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14 <a href=
"http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen
</a>
21 <h3>Entries tagged "freedombox".
</h3>
25 <a href=
"http://people.skolelinux.org/pere/blog/Oslo_community_mesh_network___with_NUUG_and_Hackeriet_at_Hausmania.html">Oslo community mesh network - with NUUG and Hackeriet at Hausmania
</a>
31 <p>Wireless mesh networks are self organising and self healing
32 networks that can be used to connect computers across small and large
33 areas, depending on the radio technology used. Normal wifi equipment
34 can be used to create home made radio networks, and there are several
35 successful examples like
36 <a href=
"http://www.freifunk.net/">Freifunk
</a> and
37 <a href=
"http://www.awmn.net/">Athens Wireless Metropolitan Network
</a>
39 <a href=
"http://en.wikipedia.org/wiki/List_of_wireless_community_networks_by_region#Greece">wikipedia
40 for a large list
</a>) around the globe. To give you an idea how it
41 work, check out the nice overview of the Kiel Freifunk community which
42 can be seen from their
43 <a href=
"http://freifunk.in-kiel.de/ffmap/nodes.html">dynamically
44 updated node graph and map
</a>, where one can see how the mesh nodes
45 automatically handle routing and recover from nodes disappearing.
46 There is also a small community mesh network group in Oslo, Norway,
47 and that is the main topic of this blog post.
</p>
49 <p>I've wanted to check out mesh networks for a while now, and hoped
50 to do it as part of my involvement with the
<a
51 href=
"http://www.nuug.no/">NUUG member organisation
</a> community, and
52 my recent involvement in
53 <a href=
"https://wiki.debian.org/FreedomBox">the Freedombox project
</a>
54 finally lead me to give mesh networks some priority, as I suspect a
55 Freedombox should use mesh networks to connect neighbours and family
56 when possible, given that most communication between people are
57 between those nearby (as shown for example by research on Facebook
58 communication patterns). It also allow people to communicate without
59 any central hub to tap into for those that want to listen in on the
60 private communication of citizens, which have become more and more
61 important over the years.
</p>
63 <p>So far I have only been able to find one group of people in Oslo
64 working on community mesh networks, over at the hack space
65 <a href=
"http://hackeriet.no/">Hackeriet
</a> at Husmania. They seem to
66 have started with some Freifunk based effort using OLSR, called
67 <a href=
"http://oslo.freifunk.net/index.php?title=Main_Page">the Oslo
68 Freifunk project
</a>, but that effort is now dead and the people
69 behind it have moved on to a batman-adv based system called
70 <a href=
"http://meshfx.org/trac">meshfx
</a>. Unfortunately the wiki
71 site for the Oslo Freifunk project is no longer possible to update to
72 reflect this fact, so the old project page can't be updated to point to
73 the new project. A while back, the people at Hackeriet invited people
74 from the Freifunk community to Oslo to talk about mesh networks. I
75 came across this video where Hans Jørgen Lysglimt interview the
76 speakers about this talk (from
77 <a href=
"https://www.youtube.com/watch?v=N2Kd7CLkhSY">youtube
</a>):
</p>
79 <p><iframe width=
"420" height=
"315" src=
"https://www.youtube.com/embed/N2Kd7CLkhSY" frameborder=
"0" allowfullscreen
></iframe></p>
81 <p>I mentioned OLSR and batman-adv, which are mesh routing protocols.
82 There are heaps of different protocols, and I am still struggling to
83 figure out which one would be "best" for some definitions of best, but
84 given that the community mesh group in Oslo is so small, I believe it
85 is best to hook up with the existing one instead of trying to create a
86 completely different setup, and thus I have decided to focus on
87 batman-adv for now. It sure help me to know that the very cool
88 <a href=
"http://www.servalproject.org/">Serval project in Australia
</a>
89 is using batman-adv as their meshing technology when it create a self
90 organizing and self healing telephony system for disaster areas and
91 less industrialized communities. Check out this cool video presenting
93 <a href=
"https://www.youtube.com/watch?v=30qNfzJCQOA">youtube
</a>):
</p>
95 <p><iframe width=
"560" height=
"315" src=
"https://www.youtube.com/embed/30qNfzJCQOA" frameborder=
"0" allowfullscreen
></iframe></p>
97 <p>According to the wikipedia page on
98 <a href=
"http://en.wikipedia.org/wiki/Wireless_mesh_network">Wireless
99 mesh network
</a> there are around
70 competing schemes for routing
100 packets across mesh networks, and OLSR, B.A.T.M.A.N. and
101 B.A.T.M.A.N. advanced are protocols used by several free software
102 based community mesh networks.
