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  13  <h1>
  14      <a href="http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen</a>
  15
  16  </h1>
  17
  18 </div>
  19
  20
  21     <h3>Entries tagged "sysadmin".</h3>
  22
  23     <div class="entry">
  24       <div class="title">
  25         <a href="http://people.skolelinux.org/pere/blog/Secure_Socket_API___a_simple_and_powerful_approach_for_TLS_support_in_software.html">Secure Socket API - a simple and powerful approach for TLS support in software</a>
  26       </div>
  27       <div class="date">
  28          6th June 2020
  29       </div>
  30       <div class="body">
  31         <p>As a member of the <a href="https://www.nuug.no/">Norwegian Unix
  32 User Group</a>, I have the pleasure of receiving the
  33 <a href="https://www.usenix.org/">USENIX</a> magazine
  34 <a href="https://www.usenix.org/publications/login/">;login:</a>
  35 several times a year.  I rarely have time to read all the articles,
  36 but try to at least skim through them all as there is a lot of nice
  37 knowledge passed on there.  I even carry the latest issue with me most
  38 of the time to try to get through all the articles when I have a few
  39 spare minutes.</p>
  40
  41 <p>The other day I came across a nice article titled
  42 "<a href="https://www.usenix.org/publications/login/winter2018/oneill">The
  43 Secure Socket API: TLS as an Operating System Service</a>" with a
  44 marvellous idea I hope can make it all the way into the POSIX standard.
  45 The idea is as simple as it is powerful.  By introducing a new
  46 socket() option IPPROTO_TLS to use TLS, and a system wide service to
  47 handle setting up TLS connections, one both make it trivial to add TLS
  48 support to any program currently using the POSIX socket API, and gain
  49 system wide control over certificates, TLS versions and encryption
  50 systems used.  Instead of doing this:</p>
  51
  52 <p><blockquote><pre>
  53 int socket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
  54 </pre></blockquote></p>
  55
  56 <p>the program code would be doing this:<p>
  57
  58 <p><blockquote><pre>
  59 int socket = socket(PF_INET, SOCK_STREAM, IPPROTO_TLS);
  60 </pre></blockquote></p>
  61
  62 <p>According to the ;login: article, converting a C program to use TLS
  63 would normally modify only 5-10 lines in the code, which is amazing
  64 when compared to using for example the OpenSSL API.</p>
  65
  66 <p>The project has set up the
  67 <a href="https://securesocketapi.org/">https://securesocketapi.org/</a>
  68 web site to spread the idea, and the code for a kernel module and the
  69 associated system daemon is available from two github repositories:
  70 <a href="https://github.com/markoneill/ssa">ssa</a> and
  71 <a href="https://github.com/markoneill/ssa-daemon">ssa-daemon</a>.
  72 Unfortunately there is no explicit license information with the code,
  73 so its copyright status is unclear.  A
  74 <a href="https://github.com/markoneill/ssa/issues/2">request to solve
  75 this</a> about it has been unsolved since 2018-08-17.</p>
  76
  77 <p>I love the idea of extending socket() to gain TLS support, and
  78 understand why it is an advantage to implement this as a kernel module
  79 and system wide service daemon, but can not help to think that it
  80 would be a lot easier to get projects to move to this way of setting
  81 up TLS if it was done with a user space approach where programs
  82 wanting to use this API approach could just link with a wrapper
  83 library.</p>
  84
  85 <p>I recommend you check out this simple and powerful approach to more
  86 secure network connections. :)</p>
  87
  88 <p>As usual, if you use Bitcoin and want to show your support of my
  89 activities, please send Bitcoin donations to my address
  90 <b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
  91
  92       </div>
  93       <div class="tags">
  94
  95
  96         Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin</a>.
  97
  98
  99       </div>
 100     </div>
 101     <div class="padding"></div>
 102
 103     <div class="entry">
 104       <div class="title">
 105         <a href="http://people.skolelinux.org/pere/blog/Some_notes_on_fault_tolerant_storage_systems.html">Some notes on fault tolerant storage systems</a>
 106       </div>
 107       <div class="date">
 108          1st November 2017
 109       </div>
 110       <div class="body">
 111         <p>If you care about how fault tolerant your storage is, you might
 112 find these articles and papers interesting.  They have formed how I
 113 think of when designing a storage system.</p>
 114
 115 <ul>
 116
 117 <li>USENIX :login; <a
 118 href="https://www.usenix.org/publications/login/summer2017/ganesan">Redundancy
 119 Does Not Imply Fault Tolerance.  Analysis of Distributed Storage
 120 Reactions to Single Errors and Corruptions</a> by Aishwarya Ganesan,
 121 Ramnatthan Alagappan, Andrea C. Arpaci-Dusseau, and Remzi
 122 H. Arpaci-Dusseau</li>
 123
 124 <li>ZDNet
 125 <a href="http://www.zdnet.com/article/why-raid-5-stops-working-in-2009/">Why
 126 RAID 5 stops working in 2009</a> by Robin Harris</li>
 127
 128 <li>ZDNet
 129 <a href="http://www.zdnet.com/article/why-raid-6-stops-working-in-2019/">Why
 130 RAID 6 stops working in 2019</a> by Robin Harris</li>
 131
 132 <li>USENIX FAST'07
 133 <a href="http://research.google.com/archive/disk_failures.pdf">Failure
 134 Trends in a Large Disk Drive Population</a> by Eduardo Pinheiro,
 135 Wolf-Dietrich Weber and Luiz André Barroso</li>
 136
 137 <li>USENIX ;login: <a
 138 href="https://www.usenix.org/system/files/login/articles/hughes12-04.pdf">Data
 139 Integrity.  Finding Truth in a World of Guesses and Lies</a> by Doug
 140 Hughes</li>
 141
 142 <li>USENIX FAST'08
 143 <a href="https://www.usenix.org/events/fast08/tech/full_papers/bairavasundaram/bairavasundaram_html/">An
