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		<title>Partition in Grub2 aufnehmen</title>
		<link>http://freiquell.wordpress.com/2011/07/30/partition-in-grub2-aufnehmen/</link>
		<comments>http://freiquell.wordpress.com/2011/07/30/partition-in-grub2-aufnehmen/#comments</comments>
		<pubDate>Sat, 30 Jul 2011 16:17:19 +0000</pubDate>
		<dc:creator>Boris</dc:creator>
				<category><![CDATA[Computerfreak]]></category>
		<category><![CDATA[Debian]]></category>
		<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://freiquell.wordpress.com/?p=356</guid>
		<description><![CDATA[Man könnte meinen es sei einfach eine Partition in Grub2 aufzunehmen. Wer das aber über den klassischen Weg (Konfigurations-Datei) machen will rennt gegen die Wand. Zumindest ging es mir so! Ein viel einfacherer aber nicht so offensichtlicher Weg klappt aber: 1) Installiere das Paket: os-prober 2) Als Root ausführen: update-grub2 Nun sollten alle Boot-Fähigen Partitionen [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=freiquell.wordpress.com&amp;blog=9397501&amp;post=356&amp;subd=freiquell&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Man könnte meinen es sei einfach eine Partition in Grub2 aufzunehmen. Wer das aber über den klassischen Weg (Konfigurations-Datei) machen will rennt gegen die Wand. Zumindest ging es mir so!</p>
<p>Ein viel einfacherer aber nicht so offensichtlicher Weg klappt aber:</p>
<p>1) Installiere das Paket: os-prober<br />
2) Als Root ausführen: update-grub2</p>
<p>Nun sollten alle Boot-Fähigen Partitionen im Boot-Menü kommen. Da ich das nicht alleine herausgefunden habe sondern die Debian-Leute fragen musste geht der Tipp ab ins Internet, für euch <img src='http://s1.wp.com/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> </p>
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		<title>Englische Tastatur mit Umlauten unter Linux</title>
		<link>http://freiquell.wordpress.com/2011/06/05/englische-tastatur-mit-umlauten-unter-linux/</link>
		<comments>http://freiquell.wordpress.com/2011/06/05/englische-tastatur-mit-umlauten-unter-linux/#comments</comments>
		<pubDate>Sun, 05 Jun 2011 20:32:20 +0000</pubDate>
		<dc:creator>Boris</dc:creator>
				<category><![CDATA[Debian]]></category>
		<category><![CDATA[Office]]></category>

		<guid isPermaLink="false">http://freiquell.wordpress.com/?p=344</guid>
		<description><![CDATA[Lange habe ich mich davor gedrückt. Nun habe ich mich endlich mal darum gekümmert. Wie kriege ich üöä auf meine englische Laptop-Tastatur? Es gibt wohl viele Wege das Problem zu lösen. Eine relativ schmerzlose die nicht zu tief ins System eingreift ist die folgende: Unter Debian das Paket numlockx installieren (sudo aptitude install numlockx). Dann [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=freiquell.wordpress.com&amp;blog=9397501&amp;post=344&amp;subd=freiquell&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Lange habe ich mich davor gedrückt. Nun habe ich mich endlich mal darum gekümmert. <strong>Wie kriege ich üöä auf meine englische Laptop-Tastatur?</strong></p>
<p>Es gibt wohl viele Wege das Problem zu lösen. Eine relativ schmerzlose die nicht zu tief ins System eingreift ist die folgende:</p>
<p>Unter Debian das Paket <a href="http://packages.debian.org/search?keywords=numlockx">numlockx</a> installieren (<tt>sudo aptitude install numlockx</tt>).</p>
<p>Dann folgendes in einer Datei namens <tt>.xmodmap</tt> im Home ablegen:</p>
<p><span id="more-344"></span><code><br />
keycode 66 = Mode_switch<br />
keycode 26 = e E EuroSign cent<br />
keycode 30 = u U udiaeresis Udiaeresis<br />
keycode 32 = o O odiaeresis Odiaeresis<br />
keycode 38 = a A adiaeresis Adiaeresis<br />
keycode 39 = s S ssharp<br />
</code></p>
<p>Nach einem Neustart von X kam bei meinem Debian dann gleich ein Dialog ob ich die neuen Einstellungen laden möchte.</p>
<p>Danach schreibe ich ä mit <strong>CAPSLOCK+a</strong>. Für das große Ä muss dann einfach noch SHIFT hinzu. CAPSLOCK selber geht dann nicht mehr, aber eigentlich braucht man das Ding ja eh nie! Ach ja das € geht nun mit CAPSLOCK+e.</p>
<p>Viel Spass beim schreibseln <img src='http://s0.wp.com/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<p>Und danke ans <a href="http://linuxwiki.de/TastaturKonfiguration">LinuxWiki</a> für den Tipp!</p>
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			<media:title type="html">bo</media:title>
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		<title>Mal ums Mail kümmern</title>
		<link>http://freiquell.wordpress.com/2011/03/07/mal-ums-mail-kummern/</link>
		<comments>http://freiquell.wordpress.com/2011/03/07/mal-ums-mail-kummern/#comments</comments>
		<pubDate>Mon, 07 Mar 2011 12:01:36 +0000</pubDate>
		<dc:creator>Boris</dc:creator>
				<category><![CDATA[Philosophisches]]></category>