</p>
104 <p>The batman-adv protocol is a bit special, as it provide layer
2
105 (as in ethernet ) routing, allowing ipv4 and ipv6 to work on the same
106 network. One way to think about it is that it provide a mesh based
107 vlan you can bridge to or handle like any other vlan connected to your
108 computer. The required drivers are already in the Linux kernel at
109 least since Debian Wheezy, and it is fairly easy to set up. A
110 <a href=
"http://www.open-mesh.org/projects/batman-adv/wiki/Quick-start-guide">good
111 introduction
</a> is available from the Open Mesh project. These are
112 the key settings needed to join the Oslo meshfx network:
</p>
115 <tr><th>Setting
</th><th>Value
</th></tr>
116 <tr><td>Protocol / kernel module
</td><td>batman-adv
</td></tr>
117 <tr><td>ESSID
</td><td>meshfx@hackeriet
</td></tr>
118 <td>Channel / Frequency
</td><td>11 /
2462</td></tr>
119 <td>Cell ID
</td><td>02:BA:
00:
00:
00:
01</td>
122 <p>The reason for setting ad-hoc wifi Cell ID is to work around bugs
123 in firmware used in wifi card and wifi drivers. (See a nice post from
125 "
<a href=
"http://tiebing.blogspot.no/2009/12/ad-hoc-cell-splitting-re-post-original.html">Information
126 about cell-id splitting, stuck beacons, and failed IBSS merges!
</a>
127 for details.) When these settings are activated and you have some
128 other mesh node nearby, your computer will be connected to the mesh
129 network and can communicate with any mesh node that is connected to
130 any of the nodes in your network of nodes. :)
</p>
132 <p>My initial plan was to reuse my old Linksys WRT54GL as a mesh node,
133 but that seem to be very hard, as I have not been able to locate a
134 firmware supporting batman-adv. If anyone know how to use that old
135 wifi access point with batman-adv these days, please let me know.
</p>
137 <p>If you find this project interesting and want to join, please join
138 us on IRC, either channel
139 <a href=
"irc://irc.freenode.net/#oslohackerspace">#oslohackerspace
</a>
140 or
<a href=
"irc://irc.freenode.net/#nuug">#nuug
</a> on
141 irc.freenode.net.
</p>
143 <p>While investigating mesh networks in Oslo, I came across an old
144 research paper from the university of Stavanger and Telenor Research
145 and Innovation called
146 <a href=
"http://folk.uio.no/paalee/publications/netrel-egeland-iswcs-2008.pdf">The
147 reliability of wireless backhaul mesh networks
</a> and elsewhere
148 learned that Telenor have been experimenting with mesh networks at
149 Grünerløkka in Oslo. So mesh networks are also interesting for
150 commercial companies, even though Telenor discovered that it was hard
151 to figure out a good business plan for mesh networking and as far as I
152 know have closed down the experiment. Perhaps Telenor or others would
153 be interested in a cooperation?
</p>
155 <p><strong>Update
2013-
10-
12</strong>: I was just
156 <a href=
"http://lists.alioth.debian.org/pipermail/freedombox-discuss/2013-October/005900.html">told
157 by the Serval project developers
</a> that they no longer use
158 batman-adv (but are compatible with it), but their own crypto based
165 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/english">english
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/freedombox">freedombox
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/nuug">nuug
</a>.
170 <div class=
"padding"></div>
174 <a href=
"http://people.skolelinux.org/pere/blog/Videos_about_the_Freedombox_project___for_inspiration_and_learning.html">Videos about the Freedombox project - for inspiration and learning
</a>
180 <p>The
<a href=
"http://www.freedomboxfoundation.org/">Freedombox
181 project
</a> have been going on for a while, and have presented the
182 vision, ideas and solution several places. Here is a little
183 collection of videos of talks and presentation of the project.