 144 Analysis of Data Corruption in the Storage Stack</a> by
 145 L. N. Bairavasundaram, G. R. Goodson, B. Schroeder, A. C.
 146 Arpaci-Dusseau, and R. H. Arpaci-Dusseau</li>
 147
 148 <li>USENIX FAST'07 <a
 149 href="https://www.usenix.org/legacy/events/fast07/tech/schroeder/schroeder_html/">Disk
 150 failures in the real world: what does an MTTF of 1,000,000 hours mean
 151 to you?</a> by B. Schroeder and G. A. Gibson.</li>
 152
 153 <li>USENIX ;login: <a
 154 href="https://www.usenix.org/events/fast08/tech/full_papers/jiang/jiang_html/">Are
 155 Disks the Dominant Contributor for Storage Failures?  A Comprehensive
 156 Study of Storage Subsystem Failure Characteristics</a> by Weihang
 157 Jiang, Chongfeng Hu, Yuanyuan Zhou, and Arkady Kanevsky</li>
 158
 159 <li>SIGMETRICS 2007
 160 <a href="http://research.cs.wisc.edu/adsl/Publications/latent-sigmetrics07.pdf">An
 161 analysis of latent sector errors in disk drives</a> by
 162 L. N. Bairavasundaram, G. R. Goodson, S. Pasupathy, and J. Schindler</li>
 163
 164 </ul>
 165
 166 <p>Several of these research papers are based on data collected from
 167 hundred thousands or millions of disk, and their findings are eye
 168 opening.  The short story is simply do not implicitly trust RAID or
 169 redundant storage systems.  Details matter.  And unfortunately there
 170 are few options on Linux addressing all the identified issues.  Both
 171 ZFS and Btrfs are doing a fairly good job, but have legal and
 172 practical issues on their own.  I wonder how cluster file systems like
 173 Ceph do in this regard.  After all, there is an old saying, you know
 174 you have a distributed system when the crash of a computer you have
 175 never heard of stops you from getting any work done.  The same holds
 176 true if fault tolerance do not work.</p>
 177
 178 <p>Just remember, in the end, it do not matter how redundant, or how
 179 fault tolerant your storage is, if you do not continuously monitor its
 180 status to detect and replace failed disks.</p>
 181
 182 <p>As usual, if you use Bitcoin and want to show your support of my
 183 activities, please send Bitcoin donations to my address
 184 <b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
 185
 186       </div>
 187       <div class="tags">
 188
 189
 190         Tags: <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/raid">raid</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin</a>.
 191
 192
 193       </div>
 194     </div>
 195     <div class="padding"></div>
 196
 197     <div class="entry">
 198       <div class="title">
 199         <a href="http://people.skolelinux.org/pere/blog/Detecting_NFS_hangs_on_Linux_without_hanging_yourself___.html">Detecting NFS hangs on Linux without hanging yourself...</a>
 200       </div>
 201       <div class="date">
 202          9th March 2017
 203       </div>
 204       <div class="body">
 205         <p>Over the years, administrating thousand of NFS mounting linux
 206 computers at the time, I often needed a way to detect if the machine
 207 was experiencing NFS hang.  If you try to use <tt>df</tt> or look at a
 208 file or directory affected by the hang, the process (and possibly the
 209 shell) will hang too.  So you want to be able to detect this without
 210 risking the detection process getting stuck too.  It has not been
 211 obvious how to do this.  When the hang has lasted a while, it is
 212 possible to find messages like these in dmesg:</p>
 213
 214 <p><blockquote>
 215 nfs: server nfsserver not responding, still trying
 216 <br>nfs: server nfsserver OK
 217 </blockquote></p>
 218
 219 <p>It is hard to know if the hang is still going on, and it is hard to
 220 be sure looking in dmesg is going to work.  If there are lots of other
 221 messages in dmesg the lines might have rotated out of site before they
 222 are noticed.</p>
 223
 224 <p>While reading through the nfs client implementation in linux kernel
 225 code, I came across some statistics that seem to give a way to detect
 226 it.  The om_timeouts sunrpc value in the kernel will increase every
 227 time the above log entry is inserted into dmesg.  And after digging a
 228 bit further, I discovered that this value show up in
 229 /proc/self/mountstats on Linux.</p>
 230
 231 <p>The mountstats content seem to be shared between files using the
 232 same file system context, so it is enough to check one of the
 233 mountstats files to get the state of the mount point for the machine.