		<guid isPermaLink="false">http://freiquell.wordpress.com/?p=334</guid>
		<description><![CDATA[Hallo Welt. Ich habe da mal eine Frage. Jetzt wo sich doch inzwischen in der IT alles um die &#8222;Cloud&#8220; dreht stellt sich mir die Frage langsam dringend. Mein Problem ist simpel und heisst Email. Ich benutze klassisch irgendwelche gratis Anbieter die mir einen POP3 Account plus hässliches Webmail bieten. Der Nachteil dabei ist, dass [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=freiquell.wordpress.com&amp;blog=9397501&amp;post=334&amp;subd=freiquell&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Hallo Welt.</p>
<p>Ich habe da mal eine Frage. Jetzt wo sich doch inzwischen in der IT alles um die &#8222;Cloud&#8220; dreht stellt sich mir die Frage langsam dringend.</p>
<p>Mein Problem ist simpel und heisst Email.</p>
<p>Ich benutze klassisch irgendwelche gratis Anbieter die mir einen POP3 Account plus hässliches Webmail bieten. Der Nachteil dabei ist, dass ich wegen dem unpraktischen Web-Interface immer noch auf einen lokalen Mailclient angewiesen bin. Dumm nur, dass man dann beim Mail abrufen halt alle Mails vom Anbieter runterlädt und löscht. Das heisst man kann später nicht mehr von sonst irgendwo darauf zugreifen. Das war früher ja kein Problem. Aber in der heutigen Welt wo sich alles immer schneller und verrückter dreht ist es nun ein Problem wenn ich nicht auf alles immer überall Zugriff habe (zumindest auf die Mails).</p>
<p><span id="more-334"></span>Nun gut. Viele Leute sagen mir nun ich solle doch einfach Googlemail benutzen. Da scheint das Web-Interface ganz anständig und gut nutzbar zu sein. Auch der Speicherplatz scheint gross genug zu sein, so dass man seine Mails online verwalten kann.</p>
<p>Nun stellt sich mir hier die Frage: Soll ich wirklich meine Seele an den Teufel verkaufen? Kann ich später alle meine Mails problemlos von Google exportieren? Möchte ich wirklich zum absolut gläsernen Bürger werden? Ist dann nicht irgendwann fertig mit Speicherplatz? Möchte ich in Zukunft, dass Google mir sagt wie ich was kommuniziere? Möchte ich ab jetzt nur noch personalisierte Webseiten sehen?</p>
<p>Fragen über Fragen.</p>
<p>Dabei wäre doch die Lösung so einfach! Man wünscht sich doch lediglich einen IMAP-Account der nicht all zu teuer und in guten Händen ist. Mit IMAP kann ich schön mein lokales Mailprogramm nutzen mit allen jemals gesendeten und empfangenen Mails, egal wann das war. Zusätzlich kann ich aber auch mal online über Webmail was senden wenn es gerade Not tut.  Weiss einer wo es das gibt? Kann man sich da beim FSF-Europe oder dem CCC engagieren und dann kriegt man sowas?</p>
<p>Oder soll man gleich ganz auf Mail verzichten? Ist das gar nicht mehr angesagt? Was gibt es da so für Alternativen?</p>
<p>Für Anregungen und Ideen bin ich dankbar.</p>
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			<media:title type="html">bo</media:title>
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		<title>Text in PDF&#8217;s markieren</title>
		<link>http://freiquell.wordpress.com/2011/01/10/text-in-pdfs-markieren/</link>
		<comments>http://freiquell.wordpress.com/2011/01/10/text-in-pdfs-markieren/#comments</comments>
		<pubDate>Mon, 10 Jan 2011 22:35:04 +0000</pubDate>
		<dc:creator>Boris</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Office]]></category>
		<category><![CDATA[Special Tools]]></category>

