blog/Automatic_Munin_and_Nagios_configuration.html

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   6     <title>Petter Reinholdtsen: Automatic Munin and Nagios configuration</title>
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  14  <h1>
  15      <a href="http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen</a>
  16
  17  </h1>
  18
  19 </div>
  20
  21
  22     <div class="entry">
  23       <div class="title">Automatic Munin and Nagios configuration</div>
  24       <div class="date">27th January 2010</div>
  25       <div class="body"><p>One of the new features in the next Debian/Lenny based release of
  26 Debian Edu/Skolelinux, which is scheduled for release in the next few
  27 days, is automatic configuration of the service monitoring system
  28 Nagios.  The previous release had automatic configuration of trend
  29 analysis using Munin, and this Lenny based release take that a step
  30 further.</p>
  31
  32 <p>When installing a Debian Edu Main-server, it is automatically
  33 configured as a Munin and Nagios server.  In addition, it is
  34 configured to be a server for the
  35 <a href="http://wiki.debian.org/DebianEdu/HowTo/SiteSummary">SiteSummary
  36 system</a> I have written for use in Debian Edu.  The SiteSummary
  37 system is inspired by a system used by the University of Oslo where I
  38 work.  In short, the system provide a centralised collector of
  39 information about the computers on the network, and a client on each
  40 computer submitting information to this collector.  This allow for
  41 automatic information on which packages are installed on each machine,
  42 which kernel the machines are using, what kind of configuration the
  43 packages got etc.  This also allow us to automatically generate Munin
  44 and Nagios configuration.</p>
  45
  46 <p>All computers reporting to the sitesummary collector with the
  47 munin-node package installed is automatically enabled as a Munin
  48 client and graphs from the statistics collected from that machine show
  49 up automatically on http://www/munin/ on the Main-server.</p>
  50
  51 <p>All non-laptop computers reporting to the sitesummary collector are
  52 automatically monitored for network presence (ping and any network
  53 services detected).  In addition, all computers (also laptops) with
  54 the nagios-nrpe-server package installed and configured the way
  55 sitesummary would configure it, are monitored for full disks, software
  56 raid status, swap free and other checks that need to run locally on
  57 the machine.</p>
  58
  59 <p>The result is that the administrator on a school using Debian Edu
  60 based on Lenny will be able to check the health of his installation
  61 with one look at the Nagios settings, without having to spend any time
  62 keeping the Nagios configuration up-to-date.</p>
  63
  64 <p>The only configuration one need to do to get Nagios up and running
  65 is to set the password used to get access via HTTP.  The system
  66 administrator need to run "<tt>htpasswd /etc/nagios3/htpasswd.users
  67 nagiosadmin</tt>" to create a nagiosadmin user and set a password for
  68 it to be able to log into the Nagios web pages.  After that,
  69 everything is taken care of.</p>
  70 </div>
  71
  72       <div class="tags">Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sitesummary">sitesummary</a>.</div>
  73
  74
  75     </div>
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  84 <h2>Archive</h2>
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 122
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 145
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 147
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 149
 150 </ul></li>
 151
 152 <li>2015
 153 <ul>
 154
 155 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/01/">January (7)</a></li>
 156
 157 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/02/">February (6)</a></li>
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 160
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 162
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 166
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 168
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 170
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 172
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 175 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/11/">November (6)</a></li>
 176
 177 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/12/">December (3)</a></li>
 178
 179 </ul></li>
 180
 181 <li>2014
 182 <ul>
 183
 184 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/01/">January (2)</a></li>
 185
 186 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/02/">February (3)</a></li>
 187
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 189
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 191
 192 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/05/">May (1)</a></li>
 193
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 195
 196 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/07/">July (2)</a></li>
 197
 198 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/08/">August (2)</a></li>
 199
 200 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/09/">September (5)</a></li>
 201
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 203
 204 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/11/">November (3)</a></li>
 205
 206 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/12/">December (5)</a></li>
 207
 208 </ul></li>
 209
 210 <li>2013
 211 <ul>
 212
 213 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/01/">January (11)</a></li>
 214
 215 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/02/">February (9)</a></li>
 216
 217 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/03/">March (9)</a></li>
 218
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 220
 221 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/05/">May (9)</a></li>
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 226
 227 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/08/">August (3)</a></li>
 228
 229 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/09/">September (5)</a></li>
 230
 231 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/10/">October (7)</a></li>
 232
 233 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/11/">November (9)</a></li>
 234
 235 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/12/">December (3)</a></li>
 236
 237 </ul></li>
 238
 239 <li>2012
 240 <ul>
 241
 242 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/01/">January (7)</a></li>
 243
 244 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/02/">February (10)</a></li>
 245
 246 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/03/">March (17)</a></li>
 247
 248 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/04/">April (12)</a></li>
 249
 250 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/05/">May (12)</a></li>
 251