</p>
187 <li><a href=
"http://www.youtube.com/watch?v=ukvUz5taxvA">FreedomBox -
188 2,
5 minute marketing film
</a> (Youtube)
</li>
190 <li><a href=
"http://www.youtube.com/watch?v=SzW25QTVWsE">Eben Moglen
191 discusses the Freedombox on CBS news
2011</a> (Youtube)
</li>
193 <li><a href=
"http://www.youtube.com/watch?v=Ae8SZbxfE0g">Eben Moglen -
194 Freedom in the Cloud - Software Freedom, Privacy and and Security for
195 Web
2.0 and Cloud computing at ISOC-NY Public Meeting
2010</a>
198 <li><a href=
"http://www.youtube.com/watch?v=vNaIji_3xBE">Fosdem
2011
199 Keynote by Eben Moglen presenting the Freedombox
</a> (Youtube)
</li>
201 <li><a href=
"http://www.youtube.com/watch?v=9bDDUyJSQ9s">Presentation of
202 the Freedombox by James Vasile at Elevate in Gratz
2011</a> (Youtube)
</li>
204 <li><a href=
"http://www.youtube.com/watch?v=zQTmnk27g9s"> Freedombox -
205 Discovery, Identity, and Trust by Nick Daly at Freedombox Hackfest New
206 York City in
2012</a> (Youtube)
</li>
208 <li><a href=
"http://www.youtube.com/watch?v=tkbSB4Ba7Ck">Introduction
209 to the Freedombox at Freedombox Hackfest New York City in
2012</a>
212 <li><a href=
"http://www.youtube.com/watch?v=z-P2Jaeg0aQ">Freedom, Out
213 of the Box! by Bdale Garbee at linux.conf.au Ballarat,
2012</a> (Youtube)
</li>
215 <li><a href=
"https://archive.fosdem.org/2013/schedule/event/freedombox/">Freedombox
216 1.0 by Eben Moglen and Bdale Garbee at Fosdem
2013</a> (FOSDEM)
</li>
218 <li><a href=
"http://www.youtube.com/watch?v=e1LpYX2zVYg">What is the
219 FreedomBox today by Bdale Garbee at Debconf13 in Vaumarcus
220 2013</a> (Youtube)
</li>
224 <p>A larger list is available from
225 <a href=
"https://wiki.debian.org/FreedomBox/TalksAndPresentations">the
226 Freedombox Wiki
</a>.
</p>
228 <p>On other news, I am happy to report that Freedombox based on Debian
229 Jessie is coming along quite well, and soon both Owncloud and using
230 Tor should be available for testers of the Freedombox solution. :) In
231 a few weeks I hope everything needed to test it is included in Debian.
232 The withsqlite package is already in Debian, and the plinth package is
233 pending in NEW. The third and vital part of that puzzle is the
234 metapackage/setup framework, which is still pending an upload. Join
235 us on
<a href=
"irc://irc.debian.org:6667/%23freedombox">IRC
236 (#freedombox on irc.debian.org)
</a> and
237 <a href=
"http://lists.alioth.debian.org/mailman/listinfo/freedombox-discuss">the
238 mailing list
</a> if you want to help make this vision come true.
</p>
244 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/freedombox">freedombox
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/web">web
</a>.
249 <div class=
"padding"></div>
253 <a href=
"http://people.skolelinux.org/pere/blog/Recipe_to_test_the_Freedombox_project_on_amd64_or_Raspberry_Pi.html">Recipe to test the Freedombox project on amd64 or Raspberry Pi
</a>
259 <p>I was introduced to the
260 <a href=
"http://www.freedomboxfoundation.org/">Freedombox project
</a>
261 in
2010, when Eben Moglen presented his vision about serving the need
262 of non-technical people to keep their personal information private and
263 within the legal protection of their own homes. The idea is to give
264 people back the power over their network and machines, and return
265 Internet back to its intended peer-to-peer architecture. Instead of
266 depending on a central service, the Freedombox will give everyone
267 control over their own basic infrastructure.
</p>
269 <p>I've intended to join the effort since then, but other tasks have
270 taken priority. But this summers nasty news about the misuse of trust
271 and privilege exercised by the "western" intelligence gathering
272 communities increased my eagerness to contribute to a point where I
273 actually started working on the project a while back.
</p>
275 <p>The
<a href=
"https://alioth.debian.org/projects/freedombox/">initial
276 Debian initiative
</a> based on the vision from Eben Moglen, is to
277 create a simple and cheap Debian based appliance that anyone can hook
278 up in their home and get access to secure and private services and
279 communication. The initial deployment platform have been the
280 <a href=
"http://www.globalscaletechnologies.com/t-dreamplugdetails.aspx">Dreamplug
</a>,
281 which is a piece of hardware I do not own. So to be able to test what
282 the current Freedombox setup look like, I had to come up with a way to install
283 it on some hardware I do have access to. I have rewritten the
284 <a href=
"https://github.com/NickDaly/freedom-maker">freedom-maker
</a>
285 image build framework to use .deb packages instead of only copying
286 setup into the boot images, and thanks to this rewrite I am able to
287 set up any machine supported by Debian Wheezy as a Freedombox, using
288 the previously mentioned deb (and a few support debs for packages
289 missing in Debian).
