SENSORPRINT1 = SYS TEMP 183
- SENSORPRINT2 = Temp[1-9]+ 183
- FULLSENSORLISTING = 1 183
- # shownode info 185
- # shownode virtual 186
- # shownode metrics paging 187
- 16.2.4.3 Displaying memory 188
- 17 Remote server controls 191
- 18.2 How CMF works 193
- # service cmfd restart 195
- 19.4.1 Running an SSH command 199
- 19.4.2 Running a Linux script 200
- 20 Managing licenses 203
- 20.3 Licensing virtual guests 204
- 21 Miscellaneous topics 205
- DISCOVERY_MAX_AT_ONCE=servers 206
- # /opt/mx/bin/mxstop 206
- # /opt/mx/bin/mxstart 206
- # rm /root/.ssh/icelx_* 206
- 21.7 Event logging overview 207
- # cd /opt/hptc/syslog-ng/etc 208
- 21.9.1 Configuring SNMP 209
- 210 Miscellaneous topics 210
- 22 Advanced topics 211
- 212 Advanced topics 212
- Agents task 213
- 214 Advanced topics 214
- 23 Troubleshooting 215
- 23.2 Alternative booting 216
- 23.14 Nagios Troubleshooting 235
- 236 Troubleshooting 236
- # ps auxww 239
- # service snmpd status 248
- # /bin/ps 250
- 24.1 Contacting HP 259
- 24.1.5 Documentation feedback 260
- 24.3 Related information 261
- 24.3.2 Websites 262
- 24.4 Typographic conventions 263
- Glossary 267
- 268 Glossary 268
- 272 Index 272
- 274 Index 274
- 276 Index 276
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