 234 I assume this will not show lazy umounted NFS points, nor NFS mount
 235 points in a different process context (ie with a different filesystem
 236 view), but that does not worry me.</p>
 237
 238 <p>The content for a NFS mount point look similar to this:</p>
 239
 240 <p><blockquote><pre>
 241 [...]
 242 device /dev/mapper/Debian-var mounted on /var with fstype ext3
 243 device nfsserver:/mnt/nfsserver/home0 mounted on /mnt/nfsserver/home0 with fstype nfs statvers=1.1
 244         opts:   rw,vers=3,rsize=65536,wsize=65536,namlen=255,acregmin=3,acregmax=60,acdirmin=30,acdirmax=60,soft,nolock,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=129.240.3.145,mountvers=3,mountport=4048,mountproto=udp,local_lock=all
 245         age:    7863311
 246         caps:   caps=0x3fe7,wtmult=4096,dtsize=8192,bsize=0,namlen=255
 247         sec:    flavor=1,pseudoflavor=1
 248         events: 61063112 732346265 1028140 35486205 16220064 8162542 761447191 71714012 37189 3891185 45561809 110486139 4850138 420353 15449177 296502 52736725 13523379 0 52182 9016896 1231 0 0 0 0 0
 249         bytes:  166253035039 219519120027 0 0 40783504807 185466229638 11677877 45561809
 250         RPC iostats version: 1.0  p/v: 100003/3 (nfs)
 251         xprt:   tcp 925 1 6810 0 0 111505412 111480497 109 2672418560317 0 248 53869103 22481820
 252         per-op statistics
 253                 NULL: 0 0 0 0 0 0 0 0
 254              GETATTR: 61063106 61063108 0 9621383060 6839064400 453650 77291321 78926132
 255              SETATTR: 463469 463470 0 92005440 66739536 63787 603235 687943
 256               LOOKUP: 17021657 17021657 0 3354097764 4013442928 57216 35125459 35566511
 257               ACCESS: 14281703 14290009 5 2318400592 1713803640 1709282 4865144 7130140
 258             READLINK: 125 125 0 20472 18620 0 1112 1118
 259                 READ: 4214236 4214237 0 715608524 41328653212 89884 22622768 22806693
 260                WRITE: 8479010 8494376 22 187695798568 1356087148 178264904 51506907 231671771
 261               CREATE: 171708 171708 0 38084748 46702272 873 1041833 1050398
 262                MKDIR: 3680 3680 0 773980 993920 26 23990 24245
 263              SYMLINK: 903 903 0 233428 245488 6 5865 5917
 264                MKNOD: 80 80 0 20148 21760 0 299 304
 265               REMOVE: 429921 429921 0 79796004 61908192 3313 2710416 2741636
 266                RMDIR: 3367 3367 0 645112 484848 22 5782 6002
 267               RENAME: 466201 466201 0 130026184 121212260 7075 5935207 5961288
 268                 LINK: 289155 289155 0 72775556 67083960 2199 2565060 2585579
 269              READDIR: 2933237 2933237 0 516506204 13973833412 10385 3190199 3297917
 270          READDIRPLUS: 1652839 1652839 0 298640972 6895997744 84735 14307895 14448937
 271               FSSTAT: 6144 6144 0 1010516 1032192 51 9654 10022
 272               FSINFO: 2 2 0 232 328 0 1 1
 273             PATHCONF: 1 1 0 116 140 0 0 0
 274               COMMIT: 0 0 0 0 0 0 0 0
 275
 276 device binfmt_misc mounted on /proc/sys/fs/binfmt_misc with fstype binfmt_misc
 277 [...]
 278 </pre></blockquote></p>
 279
 280 <p>The key number to look at is the third number in the per-op list.
 281 It is the number of NFS timeouts experiences per file system
 282 operation.  Here 22 write timeouts and 5 access timeouts.  If these
 283 numbers are increasing, I believe the machine is experiencing NFS
 284 hang.  Unfortunately the timeout value do not start to increase right
 285 away.  The NFS operations need to time out first, and this can take a
 286 while.  The exact timeout value depend on the setup.  For example the
 287 defaults for TCP and UDP mount points are quite different, and the
 288 timeout value is affected by the soft, hard, timeo and retrans NFS
 289 mount options.</p>
 290
 291 <p>The only way I have been able to get working on Debian and RedHat
 292 Enterprise Linux for getting the timeout count is to peek in /proc/.
 293 But according to
 294 <ahref="http://docs.oracle.com/cd/E19253-01/816-4555/netmonitor-12/index.html">Solaris
 295 10 System Administration Guide: Network Services</a>, the 'nfsstat -c'
 296 command can be used to get these timeout values.  But this do not work
 297 on Linux, as far as I can tell.  I
 298 <ahref="http://bugs.debian.org/857043">asked Debian about this</a>,
 299 but have not seen any replies yet.</p>
 300
 301 <p>Is there a better way to figure out if a Linux NFS client is
 302 experiencing NFS hangs?  Is there a way to detect which processes are
 303 affected?  Is there a way to get the NFS mount going quickly once the
 304 network problem causing the NFS hang has been cleared?  I would very
 305 much welcome some clues, as we regularly run into NFS hangs.</p>
 306
 307       </div>
 308       <div class="tags">
 309
 310
 311         Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin</a>.
