Software for Linux User guide

changing credentials, 190
credentials, 196
enabling telnet on, 187
enabling virtual media, 60
iLO, 159
IPMI, 159
lost association to server, 236
obtaining status of, 236
setting user name and password, 13
memory, 183
menu items, 12
metrics collection interval, 258
mond management agent, 159
monitoring
environmental data, 170
hosts and services, 164
hosts and services with problems, 166
network bandwith, 167
real time metrics, 174
services failure, 205
strategy, 158
troubleshooting, 216
using Nagios, 162
using the command line, 179
monitoring services
configuring and starting, 153
N
Nagios
/opt/hptc/nagios/etc/selRules file, 260
alert messages, 172
changing default settings, 259
changing default user name, 254
changing rules file, 260
changing sensor thresholds, 257
configuration file, 257
customizing, 254
default alert message format, 172
defined, 158
determining status of Nagios service, 220
disabling plug-ins, 259
documentation, 160, 251
enclosure collection monitor CRITICAL status, 207
event logs, 173
fails to start, 224
features, 160
forwarding alert messages, 173
global settings, 259
host, 162
HP Graph menu item, 167
launching, 156, 161
log files, 220
main window, 161
master configuration file, 259
messages reported by, 221–224
metrics collection, 258
monitored services, 170
nagios.cfg file, 259
nagios_vars.ini file, 257, 258
Nan utility, 261
network health, 162
nrg command, 167
nrpe management agent, 159
overview, 159
password file, 261
plug-ins, 170
plug-ins running on CMS, 170
rebuilding nagios_vars.ini file, 258
restarting, 256
rules file, 172
services monitored on managed systems, 171
setting plug-in constants and variables, 258
starting, 256
stopping, 256
troubleshooting, 224
updating the Nagios configuration, 257
viewing hosts and sevices, 164
viewing problems, 166
views, 161
Nagios alert messages
default format, 172
Nagios plug-in
running manually, 221
Nagios Report Generator see nrg command
nagios.cfg file, 259
nagios_vars.ini file, 257, 258
Nan utility, 261
nand daemon see Nan
network bandwidth
monitoring, 167
network configuration, 17
Network Configuration Editor, 65
freeing an IP address, 69
network configuration editor, 13
network definition
changing parameters, 64
loading, 64
network definitions, 62
network groups for scalable deployment, 109
network health
monitoring with Nagios, 162
network ports, 78
Network Time Protocol see NTP
networks
defining, 12
nh defined, 184
nodename command, 16
nrg command, 16, 156, 167, 184–185, 221
nrpe management agent, 159
NTP
ports, 17
O
OA
credentials, 207
setting user name and password, 74
onboard administrator see OA
operating system see OS
268 Index