		<guid isPermaLink="false">http://freiquell.wordpress.com/?p=327</guid>
		<description><![CDATA[Lange ist&#8217;s her seit ich was geschrieben habe. Diese geniale Tool hat mich aber wieder dazu verleitet Mit xournal lässt sich in PDF&#8217;s auch unter Linux Text komfortabel markieren! Drüber malen und &#8222;gut is&#8220;: Das opensource Programm ist bei den gängigen Linux-Distros (Ubuntu, Debian, wohl auch die anderen) dabei, ansonsten hier: https://sourceforge.net/projects/xournal/<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=freiquell.wordpress.com&amp;blog=9397501&amp;post=327&amp;subd=freiquell&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Lange ist&#8217;s her seit ich was geschrieben habe. Diese geniale Tool hat mich aber wieder dazu verleitet <img src='http://s0.wp.com/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<p>Mit xournal lässt sich in PDF&#8217;s auch unter Linux Text komfortabel markieren!</p>
<p>Drüber malen und &#8222;gut is&#8220;:</p>
<p><a href="http://freiquell.files.wordpress.com/2011/01/xournal.jpg"><img class="aligncenter size-full wp-image-328" title="xournal" src="http://freiquell.files.wordpress.com/2011/01/xournal.jpg?w=450" alt=""   /></a>Das opensource Programm ist bei den gängigen Linux-Distros (Ubuntu, Debian, wohl auch die anderen) dabei, ansonsten hier: <a href="https://sourceforge.net/projects/xournal/">https://sourceforge.net/projects/xournal/</a></p>
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			<media:title type="html">bo</media:title>
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			<media:title type="html">xournal</media:title>
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		<title>Frage: Sparen Proxies Energie?</title>
		<link>http://freiquell.wordpress.com/2010/10/04/frage-sparen-proxies-energie/</link>
		<comments>http://freiquell.wordpress.com/2010/10/04/frage-sparen-proxies-energie/#comments</comments>
		<pubDate>Mon, 04 Oct 2010 20:45:10 +0000</pubDate>
		<dc:creator>Boris</dc:creator>
				<category><![CDATA[Computerfreak]]></category>
		<category><![CDATA[Philosophisches]]></category>