</p>
291 <p>The current Freedombox setup consist of a set of bootstrapping
293 (
<a href=
"https://github.com/petterreinholdtsen/freedombox-setup">freedombox-setup
</a>),
294 and a administrative web interface
295 (
<a href=
"https://github.com/NickDaly/Plinth">plinth
</a> + exmachina +
296 withsqlite), as well as a privacy enhancing proxy based on
297 <a href=
"http://packages.qa.debian.org/privoxy">privoxy
</a>
298 (freedombox-privoxy). There is also a web/javascript based XMPP
299 client (
<a href=
"http://packages.qa.debian.org/jwchat">jwchat
</a>)
300 trying (unsuccessfully so far) to talk to the XMPP server
301 (
<a href=
"http://packages.qa.debian.org/ejabberd">ejabberd
</a>). The
302 web interface is pluggable, and the goal is to use it to enable OpenID
303 services, mesh network connectivity, use of TOR, etc, etc. Not much of
304 this is really working yet, see
305 <a href=
"https://github.com/NickDaly/freedombox-todos/blob/master/TODO">the
306 project TODO
</a> for links to GIT repositories. Most of the code is
307 on github at the moment. The HTTP proxy is operational out of the
308 box, and the admin web interface can be used to add/remove plinth
309 users. I've not been able to do anything else with it so far, but
310 know there are several branches spread around github and other places
311 with lots of half baked features.
</p>
313 <p>Anyway, if you want to have a look at the current state, the
314 following recipes should work to give you a test machine to poke
317 <p><strong>Debian Wheezy amd64
</strong></p>
321 <li>Fetch normal Debian Wheezy installation ISO.
</li>
322 <li>Boot from it, either as CD or USB stick.
</li>
323 <li><p>Press [tab] on the boot prompt and add this as a boot argument
324 to the Debian installer:
<p>
325 <pre>url=
<a href=
"http://www.reinholdtsen.name/freedombox/preseed-wheezy.dat">http://www.reinholdtsen.name/freedombox/preseed-wheezy.dat
</a></pre></li>
327 <li>Answer the few language/region/password questions and pick disk to
330 <li>When the installation is finished and the machine have rebooted a
331 few times, your Freedombox is ready for testing.
</li>
335 <p><strong>Raspberry Pi Raspbian
</strong></p>
339 <li>Fetch a Raspbian SD card image, create SD card.
</li>
340 <li>Boot from SD card, extend file system to fill the card completely.
</li>
341 <li><p>Log in and add this to /etc/sources.list:
</p>
343 deb
<a href=
"http://www.reinholdtsen.name/freedombox/">http://www.reinholdtsen.name/freedombox
</a> wheezy main
345 <li><p>Run this as root:
</p>
347 wget -O - http://www.reinholdtsen.name/freedombox/BE1A583D.asc | \
350 apt-get install freedombox-setup
351 /usr/lib/freedombox/setup
353 <li>Reboot into your freshly created Freedombox.
</li>
357 <p>You can test it on other architectures too, but because the
358 freedombox-privoxy package is binary, it will only work as intended on
359 the architectures where I have had time to build the binary and put it
360 in my APT repository. But do not let this stop you. It is only a
361 short "
<tt>apt-get source -b freedombox-privoxy
</tt>" away. :)</p>
363 <p>Note that by default Freedombox is a DHCP server on the
364 192.168.1.0/24 subnet, so if this is your subnet be careful and turn
365 off the DHCP server by running "<tt>update-rc.d isc-dhcp-server
366 disable
</tt>" as root.</p>
368 <p>Please let me know if this works for you, or if you have any
369 problems. We gather on the IRC channel
370 <a href="irc://irc.debian.org:
6667/%
23freedombox
">#freedombox</a> on
371 irc.debian.org and the
372 <a href="http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/freedombox-discuss
">project
373 mailing list</a>.</p>
375 <p>Once you get your freedombox operational, you can visit
376 <tt>http://your-host-name:8001/</tt> to see the state of the plint
377 welcome screen (dead end - do not be surprised if you are unable to
378 get past it), and next visit <tt>http://your-host-name:8001/help/</tt>
379 to look at the rest of plinth. The default user is 'admin' and the
380 default password is 'secret'.</p>
386 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/freedombox
">freedombox</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet
">sikkerhet</a>, <a href="http://people.skolelinux.org/pere/blog/tags/surveillance
">surveillance</a>, <a href="http://people.skolelinux.org/pere/blog/tags/web
">web</a>.
391 <div class="padding
"></div>
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