 252 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/06/">June (20)</a></li>
 253
 254 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/07/">July (17)</a></li>
 255
 256 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/08/">August (6)</a></li>
 257
 258 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/09/">September (9)</a></li>
 259
 260 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/10/">October (17)</a></li>
 261
 262 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/11/">November (10)</a></li>
 263
 264 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/12/">December (7)</a></li>
 265
 266 </ul></li>
 267
 268 <li>2011
 269 <ul>
 270
 271 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/01/">January (16)</a></li>
 272
 273 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/02/">February (6)</a></li>
 274
 275 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/03/">March (6)</a></li>
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 277 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/04/">April (7)</a></li>
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 281 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/06/">June (2)</a></li>
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 286
 287 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/09/">September (4)</a></li>
 288
 289 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/10/">October (2)</a></li>
 290
 291 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/11/">November (3)</a></li>
 292
 293 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/12/">December (1)</a></li>
 294
 295 </ul></li>
 296
 297 <li>2010
 298 <ul>
 299
 300 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/01/">January (2)</a></li>
 301
 302 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/02/">February (1)</a></li>
 303
 304 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/03/">March (3)</a></li>
 305
 306 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/04/">April (3)</a></li>
 307
 308 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/05/">May (9)</a></li>
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 310 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/06/">June (14)</a></li>
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 312 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/07/">July (12)</a></li>
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 314 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/08/">August (13)</a></li>
 315
 316 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/09/">September (7)</a></li>
 317
 318 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/10/">October (9)</a></li>
 319
 320 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/11/">November (13)</a></li>
 321
 322 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/12/">December (12)</a></li>
 323
 324 </ul></li>
 325
 326 <li>2009
 327 <ul>
 328
 329 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/01/">January (8)</a></li>
 330
 331 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/02/">February (8)</a></li>
 332
 333 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/03/">March (12)</a></li>
 334
 335 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/04/">April (10)</a></li>
 336
 337 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/05/">May (9)</a></li>
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 339 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/06/">June (3)</a></li>
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 341 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/07/">July (4)</a></li>
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 343 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/08/">August (3)</a></li>
 344
 345 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/09/">September (1)</a></li>
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 347 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/10/">October (2)</a></li>
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 349 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/11/">November (3)</a></li>
 350
 351 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/12/">December (3)</a></li>
 352
 353 </ul></li>
 354
 355 <li>2008
 356 <ul>
 357
 358 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/11/">November (5)</a></li>
 359
 360 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/12/">December (7)</a></li>
 361
 362 </ul></li>
 363
 364 </ul>
 365
 366
 367
 368 <h2>Tags</h2>
 369 <ul>
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 433  <li><a href="http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia (39)</a></li>
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 453  <li><a href="http://people.skolelinux.org/pere/blog/tags/reprap">reprap (11)</a></li>
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 457  <li><a href="http://people.skolelinux.org/pere/blog/tags/robot">robot (10)</a></li>
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 459  <li><a href="http://people.skolelinux.org/pere/blog/tags/rss">rss (1)</a></li>
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 461  <li><a href="http://people.skolelinux.org/pere/blog/tags/ruter">ruter (5)</a></li>
 462
 463  <li><a href="http://people.skolelinux.org/pere/blog/tags/scraperwiki">scraperwiki (2)</a></li>
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 465  <li><a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (53)</a></li>
 466
 467  <li><a href="http://people.skolelinux.org/pere/blog/tags/sitesummary">sitesummary (4)</a></li>
 468
 469  <li><a href="http://people.skolelinux.org/pere/blog/tags/skepsis">skepsis (5)</a></li>
 470
 471  <li><a href="http://people.skolelinux.org/pere/blog/tags/standard">standard (55)</a></li>
 472
 473  <li><a href="http://people.skolelinux.org/pere/blog/tags/stavekontroll">stavekontroll (6)</a></li>
 474
 475  <li><a href="http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget (12)</a></li>
 476
 477  <li><a href="http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance (53)</a></li>
 478
 479  <li><a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin (4)</a></li>
 480
 481  <li><a href="http://people.skolelinux.org/pere/blog/tags/usenix">usenix (2)</a></li>
 482
 483  <li><a href="http://people.skolelinux.org/pere/blog/tags/valg">valg (9)</a></li>
 484
 485  <li><a href="http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri (10)</a></li>
 486
 487  <li><a href="http://people.skolelinux.org/pere/blog/tags/video">video (61)</a></li>
 488
 489  <li><a href="http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (4)</a></li>
 490
 491  <li><a href="http://people.skolelinux.org/pere/blog/tags/web">web (40)</a></li>
 492
 493 </ul>
 494
 495
 496     </div>
 497     <p style="text-align: right">
 498  Created by <a href="http://steve.org.uk/Software/chronicle">Chronicle v4.6</a>
 499 </p>
 500
 501   </body>
 502 </html>