		<guid isPermaLink="false">http://freiquell.wordpress.com/?p=313</guid>
		<description><![CDATA[Ich frage mich gerade ob man durch hinzufügen eines zwischen-speichernden Proxy (caching proxy) gesamthaft Energie spart. Eines ist klar, man gewinnt (meistens) an Geschwindigkeit. Denn der Proxy speichert bereits besuchten Netz-Inhalt lokal und stellt in später direkt wieder zur Verfügung. Nun braucht dieser Proxy natürlich eine zusätzliche Maschine die auch Energie frisst. Andererseits entlastet der [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=freiquell.wordpress.com&amp;blog=9397501&amp;post=313&amp;subd=freiquell&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Ich frage mich gerade ob man durch hinzufügen eines zwischen-speichernden Proxy (caching proxy) gesamthaft Energie spart.</p>
<p>Eines ist klar, man gewinnt (meistens) an Geschwindigkeit. Denn der Proxy speichert bereits besuchten Netz-Inhalt lokal und stellt in später direkt wieder zur Verfügung.</p>
<p>Nun braucht dieser Proxy natürlich eine zusätzliche Maschine die auch Energie frisst. Andererseits entlastet der Proxy auch die ganze Server und Netzwerk-Infrastruktur im Internet.</p>
<p><span id="more-313"></span>Bei meinem eigenen Proxy-Projekt bin ich zum Schluss gekommen das so ein Proxy locker mal eben einen Viertel des Datenvolumens im Internet einspart. Zu sehen ist das anhand der Zahlen in der Grafik (oben links).</p>
<div class="wp-caption aligncenter" style="width: 490px"><a href="http://nayaboh.sourceforge.net/"><img class=" " title="Benchmark eines Proxy" src="http://nayaboh.sourceforge.net/pics/nayaboh_benchmark_example.png" alt="Benchmark eines Proxy" width="480" height="240" /></a><p class="wp-caption-text">Benchmark eines Proxy</p></div>
<p>Da wird also durchaus eine beachtliche Menge an Daten nicht quer um die halbe Welt geschleust sondern nur lokal ein paar Meter. Ausserdem werden die Server der Anbieter entlastet &#8211; was weniger Server bedeutet. Das muss doch was ausmachen?</p>
<p>Hilfreich wäre eine Zahl die sagen würde wie viel Energie ein durchschnittlicher Download pro Byte benötigt. Dann könnte ich schauen wie viel Byte Download ich mit dem Proxy spare und ob/wann er sich damit seinen eigenen Energiebedarf rechtfertigt.</p>
<p>Schlussendlich geht es ja um dezentral gegenüber zentral.</p>
<p>Habt ihr da Ideen oder Quellen? Ich würde mich sehr freuen eine plausible Antwort auf diese Frage zu haben!</p>
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			<media:title type="html">bo</media:title>
		</media:content>

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			<media:title type="html">Benchmark eines Proxy</media:title>
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		<item>
		<title>Linux von USB starten</title>
		<link>http://freiquell.wordpress.com/2010/09/14/linux-von-usb-starten/</link>
		<comments>http://freiquell.wordpress.com/2010/09/14/linux-von-usb-starten/#comments</comments>
		<pubDate>Tue, 14 Sep 2010 19:23:55 +0000</pubDate>
		<dc:creator>Boris</dc:creator>
				<category><![CDATA[Computerfreak]]></category>
		<category><![CDATA[Debian]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Special Tools]]></category>

