blog/Why_the_KDE_menu_is_slow_when__usr__is_NFS_mounted___and_a_workaround.html

   1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
   2           "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
   3 <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr">
   4   <head>
   5     <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
   6     <title>Petter Reinholdtsen: Why the KDE menu is slow when /usr/ is NFS mounted - and a workaround</title>
   7     <link rel="stylesheet" type="text/css" media="screen" href="http://people.skolelinux.org/pere/blog/style.css" />
   8     <link rel="stylesheet" type="text/css" media="screen" href="http://people.skolelinux.org/pere/blog/vim.css" />
   9
  10
  11   </head>
  12   <body>
  13     <div class="title">
  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">Why the KDE menu is slow when /usr/ is NFS mounted - and a workaround</div>
  24       <div class="date"> 6th April 2012</div>
  25       <div class="body"><p>Recently I have spent time with
  26 <a href="http://www.slxdrift.no/">Skolelinux Drift AS</a> on speeding
  27 up a <a href="http://www.skolelinux.org/">Debian Edu / Skolelinux</a>
  28 Lenny installation using LTSP diskless workstations, and in the
  29 process I discovered something very surprising.  The reason the KDE
  30 menu was responding slow when using it for the first time, was mostly
  31 due to the way KDE find application icons.  I discovered that showing
  32 the Multimedia menu would cause more than 20 000 IP packages to be
  33 passed between the LTSP client and the NFS server.  Most of these were
  34
  35 NFS LOOKUP calls, resulting in a NFS3ERR_NOENT response.  Because the
  36 ping times between the client and the server were in the range 2-20
  37 ms, the menus would be very slow.  Looking at the strace of kicker in
  38 Lenny (or plasma-desktop i Squeeze - same problem there), I see that
  39 the source of these NFS calls are access(2) system calls for
  40 non-existing files.  KDE can do hundreds of access(2) calls to find
  41 one icon file.  In my example, just finding the mplayer icon required
  42 around 230 access(2) calls.</p>
  43
  44 <p>The KDE code seem to search for icons using a list of icon
  45 directories, and the list of possible directories is large.  In
  46 (almost) each directory, it look for files ending in .png, .svgz, .svg
  47 and .xpm.  The result is a very slow KDE menu when /usr/ is NFS
  48 mounted.  Showing a single sub menu may result in thousands of NFS
  49 requests.  I am not the first one to discover this.  I found a
  50 <a href="https://bugs.kde.org/show_bug.cgi?id=211416">KDE bug report
  51 from 2009</a> about this problem, and it is still unsolved.</p>
  52
  53 <p>My solution to speed up the KDE menu was to create a package
  54 kde-icon-cache that upon installation will look at all .desktop files
  55 used to generate the KDE menu, find their icons, search the icon paths
  56 for the file that KDE will end up finding at run time, and copying the
  57 icon file to /var/lib/kde-icon-cache/.  Finally, I add symlinks to
  58 these icon files in one of the first directories where KDE will look
  59 for them.  This cut down the number of file accesses required to find
  60 one icon from several hundred to less than 5, and make the KDE menu
  61 almost instantaneous.  I'm not quite sure where to make the package
  62 publicly available, so for now it is only available on request.</p>
  63
  64 <p>The bug report mention that this do not only affect the KDE menu
  65 and icon handling, but also the login process.  Not quite sure how to
  66 speed up that part without replacing NFS with for example NBD, and
  67 that is not really an option at the moment.</p>
  68
  69 <p>If you got feedback on this issue, please let us know on debian-edu
  70 (at) lists.debian.org.</p>
  71
  72 <p>Update 2015-08-04: The
  73 <a href="http://anonscm.debian.org/cgit/debian-edu/upstream/kde-icon-cache.git/">source
  74 of the scripts and associated Debian package</a> is available from the
  75 Debian Edu github repository.</p>
  76 </div>
  77
  78       <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>.</div>
  79
  80
  81     </div>
  82
  83
  84
  85
  86     <div id="sidebar">
  87
  88
  89
  90 <h2>Archive</h2>
  91 <ul>
  92
  93 <li>2019
  94 <ul>
  95
  96 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/01/">January (4)</a></li>
  97
  98 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/02/">February (3)</a></li>
  99
 100 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/03/">March (3)</a></li>
 101
 102 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/05/">May (2)</a></li>
 103
 104 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/06/">June (2)</a></li>
 105
 106 </ul></li>
 107
 108 <li>2018
 109 <ul>
 110
 111 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/01/">January (1)</a></li>
 112
 113 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/02/">February (5)</a></li>
 114
 115 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/03/">March (5)</a></li>
 116
 117 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/04/">April (3)</a></li>
 118
 119 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/06/">June (2)</a></li>
 120
 121 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/07/">July (5)</a></li>
 122
 123 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/08/">August (3)</a></li>
 124
 125 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/09/">September (3)</a></li>
 126
 127 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/10/">October (5)</a></li>