 312
 313
 314       </div>
 315     </div>
 316     <div class="padding"></div>
 317
 318     <div class="entry">
 319       <div class="title">
 320         <a href="http://people.skolelinux.org/pere/blog/Debian_Jessie__PXE_and_automatic_firmware_installation.html">Debian Jessie, PXE and automatic firmware installation</a>
 321       </div>
 322       <div class="date">
 323         17th October 2014
 324       </div>
 325       <div class="body">
 326         <p>When PXE installing laptops with Debian, I often run into the
 327 problem that the WiFi card require some firmware to work properly.
 328 And it has been a pain to fix this using preseeding in Debian.
 329 Normally something more is needed.  But thanks to
 330 <a href="https://packages.qa.debian.org/i/isenkram.html">my isenkram
 331 package</a> and its recent tasksel extension, it has now become easy
 332 to do this using simple preseeding.</p>
 333
 334 <p>The isenkram-cli package provide tasksel tasks which will install
 335 firmware for the hardware found in the machine (actually, requested by
 336 the kernel modules for the hardware).  (It can also install user space
 337 programs supporting the hardware detected, but that is not the focus
 338 of this story.)</p>
 339
 340 <p>To get this working in the default installation, two preeseding
 341 values are needed.  First, the isenkram-cli package must be installed
 342 into the target chroot (aka the hard drive) before tasksel is executed
 343 in the pkgsel step of the debian-installer system.  This is done by
 344 preseeding the base-installer/includes debconf value to include the
 345 isenkram-cli package.  The package name is next passed to debootstrap
 346 for installation.  With the isenkram-cli package in place, tasksel
 347 will automatically use the isenkram tasks to detect hardware specific
 348 packages for the machine being installed and install them, because
 349 isenkram-cli contain tasksel tasks.</p>
 350
 351 <p>Second, one need to enable the non-free APT repository, because
 352 most firmware unfortunately is non-free.  This is done by preseeding
 353 the apt-mirror-setup step.  This is unfortunate, but for a lot of
 354 hardware it is the only option in Debian.</p>
 355
 356 <p>The end result is two lines needed in your preseeding file to get
 357 firmware installed automatically by the installer:</p>
 358
 359 <p><blockquote><pre>
 360 base-installer base-installer/includes string isenkram-cli
 361 apt-mirror-setup apt-setup/non-free boolean true
 362 </pre></blockquote></p>
 363
 364 <p>The current version of isenkram-cli in testing/jessie will install
 365 both firmware and user space packages when using this method.  It also
 366 do not work well, so use version 0.15 or later.  Installing both
 367 firmware and user space packages might give you a bit more than you
 368 want, so I decided to split the tasksel task in two, one for firmware
 369 and one for user space programs.  The firmware task is enabled by
 370 default, while the one for user space programs is not.  This split is
 371 implemented in the package currently in unstable.</p>
 372
 373 <p>If you decide to give this a go, please let me know (via email) how
 374 this recipe work for you. :)</p>
 375
 376 <p>So, I bet you are wondering, how can this work.  First and
 377 foremost, it work because tasksel is modular, and driven by whatever
 378 files it find in /usr/lib/tasksel/ and /usr/share/tasksel/.  So the
 379 isenkram-cli package place two files for tasksel to find.  First there
 380 is the task description file (/usr/share/tasksel/descs/isenkram.desc):</p>
 381
 382 <p><blockquote><pre>
 383 Task: isenkram-packages
 384 Section: hardware
 385 Description: Hardware specific packages (autodetected by isenkram)
 386  Based on the detected hardware various hardware specific packages are
 387  proposed.
 388 Test-new-install: show show
 389 Relevance: 8
 390 Packages: for-current-hardware
 391
 392 Task: isenkram-firmware
 393 Section: hardware
 394 Description: Hardware specific firmware packages (autodetected by isenkram)
 395  Based on the detected hardware various hardware specific firmware
 396  packages are proposed.