		<guid isPermaLink="false">http://freiquell.wordpress.com/?p=304</guid>
		<description><![CDATA[Ja ich habe schon lange keinen Eintrag mehr geschrieben. Ja, dieses Thema ist auch nicht gerade die neueste Errungenschaft in der IT-Welt. Dennoch schreibe ich mal wieder, und erst noch über was ausgelutschtes Problem welches ich hatte: Debian Squeeze oder Sid (also testing oder unstable) auf einem eeePC ohne CD-Laufwerk installieren. Das übliche googeln brachte [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=freiquell.wordpress.com&amp;blog=9397501&amp;post=304&amp;subd=freiquell&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Ja ich habe schon lange keinen Eintrag mehr geschrieben. Ja, dieses Thema ist auch nicht gerade die neueste Errungenschaft in der IT-Welt.</p>
<p>Dennoch schreibe ich mal wieder, und erst noch über was ausgelutschtes <img src='http://s0.wp.com/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<p>Problem welches ich hatte: Debian Squeeze oder Sid (also testing oder unstable) auf einem eeePC ohne CD-Laufwerk installieren.</p>
<p>Das übliche googeln brachte mich vor allem auf handgestricktes wie zum Beispiel <a href="http://www.debian-administration.org/article/Boot_Debian_from_an_USB_device">hier</a>. Das ging auch ganz toll mit Debian Lenny (also stable). So geht das etwa in kürze (Achtung nicht einfach so ungeprüft laufen lassen):</p>
<pre style="font-family:Andale Mono,Lucida Console,Monaco,fixed,monospace;color:#000000;background-color:#eeeeee;font-size:12px;border:1px dashed #999999;line-height:14px;overflow:auto;width:100%;padding:5px;"><code>sudo umount /dev/sda
wget ftp://ftp.debian.org/debian/dists/stable/main/installer-i386/current/images/hd-media/boot.img.gz
sudo sh -c 'zcat ~/boot.img.gz &gt; /dev/sda'
sudo mount /dev/sda /mnt
sudo cp debian_stable.iso /mnt
sudo umount /dev/sda
</code></pre>
<p>Wie gesagt, das klappte ganz toll mit stable aber das war es auch schon. Mit Squeeze bin ich ich auf die Schnauze gefallen.</p>
<p><span id="more-304"></span>Eine GUI Variante habe ich erst gar nicht gesucht, da der &#8222;Startmedien-Ersteller&#8220; von Ubuntu 10.04 das für Debian nicht hingekriegt hat.</p>
<p><em>Schäme dich Ubuntu, wenn du weiter so deine Wurzeln zertrittst &#8211; wo endest du dann?</em></p>
<p>Nach einigem schimpfen habe ich dann mal bei irc.debian.org im #debian nachgefragt. Und siehe da, es gibt ein super Tool welches alles automatisch macht, inklusive herunterladen.</p>
<p>Es heisst <strong>UNetbootin</strong> und ist hier zu finden: <a href="http://unetbootin.sourceforge.net/">http://unetbootin.sourceforge.net/</a></p>
<p>Das ganze ist auch auf den Ubuntu-Repositories zu finden. Zack! &#8211; habe ich meinen boot-fähigen USB-Stick, danke!</p>
<p>Die Debianer haben (erstaunlicher Weise) auch noch eine Lösung für Windows-only erwähnt: <a href="http://linuxliveusb.com/">http://linuxliveusb.com/</a> (habe ich aber nicht getestet, wie auch <img src='http://s1.wp.com/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' />  )</p>
<p>Ok, das wars auch schon. Der Text soll sich nun mal bei Google einschleichen und anderen helfen. Toll so Informations-Technologie, oder?</p>
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		<title>My .vimrc</title>
		<link>http://freiquell.wordpress.com/2010/05/25/my-vimrc/</link>
		<comments>http://freiquell.wordpress.com/2010/05/25/my-vimrc/#comments</comments>
		<pubDate>Tue, 25 May 2010 13:58:07 +0000</pubDate>
		<dc:creator>Boris</dc:creator>
				<category><![CDATA[Coding]]></category>
		<category><![CDATA[english articles]]></category>
		<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://freiquell.wordpress.com/?p=284</guid>
		<description><![CDATA[Things the world should know: My .vimrc Just create a file .vimrc (this is the config file of your vim) with the following content in your home, learn how to use vim, and start having new experience of text editing """""""""""""""""""""""""""""" " Colors for gvim on windows " """""""""""""""""""""""""""""" colorscheme torte " dark background set [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=freiquell.wordpress.com&amp;blog=9397501&amp;post=284&amp;subd=freiquell&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Things the world should know:</p>
<ul>
<li>My .vimrc</li>
</ul>
<p><span id="more-284"></span>Just create a file .vimrc (this is the config file of your vim) with the following content in your home, learn how to use vim, and start having new experience of text editing <img src='http://s0.wp.com/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<pre style="border:1px dashed #999999;overflow:auto;font-family:Andale Mono,Lucida Console,Monaco,fixed,monospace;color:#000000;background-color:#eeeeee;font-size:12px;line-height:14px;width:100%;padding:5px;"><code>""""""""""""""""""""""""""""""
" Colors for gvim on windows "
""""""""""""""""""""""""""""""
colorscheme torte      " dark background
set background=dark    " foreground colors should use settings for dark background

""""""""""""""
" text marks "
""""""""""""""
set number             " show line number
syntax on              " syntax highlighting
set showmatch          " show matching parenthesis

""""""""""""""""""""
" intelligent help "
""""""""""""""""""""
set showcmd            " show the commands while typing
set ignorecase         " searches are case insensitive
set smartcase          " ... as long as you don't search for capital letters
set incsearch          " show match directly while typing pattern
set autowrite          " automatic saving for commands like :next and :make
set wildmode=list:longest,full " more intelligent auto completion
set smartindent        " automatic indenting of blocks
" pretend an X and then replace with #, trick to make comments indented!
inoremap # X&lt;C-H&gt;#