 128
 129 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/11/">November (2)</a></li>
 130
 131 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/12/">December (4)</a></li>
 132
 133 </ul></li>
 134
 135 <li>2017
 136 <ul>
 137
 138 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/01/">January (4)</a></li>
 139
 140 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/02/">February (3)</a></li>
 141
 142 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/03/">March (5)</a></li>
 143
 144 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/04/">April (2)</a></li>
 145
 146 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/06/">June (5)</a></li>
 147
 148 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/07/">July (1)</a></li>
 149
 150 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/08/">August (1)</a></li>
 151
 152 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/09/">September (3)</a></li>
 153
 154 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/10/">October (5)</a></li>
 155
 156 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/11/">November (3)</a></li>
 157
 158 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/12/">December (4)</a></li>
 159
 160 </ul></li>
 161
 162 <li>2016
 163 <ul>
 164
 165 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/01/">January (3)</a></li>
 166
 167 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/02/">February (2)</a></li>
 168
 169 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/03/">March (3)</a></li>
 170
 171 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/04/">April (8)</a></li>
 172
 173 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/05/">May (8)</a></li>
 174
 175 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/06/">June (2)</a></li>
 176
 177 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/07/">July (2)</a></li>
 178
 179 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/08/">August (5)</a></li>
 180
 181 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/09/">September (2)</a></li>
 182
 183 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/10/">October (3)</a></li>
 184
 185 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/11/">November (8)</a></li>
 186
 187 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/12/">December (5)</a></li>
 188
 189 </ul></li>
 190
 191 <li>2015
 192 <ul>
 193
 194 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/01/">January (7)</a></li>
 195
 196 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/02/">February (6)</a></li>
 197
 198 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/03/">March (1)</a></li>
 199
 200 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/04/">April (4)</a></li>
 201
 202 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/05/">May (3)</a></li>
 203
 204 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/06/">June (4)</a></li>
 205
 206 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/07/">July (6)</a></li>
 207
 208 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/08/">August (2)</a></li>
 209
 210 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/09/">September (2)</a></li>
 211
 212 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/10/">October (9)</a></li>
 213
 214 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/11/">November (6)</a></li>
 215
 216 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/12/">December (3)</a></li>
 217
 218 </ul></li>
 219
 220 <li>2014
 221 <ul>
 222
 223 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/01/">January (2)</a></li>
 224
 225 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/02/">February (3)</a></li>
 226
 227 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/03/">March (8)</a></li>
 228
 229 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/04/">April (7)</a></li>
 230
 231 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/05/">May (1)</a></li>
 232
 233 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/06/">June (2)</a></li>
 234
 235 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/07/">July (2)</a></li>
 236
 237 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/08/">August (2)</a></li>
 238
 239 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/09/">September (5)</a></li>
 240
 241 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/10/">October (6)</a></li>
 242
 243 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/11/">November (3)</a></li>
 244
 245 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/12/">December (5)</a></li>
 246
 247 </ul></li>
 248
 249 <li>2013
 250 <ul>
 251
 252 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/01/">January (11)</a></li>
 253
 254 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/02/">February (9)</a></li>
 255
 256 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/03/">March (9)</a></li>
 257
 258 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/04/">April (6)</a></li>
 259
 260 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/05/">May (9)</a></li>
 261
 262 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/06/">June (10)</a></li>
 263
 264 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/07/">July (7)</a></li>
 265
 266 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/08/">August (3)</a></li>
 267
 268 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/09/">September (5)</a></li>
 269
 270 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/10/">October (7)</a></li>
 271
 272 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/11/">November (9)</a></li>
 273