 397 Test-new-install: mark show
 398 Relevance: 8
 399 Packages: for-current-hardware-firmware
 400 </pre></blockquote></p>
 401
 402 <p>The key parts are Test-new-install which indicate how the task
 403 should be handled and the Packages line referencing to a script in
 404 /usr/lib/tasksel/packages/.  The scripts use other scripts to get a
 405 list of packages to install.  The for-current-hardware-firmware script
 406 look like this to list relevant firmware for the machine:
 407
 408 <p><blockquote><pre>
 409 #!/bin/sh
 410 #
 411 PATH=/usr/sbin:$PATH
 412 export PATH
 413 isenkram-autoinstall-firmware -l
 414 </pre></blockquote></p>
 415
 416 <p>With those two pieces in place, the firmware is installed by
 417 tasksel during the normal d-i run. :)</p>
 418
 419 <p>If you want to test what tasksel will install when isenkram-cli is
 420 installed, run <tt>DEBIAN_PRIORITY=critical tasksel --test
 421 --new-install</tt> to get the list of packages that tasksel would
 422 install.</p>
 423
 424 <p><a href="https://wiki.debian.org/DebianEdu/">Debian Edu</a> will be
 425 pilots in testing this feature, as isenkram is used there now to
 426 install firmware, replacing the earlier scripts.</p>
 427
 428       </div>
 429       <div class="tags">
 430
 431
 432         Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin</a>.
 433
 434
 435       </div>
 436     </div>
 437     <div class="padding"></div>
 438
 439     <div class="entry">
 440       <div class="title">
 441         <a href="http://people.skolelinux.org/pere/blog/Scripting_the_Cerebrum_bofhd_user_administration_system_using_XML_RPC.html">Scripting the Cerebrum/bofhd user administration system using XML-RPC</a>
 442       </div>
 443       <div class="date">
 444          6th December 2012
 445       </div>
 446       <div class="body">
 447         <p>Where I work at the <a href="http://www.uio.no/">University of
 448 Oslo</a>, we use the
 449 <a href="http://sourceforge.net/projects/cerebrum/">Cerebrum user
 450 administration system</a> to maintain users, groups, DNS, DHCP, etc.
 451 I've known since the system was written that the server is providing
 452 an <a href="http://en.wikipedia.org/wiki/XML-RPC">XML-RPC</a> API, but
 453 I have never spent time to try to figure out how to use it, as we
 454 always use the bofh command line client at work.  Until today.  I want
 455 to script the updating of DNS and DHCP to make it easier to set up
 456 virtual machines.  Here are a few notes on how to use it with
 457 Python.</p>
 458
 459 <p>I started by looking at the source of the Java
 460 <a href="http://cerebrum.svn.sourceforge.net/viewvc/cerebrum/trunk/cerebrum/clients/jbofh/">bofh
 461 client</a>, to figure out how it connected to the API server.  I also
 462 googled for python examples on how to use XML-RPC, and found
 463 <a href="http://tldp.org/HOWTO/XML-RPC-HOWTO/xmlrpc-howto-python.html">a
 464 simple example in</a> the XML-RPC howto.</p>
 465
 466 <p>This simple example code show how to connect, get the list of
 467 commands (as a JSON dump), and how to get the information about the
 468 user currently logged in:</p>
 469
 470 <blockquote><pre>
 471 #!/usr/bin/env python
 472 import getpass
 473 import xmlrpclib
 474 server_url = 'https://cerebrum-uio.uio.no:8000';
 475 username = getpass.getuser()
 476 password = getpass.getpass()
 477 server = xmlrpclib.Server(server_url);
 478 #print server.get_commands(sessionid)
 479 sessionid = server.login(username, password)
 480 print server.run_command(sessionid, "user_info", username)
 481 result = server.logout(sessionid)