""""""""""""""
" Navigation "
""""""""""""""
" map PageDown on Space
nmap &lt;Space&gt; &lt;PageDown&gt;
" map PageUp on Back
nmap &lt;BS&gt; &lt;PageUp&gt;

""""""""
" tabs "
""""""""
set expandtab          " insert spaces instead of tabs
set tabstop=4          " define a tab as four spaces long
set shiftwidth=4       " set automatic indenting to four spaces

""""""""
" auto "
""""""""
" automatically insert shebang in new files
autocmd BufNewFile *.sh    0r !echo "\#\!$(which sh)"
autocmd BufNewFile *.bash  0r !echo "\#\!$(which bash)"
autocmd BufNewFile *.csh   0r !echo "\#\!$(which csh)"
autocmd BufNewFile *.p[lm] 0r !echo "\#\!$(which perl)"
autocmd BufNewFile *.php   0r !echo "\#\!$(which php)"

""""""""""
" unused "
""""""""""
"linux only" set makeprg=$VIMRUNTIME/tools/efm_perl.pl\ -c\ %\ $* " call the perl interpreter with :make
"colors stay, thats bad" set hlsearch           " shows all the matches of a search colored
</code></pre>
<p>Thanks to Damian Conway for his VIM teaching.</p>
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		<item>
		<title>NaYaBoh &#8211; Release v0.3</title>
		<link>http://freiquell.wordpress.com/2010/04/23/nayaboh-release-v0-3/</link>
		<comments>http://freiquell.wordpress.com/2010/04/23/nayaboh-release-v0-3/#comments</comments>
		<pubDate>Fri, 23 Apr 2010 14:18:47 +0000</pubDate>
		<dc:creator>Boris</dc:creator>
				<category><![CDATA[Computerfreak]]></category>
		<category><![CDATA[english articles]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Special Tools]]></category>

		<guid isPermaLink="false">http://freiquell.wordpress.com/?p=271</guid>
		<description><![CDATA[Oooook&#8230; I&#8217;m pretty tired now. After hours of coding, debugging and documenting I will now just announce v0.3 of NaYaBoh. NaYaBoh is an “Internet Proxy Server”, especially designed to enhance Internet access in developing countries. See here for more information. NaYaBoh has been serving at my place now for quite some month. Also Michel and [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=freiquell.wordpress.com&amp;blog=9397501&amp;post=271&amp;subd=freiquell&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Oooook&#8230; I&#8217;m pretty tired now.</p>
<p>After hours of coding, debugging and documenting I will now just announce v0.3 of NaYaBoh.</p>
<p>NaYaBoh is an “Internet Proxy Server”, especially designed to enhance Internet access in developing countries. See <a href="http://freiquell.wordpress.com/nayaboh-internet-server/">here</a> for more information.</p>
<p>NaYaBoh has been serving at my place now for quite some month. Also Michel and his <a href="http://sokolo.cronopios.org/">Linux friends</a> in Limbe are now using (or testing?) NaYaBoh.</p>
<p>I can actually tell that NaYaBoh works very fine and with no severe bugs. (In my environment&#8230;)</p>
<p>So I think it&#8217;s now time to slow down the development. I will now try to spread this thing in Cameroon.</p>
<p>I will not try to make any money &#8211; but I will try to encourage some guys to make money with it. By selling a ready to run box to others.</p>
<p>I will probably report how this Idea is selling here in Cameroon.</p>
<p>Wish me luck <img src='http://s0.wp.com/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
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		<title>Create a Graph with Perl&#8217;s GD::Graph</title>
		<link>http://freiquell.wordpress.com/2010/03/26/create-a-graph-with-perls-gdgraph/</link>
		<comments>http://freiquell.wordpress.com/2010/03/26/create-a-graph-with-perls-gdgraph/#comments</comments>
		<pubDate>Fri, 26 Mar 2010 15:38:36 +0000</pubDate>
		<dc:creator>Boris</dc:creator>
				<category><![CDATA[Computerfreak]]></category>
		<category><![CDATA[english articles]]></category>
		<category><![CDATA[Perl 5]]></category>