 274 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/12/">December (3)</a></li>
 275
 276 </ul></li>
 277
 278 <li>2012
 279 <ul>
 280
 281 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/01/">January (7)</a></li>
 282
 283 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/02/">February (10)</a></li>
 284
 285 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/03/">March (17)</a></li>
 286
 287 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/04/">April (12)</a></li>
 288
 289 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/05/">May (12)</a></li>
 290
 291 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/06/">June (20)</a></li>
 292
 293 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/07/">July (17)</a></li>
 294
 295 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/08/">August (6)</a></li>
 296
 297 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/09/">September (9)</a></li>
 298
 299 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/10/">October (17)</a></li>
 300
 301 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/11/">November (10)</a></li>
 302
 303 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/12/">December (7)</a></li>
 304
 305 </ul></li>
 306
 307 <li>2011
 308 <ul>
 309
 310 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/01/">January (16)</a></li>
 311
 312 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/02/">February (6)</a></li>
 313
 314 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/03/">March (6)</a></li>
 315
 316 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/04/">April (7)</a></li>
 317
 318 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/05/">May (3)</a></li>
 319
 320 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/06/">June (2)</a></li>
 321
 322 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/07/">July (7)</a></li>
 323
 324 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/08/">August (6)</a></li>
 325
 326 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/09/">September (4)</a></li>
 327
 328 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/10/">October (2)</a></li>
 329
 330 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/11/">November (3)</a></li>
 331
 332 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/12/">December (1)</a></li>
 333
 334 </ul></li>
 335
 336 <li>2010
 337 <ul>
 338
 339 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/01/">January (2)</a></li>
 340
 341 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/02/">February (1)</a></li>
 342
 343 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/03/">March (3)</a></li>
 344
 345 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/04/">April (3)</a></li>
 346
 347 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/05/">May (9)</a></li>
 348
 349 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/06/">June (14)</a></li>
 350
 351 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/07/">July (12)</a></li>
 352
 353 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/08/">August (13)</a></li>
 354
 355 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/09/">September (7)</a></li>
 356
 357 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/10/">October (9)</a></li>
 358
 359 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/11/">November (13)</a></li>
 360
 361 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/12/">December (12)</a></li>
 362
 363 </ul></li>
 364
 365 <li>2009
 366 <ul>
 367
 368 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/01/">January (8)</a></li>
 369
 370 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/02/">February (8)</a></li>
 371
 372 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/03/">March (12)</a></li>
 373
 374 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/04/">April (10)</a></li>
 375
 376 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/05/">May (9)</a></li>
 377
 378 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/06/">June (3)</a></li>
 379
 380 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/07/">July (4)</a></li>
 381
 382 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/08/">August (3)</a></li>
 383
 384 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/09/">September (1)</a></li>
 385
 386 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/10/">October (2)</a></li>
 387
 388 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/11/">November (3)</a></li>
 389
 390 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/12/">December (3)</a></li>
 391
 392 </ul></li>
 393
 394 <li>2008
 395 <ul>
 396
 397 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/11/">November (5)</a></li>
 398
 399 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/12/">December (7)</a></li>
 400
 401 </ul></li>
 402
 403 </ul>
 404
 405
 406
 407 <h2>Tags</h2>
 408 <ul>
 409
 410  <li><a href="http://people.skolelinux.org/pere/blog/tags/3d-printer">3d-printer (16)</a></li>
 411
 412  <li><a href="http://people.skolelinux.org/pere/blog/tags/amiga">amiga (1)</a></li>
 413
 414  <li><a href="http://people.skolelinux.org/pere/blog/tags/aros">aros (1)</a></li>
 415
 416  <li><a href="http://people.skolelinux.org/pere/blog/tags/bankid">bankid (4)</a></li>
 417
 418  <li><a href="http://people.skolelinux.org/pere/blog/tags/betalkontant">betalkontant (8)</a></li>
 419
 420  <li><a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin (11)</a></li>
 421
 422  <li><a href="http://people.skolelinux.org/pere/blog/tags/bootsystem">bootsystem (17)</a></li>
 423
 424  <li><a href="http://people.skolelinux.org/pere/blog/tags/bsa">bsa (2)</a></li>