 482 print result
 483 </pre></blockquote>
 484
 485 <p>Armed with this knowledge I can now move forward and script the DNS
 486 and DHCP updates I wanted to do.</p>
 487
 488       </div>
 489       <div class="tags">
 490
 491
 492         Tags: <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin</a>.
 493
 494
 495       </div>
 496     </div>
 497     <div class="padding"></div>
 498
 499     <p style="text-align: right;"><a href="sysadmin.rss"><img src="http://people.skolelinux.org/pere/blog/xml.gif" alt="RSS Feed" width="36" height="14" /></a></p>
 500     <div id="sidebar">
 501
 502
 503
 504 <h2>Archive</h2>
 505 <ul>
 506
 507 <li>2021
 508 <ul>
 509
 510 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/01/">January (2)</a></li>
 511
 512 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/02/">February (1)</a></li>
 513
 514 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/05/">May (1)</a></li>
 515
 516 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/06/">June (1)</a></li>
 517
 518 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/07/">July (2)</a></li>
 519
 520 </ul></li>
 521
 522 <li>2020
 523 <ul>
 524
 525 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/02/">February (2)</a></li>
 526
 527 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/03/">March (2)</a></li>
 528
 529 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/04/">April (2)</a></li>
 530
 531 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/05/">May (3)</a></li>
 532
 533 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/06/">June (2)</a></li>
 534
 535 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/07/">July (1)</a></li>
 536
 537 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/09/">September (1)</a></li>
 538
 539 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/10/">October (1)</a></li>
 540
 541 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/11/">November (1)</a></li>
 542
 543 </ul></li>
 544
 545 <li>2019
 546 <ul>
 547
 548 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/01/">January (4)</a></li>
 549
 550 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/02/">February (3)</a></li>
 551
 552 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/03/">March (3)</a></li>
 553
 554 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/05/">May (2)</a></li>
 555
 556 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/06/">June (5)</a></li>
 557
 558 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/07/">July (2)</a></li>
 559
 560 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/08/">August (1)</a></li>
 561
 562 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/09/">September (1)</a></li>
 563
 564 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/11/">November (1)</a></li>
 565
 566 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/12/">December (4)</a></li>
 567
 568 </ul></li>
 569
 570 <li>2018
 571 <ul>
 572
 573 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/01/">January (1)</a></li>
 574
 575 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/02/">February (5)</a></li>
 576
 577 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/03/">March (5)</a></li>
 578
 579 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/04/">April (3)</a></li>
 580
 581 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/06/">June (2)</a></li>
 582
 583 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/07/">July (5)</a></li>
 584
 585 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/08/">August (3)</a></li>
 586
 587 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/09/">September (3)</a></li>
 588
 589 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/10/">October (5)</a></li>
 590
 591 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/11/">November (2)</a></li>
 592
 593 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/12/">December (4)</a></li>
 594
 595 </ul></li>
 596
 597 <li>2017
 598 <ul>
 599
 600 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/01/">January (4)</a></li>
 601
 602 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/02/">February (3)</a></li>
 603
 604 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/03/">March (5)</a></li>
 605
 606 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/04/">April (2)</a></li>
 607
 608 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/06/">June (5)</a></li>
 609
 610 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/07/">July (1)</a></li>
 611
 612 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/08/">August (1)</a></li>
 613
 614 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/09/">September (3)</a></li>
 615
 616 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/10/">October (5)</a></li>
 617
 618 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/11/">November (3)</a></li>
 619
 620 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/12/">December (4)</a></li>
 621
 622 </ul></li>
 623
 624 <li>2016
 625 <ul>
 626
 627 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/01/">January (3)</a></li>
 628
 629 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/02/">February (2)</a></li>
 630
 631 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/03/">March (3)</a></li>
 632
 633 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/04/">April (8)</a></li>
 634
 635 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/05/">May (8)</a></li>
 636
 637 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/06/">June (2)</a></li>
 638
 639 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/07/">July (2)</a></li>
 640
 641 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/08/">August (5)</a></li>
 642
 643 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/09/">September (2)</a></li>
 644
 645 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/10/">October (3)</a></li>
 646
 647 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/11/">November (8)</a></li>
 648
 649 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/12/">December (5)</a></li>
 650
 651 </ul></li>
 652
 653 <li>2015
 654 <ul>
 655
 656 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/01/">January (7)</a></li>
 657
 658 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/02/">February (6)</a></li>
 659
 660 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/03/">March (1)</a></li>
 661
 662 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/04/">April (4)</a></li>
 663
 664 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/05/">May (3)</a></li>
 665
 666 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/06/">June (4)</a></li>
 667
 668 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/07/">July (6)</a></li>
 669
 670 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/08/">August (2)</a></li>
 671