 425
 426  <li><a href="http://people.skolelinux.org/pere/blog/tags/chrpath">chrpath (2)</a></li>
 427
 428  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian">debian (167)</a></li>
 429
 430  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu (158)</a></li>
 431
 432  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian-handbook">debian-handbook (4)</a></li>
 433
 434  <li><a href="http://people.skolelinux.org/pere/blog/tags/digistan">digistan (11)</a></li>
 435
 436  <li><a href="http://people.skolelinux.org/pere/blog/tags/dld">dld (17)</a></li>
 437
 438  <li><a href="http://people.skolelinux.org/pere/blog/tags/docbook">docbook (25)</a></li>
 439
 440  <li><a href="http://people.skolelinux.org/pere/blog/tags/drivstoffpriser">drivstoffpriser (4)</a></li>
 441
 442  <li><a href="http://people.skolelinux.org/pere/blog/tags/english">english (404)</a></li>
 443
 444  <li><a href="http://people.skolelinux.org/pere/blog/tags/fiksgatami">fiksgatami (23)</a></li>
 445
 446  <li><a href="http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling (14)</a></li>
 447
 448  <li><a href="http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture (33)</a></li>
 449
 450  <li><a href="http://people.skolelinux.org/pere/blog/tags/freedombox">freedombox (9)</a></li>
 451
 452  <li><a href="http://people.skolelinux.org/pere/blog/tags/frikanalen">frikanalen (20)</a></li>
 453
 454  <li><a href="http://people.skolelinux.org/pere/blog/tags/h264">h264 (20)</a></li>
 455
 456  <li><a href="http://people.skolelinux.org/pere/blog/tags/intervju">intervju (42)</a></li>
 457
 458  <li><a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram (16)</a></li>
 459
 460  <li><a href="http://people.skolelinux.org/pere/blog/tags/kart">kart (22)</a></li>
 461
 462  <li><a href="http://people.skolelinux.org/pere/blog/tags/kodi">kodi (4)</a></li>
 463
 464  <li><a href="http://people.skolelinux.org/pere/blog/tags/ldap">ldap (9)</a></li>
 465
 466  <li><a href="http://people.skolelinux.org/pere/blog/tags/lego">lego (4)</a></li>
 467
 468  <li><a href="http://people.skolelinux.org/pere/blog/tags/lenker">lenker (8)</a></li>
 469
 470  <li><a href="http://people.skolelinux.org/pere/blog/tags/lsdvd">lsdvd (2)</a></li>
 471
 472  <li><a href="http://people.skolelinux.org/pere/blog/tags/ltsp">ltsp (1)</a></li>
 473
 474  <li><a href="http://people.skolelinux.org/pere/blog/tags/mesh network">mesh network (8)</a></li>
 475
 476  <li><a href="http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia (42)</a></li>
 477
 478  <li><a href="http://people.skolelinux.org/pere/blog/tags/nice free software">nice free software (12)</a></li>
 479
 480  <li><a href="http://people.skolelinux.org/pere/blog/tags/noark5">noark5 (15)</a></li>
 481
 482  <li><a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk (305)</a></li>
 483
 484  <li><a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug (195)</a></li>
 485
 486  <li><a href="http://people.skolelinux.org/pere/blog/tags/offentlig innsyn">offentlig innsyn (37)</a></li>
 487
 488  <li><a href="http://people.skolelinux.org/pere/blog/tags/open311">open311 (2)</a></li>
 489
 490  <li><a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett (73)</a></li>
 491
 492  <li><a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern (108)</a></li>
 493
 494  <li><a href="http://people.skolelinux.org/pere/blog/tags/raid">raid (2)</a></li>
 495
 496  <li><a href="http://people.skolelinux.org/pere/blog/tags/reactos">reactos (1)</a></li>
 497
 498  <li><a href="http://people.skolelinux.org/pere/blog/tags/reprap">reprap (11)</a></li>
 499
 500  <li><a href="http://people.skolelinux.org/pere/blog/tags/rfid">rfid (3)</a></li>
 501
 502  <li><a href="http://people.skolelinux.org/pere/blog/tags/robot">robot (12)</a></li>
 503
 504  <li><a href="http://people.skolelinux.org/pere/blog/tags/rss">rss (1)</a></li>
 505
 506  <li><a href="http://people.skolelinux.org/pere/blog/tags/ruter">ruter (7)</a></li>
 507
 508  <li><a href="http://people.skolelinux.org/pere/blog/tags/scraperwiki">scraperwiki (2)</a></li>
 509
 510  <li><a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (55)</a></li>
 511
 512  <li><a href="http://people.skolelinux.org/pere/blog/tags/sitesummary">sitesummary (4)</a></li>
 513
 514  <li><a href="http://people.skolelinux.org/pere/blog/tags/skepsis">skepsis (5)</a></li>
 515
 516  <li><a href="http://people.skolelinux.org/pere/blog/tags/standard">standard (64)</a></li>
 517
 518  <li><a href="http://people.skolelinux.org/pere/blog/tags/stavekontroll">stavekontroll (6)</a></li>
 519
 520  <li><a href="http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget (12)</a></li>
 521
 522  <li><a href="http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance (55)</a></li>
 523
 524  <li><a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin (4)</a></li>
 525
 526  <li><a href="http://people.skolelinux.org/pere/blog/tags/usenix">usenix (2)</a></li>
 527
 528  <li><a href="http://people.skolelinux.org/pere/blog/tags/valg">valg (9)</a></li>
 529
 530  <li><a href="http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri (15)</a></li>
 531
 532  <li><a href="http://people.skolelinux.org/pere/blog/tags/video">video (73)</a></li>
 533
 534  <li><a href="http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (4)</a></li>
 535
 536  <li><a href="http://people.skolelinux.org/pere/blog/tags/web">web (42)</a></li>
 537
 538 </ul>
 539
 540
 541     </div>
 542     <p style="text-align: right">
 543  Created by <a href="http://steve.org.uk/Software/chronicle">Chronicle v4.6</a>
 544 </p>
 545
 546   </body>
 547 </html>