 672 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/09/">September (2)</a></li>
 673
 674 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/10/">October (9)</a></li>
 675
 676 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/11/">November (6)</a></li>
 677
 678 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/12/">December (3)</a></li>
 679
 680 </ul></li>
 681
 682 <li>2014
 683 <ul>
 684
 685 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/01/">January (2)</a></li>
 686
 687 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/02/">February (3)</a></li>
 688
 689 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/03/">March (8)</a></li>
 690
 691 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/04/">April (7)</a></li>
 692
 693 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/05/">May (1)</a></li>
 694
 695 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/06/">June (2)</a></li>
 696
 697 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/07/">July (2)</a></li>
 698
 699 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/08/">August (2)</a></li>
 700
 701 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/09/">September (5)</a></li>
 702
 703 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/10/">October (6)</a></li>
 704
 705 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/11/">November (3)</a></li>
 706
 707 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/12/">December (5)</a></li>
 708
 709 </ul></li>
 710
 711 <li>2013
 712 <ul>
 713
 714 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/01/">January (11)</a></li>
 715
 716 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/02/">February (9)</a></li>
 717
 718 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/03/">March (9)</a></li>
 719
 720 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/04/">April (6)</a></li>
 721
 722 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/05/">May (9)</a></li>
 723
 724 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/06/">June (10)</a></li>
 725
 726 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/07/">July (7)</a></li>
 727
 728 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/08/">August (3)</a></li>
 729
 730 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/09/">September (5)</a></li>
 731
 732 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/10/">October (7)</a></li>
 733
 734 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/11/">November (9)</a></li>
 735
 736 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/12/">December (3)</a></li>
 737
 738 </ul></li>
 739
 740 <li>2012
 741 <ul>
 742
 743 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/01/">January (7)</a></li>
 744
 745 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/02/">February (10)</a></li>
 746
 747 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/03/">March (17)</a></li>
 748
 749 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/04/">April (12)</a></li>
 750
 751 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/05/">May (12)</a></li>
 752
 753 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/06/">June (20)</a></li>
 754
 755 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/07/">July (17)</a></li>
 756
 757 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/08/">August (6)</a></li>
 758
 759 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/09/">September (9)</a></li>
 760
 761 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/10/">October (17)</a></li>
 762
 763 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/11/">November (10)</a></li>
 764
 765 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/12/">December (7)</a></li>
 766
 767 </ul></li>
 768
 769 <li>2011
 770 <ul>
 771
 772 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/01/">January (16)</a></li>
 773
 774 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/02/">February (6)</a></li>
 775
 776 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/03/">March (6)</a></li>
 777
 778 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/04/">April (7)</a></li>
 779
 780 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/05/">May (3)</a></li>
 781
 782 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/06/">June (2)</a></li>
 783
 784 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/07/">July (7)</a></li>
 785
 786 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/08/">August (6)</a></li>
 787
 788 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/09/">September (4)</a></li>
 789
 790 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/10/">October (2)</a></li>
 791
 792 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/11/">November (3)</a></li>
 793
 794 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/12/">December (1)</a></li>
 795
 796 </ul></li>
 797
 798 <li>2010
 799 <ul>
 800
 801 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/01/">January (2)</a></li>
 802
 803 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/02/">February (1)</a></li>
 804
 805 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/03/">March (3)</a></li>
 806
 807 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/04/">April (3)</a></li>
 808
 809 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/05/">May (9)</a></li>
 810
 811 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/06/">June (14)</a></li>
 812
 813 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/07/">July (12)</a></li>
 814
 815 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/08/">August (13)</a></li>
 816
 817 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/09/">September (7)</a></li>
 818
 819 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/10/">October (9)</a></li>
 820
 821 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/11/">November (13)</a></li>
 822
 823 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/12/">December (12)</a></li>
 824
 825 </ul></li>
 826
 827 <li>2009
 828 <ul>
 829
 830 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/01/">January (8)</a></li>
 831
 832 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/02/">February (8)</a></li>
 833
 834 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/03/">March (12)</a></li>
 835
 836 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/04/">April (10)</a></li>
 837
 838 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/05/">May (9)</a></li>
 839
 840 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/06/">June (3)</a></li>
 841
 842 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/07/">July (4)</a></li>
 843
 844 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/08/">August (3)</a></li>
 845
 846 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/09/">September (1)</a></li>
 847
 848 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/10/">October (2)</a></li>
 849
 850 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/11/">November (3)</a></li>
 851
 852 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/12/">December (3)</a></li>
 853
 854 </ul></li>
 855
 856 <li>2008
 857 <ul>
 858
 859 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/11/">November (5)</a></li>
 860
 861 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/12/">December (7)</a></li>
 862
 863 </ul></li>
 864
 865 </ul>
 866
 867
 868
 869 <h2>Tags</h2>
 870 <ul>
 871
 872  <li><a href="http://people.skolelinux.org/pere/blog/tags/3d-printer">3d-printer (16)</a></li>
 873
 874  <li><a href="http://people.skolelinux.org/pere/blog/tags/amiga">amiga (1)</a></li>
 875
 876  <li><a href="http://people.skolelinux.org/pere/blog/tags/aros">aros (1)</a></li>
 877
 878  <li><a href="http://people.skolelinux.org/pere/blog/tags/bankid">bankid (4)</a></li>
 879
 880  <li><a href="http://people.skolelinux.org/pere/blog/tags/betalkontant">betalkontant (9)</a></li>
 881
 882  <li><a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin (12)</a></li>
 883
 884  <li><a href="http://people.skolelinux.org/pere/blog/tags/bootsystem">bootsystem (17)</a></li>
 885
 886  <li><a href="http://people.skolelinux.org/pere/blog/tags/bsa">bsa (2)</a></li>
 887
 888  <li><a href="http://people.skolelinux.org/pere/blog/tags/chrpath">chrpath (2)</a></li>
 889
 890  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian">debian (176)</a></li>
 891
 892  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu (159)</a></li>
 893
 894  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian-handbook">debian-handbook (8)</a></li>
 895
 896  <li><a href="http://people.skolelinux.org/pere/blog/tags/digistan">digistan (11)</a></li>
 897
 898  <li><a href="http://people.skolelinux.org/pere/blog/tags/dld">dld (17)</a></li>
 899
 900  <li><a href="http://people.skolelinux.org/pere/blog/tags/docbook">docbook (28)</a></li>
 901
 902  <li><a href="http://people.skolelinux.org/pere/blog/tags/drivstoffpriser">drivstoffpriser (4)</a></li>
 903
 904  <li><a href="http://people.skolelinux.org/pere/blog/tags/english">english (426)</a></li>
 905
 906  <li><a href="http://people.skolelinux.org/pere/blog/tags/fiksgatami">fiksgatami (23)</a></li>
 907
 908  <li><a href="http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling (14)</a></li>
 909
 910  <li><a href="http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture (34)</a></li>
 911
 912  <li><a href="http://people.skolelinux.org/pere/blog/tags/freedombox">freedombox (9)</a></li>
 913
 914  <li><a href="http://people.skolelinux.org/pere/blog/tags/frikanalen">frikanalen (20)</a></li>
 915
 916  <li><a href="http://people.skolelinux.org/pere/blog/tags/h264">h264 (20)</a></li>
 917
 918  <li><a href="http://people.skolelinux.org/pere/blog/tags/intervju">intervju (43)</a></li>
 919
 920  <li><a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram (16)</a></li>
 921
 922  <li><a href="http://people.skolelinux.org/pere/blog/tags/kart">kart (23)</a></li>
 923
 924  <li><a href="http://people.skolelinux.org/pere/blog/tags/kodi">kodi (4)</a></li>
 925
 926  <li><a href="http://people.skolelinux.org/pere/blog/tags/ldap">ldap (9)</a></li>
 927
 928  <li><a href="http://people.skolelinux.org/pere/blog/tags/lego">lego (4)</a></li>
 929
 930  <li><a href="http://people.skolelinux.org/pere/blog/tags/lenker">lenker (8)</a></li>
 931
 932  <li><a href="http://people.skolelinux.org/pere/blog/tags/lsdvd">lsdvd (2)</a></li>
 933
 934  <li><a href="http://people.skolelinux.org/pere/blog/tags/ltsp">ltsp (1)</a></li>
 935
 936  <li><a href="http://people.skolelinux.org/pere/blog/tags/mesh network">mesh network (8)</a></li>
 937
 938  <li><a href="http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia (42)</a></li>
 939
 940  <li><a href="http://people.skolelinux.org/pere/blog/tags/nice free software">nice free software (13)</a></li>
 941
 942  <li><a href="http://people.skolelinux.org/pere/blog/tags/noark5">noark5 (23)</a></li>
 943
 944  <li><a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk (317)</a></li>
 945
 946  <li><a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug (198)</a></li>
 947
 948  <li><a href="http://people.skolelinux.org/pere/blog/tags/offentlig innsyn">offentlig innsyn (40)</a></li>
 949
 950  <li><a href="http://people.skolelinux.org/pere/blog/tags/open311">open311 (2)</a></li>
 951
 952  <li><a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett (75)</a></li>
 953
 954  <li><a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern (111)</a></li>
 955
 956  <li><a href="http://people.skolelinux.org/pere/blog/tags/raid">raid (2)</a></li>
 957
 958  <li><a href="http://people.skolelinux.org/pere/blog/tags/reactos">reactos (1)</a></li>
 959
 960  <li><a href="http://people.skolelinux.org/pere/blog/tags/reprap">reprap (11)</a></li>
 961
 962  <li><a href="http://people.skolelinux.org/pere/blog/tags/rfid">rfid (3)</a></li>
 963
 964  <li><a href="http://people.skolelinux.org/pere/blog/tags/robot">robot (12)</a></li>
 965
 966  <li><a href="http://people.skolelinux.org/pere/blog/tags/rss">rss (1)</a></li>
 967
 968  <li><a href="http://people.skolelinux.org/pere/blog/tags/ruter">ruter (7)</a></li>
 969
 970  <li><a href="http://people.skolelinux.org/pere/blog/tags/scraperwiki">scraperwiki (2)</a></li>
 971
 972  <li><a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (59)</a></li>
 973
 974  <li><a href="http://people.skolelinux.org/pere/blog/tags/sitesummary">sitesummary (4)</a></li>
 975
 976  <li><a href="http://people.skolelinux.org/pere/blog/tags/skepsis">skepsis (5)</a></li>
 977
 978  <li><a href="http://people.skolelinux.org/pere/blog/tags/standard">standard (71)</a></li>
 979
 980  <li><a href="http://people.skolelinux.org/pere/blog/tags/stavekontroll">stavekontroll (7)</a></li>
 981
 982  <li><a href="http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget (12)</a></li>
 983
 984  <li><a href="http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance (61)</a></li>
 985
 986  <li><a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin (5)</a></li>
 987
 988  <li><a href="http://people.skolelinux.org/pere/blog/tags/usenix">usenix (2)</a></li>
 989
 990  <li><a href="http://people.skolelinux.org/pere/blog/tags/valg">valg (9)</a></li>
 991
 992  <li><a href="http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri (19)</a></li>
 993
 994  <li><a href="http://people.skolelinux.org/pere/blog/tags/video">video (75)</a></li>
 995
 996  <li><a href="http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (4)</a></li>
 997
 998  <li><a href="http://people.skolelinux.org/pere/blog/tags/web">web (42)</a></li>
 999
1000 </ul>
1001
1002
1003     </div>
1004     <p style="text-align: right">
1005  Created by <a href="http://steve.org.uk/Software/chronicle">Chronicle v4.6</a>
1006 </p>
1007
1008   </body>
1009 </html>