		<guid isPermaLink="false">http://freiquell.wordpress.com/?p=246</guid>
		<description><![CDATA[Another backup of know-how&#8230; I created this example some years ago. Since my old wiki is replaced by this blog I&#8217;ll post it here. It was very handy for me recently &#8211; when I had to creat a graph with Perl (again). You need to create charts like this? This script shows you how. It [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=freiquell.wordpress.com&amp;blog=9397501&amp;post=246&amp;subd=freiquell&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Another backup of know-how&#8230;</p>
<p>I created this example some years ago. Since my old wiki is replaced by this blog I&#8217;ll post it here.</p>
<p>It was very handy for me recently &#8211; when I had to creat a graph with Perl (again).</p>
<p>You need to create charts like this?</p>
<div id="attachment_247" class="wp-caption aligncenter" style="width: 460px"><a href="http://freiquell.files.wordpress.com/2010/03/gd_area_graph.png"><img class="size-full wp-image-247" title="gd_area_graph" src="http://freiquell.files.wordpress.com/2010/03/gd_area_graph.png?w=450&#038;h=180" alt="GD area graph" width="450" height="180" /></a><p class="wp-caption-text">GD::Graph::area</p></div>
<p><span id="more-246"></span><div id="attachment_248" class="wp-caption aligncenter" style="width: 460px"><a href="http://freiquell.files.wordpress.com/2010/03/gd_line_graph.png"><img class="size-full wp-image-248" title="gd_line_graph" src="http://freiquell.files.wordpress.com/2010/03/gd_line_graph.png?w=450&#038;h=180" alt="GD line graph" width="450" height="180" /></a><p class="wp-caption-text">GD::Graph::lines</p></div></p>
<p>This script shows you how. It produces exactly the pictures above. </p>
<pre style="font-family:Andale Mono, Lucida Console, Monaco, fixed, monospace;color:#000000;background-color:#eee;font-size:12px;border:1px dashed #999999;line-height:14px;overflow:auto;width:100%;padding:5px;"><code>#!/usr/bin/perl

use strict;
use GD::Graph::area;
use GD::Graph::lines;

# we create some data
my @time    = ('00:00', '00:01', '00:02', '00:03', '00:04', '00:05', '00:06', '00:07', '00:08', '00:09');
my @hitsA   = (     7 ,      4 ,      5 ,      6 ,      5 ,      6 ,      3 ,      3 ,      2 ,      3 );
my @hitsB   = (     0 ,      1 ,      0 ,      2 ,      3 ,      5 ,      4 ,      6 ,      7 ,      8 );

my @data = (\@time, \@hitsA, \@hitsB);

# and set up a configuration for the graph
my %config = (
    title           =&gt; 'some Chart',                # title of graph
    x_label         =&gt; 'time',                      # name of x axis
    y_label         =&gt; 'Number of Hits',            # name of y axis

    dclrs           =&gt; [ ('green', 'yellow') ],     # data color

    x_label_skip    =&gt;  2,                          # print every second label
    y_label_skip    =&gt;  1,                          # print every label
    y_tick_number   =&gt;  5,                          # show 5 lables

    y_max_value     =&gt;  10,                         # max value

    #no_axes         =&gt;  0,
    #zero_axis_only  =&gt;  0,
);

# now we create two graphs
my $areaGraph = GD::Graph::area-&gt;new(500, 200);
my $lineGraph = GD::Graph::lines-&gt;new(500, 200);

$areaGraph-&gt;set(%config) or warn $areaGraph-&gt;error;
$lineGraph-&gt;set(%config) or warn $lineGraph-&gt;error;

$areaGraph-&gt;set_legend_font('GD::gdMediumBoldFont');
$lineGraph-&gt;set_legend_font('GD::gdMediumBoldFont');
$areaGraph-&gt;set_legend('hits A', 'hits B');
$lineGraph-&gt;set_legend('hits A', 'hits B');

# render them
my $areaImage = $areaGraph-&gt;plot(\@data) or die $areaGraph-&gt;error;
my $lineImage = $lineGraph-&gt;plot(\@data) or die $areaGraph-&gt;error;

# and print them out
PNGtoFile($areaImage, 'areaGraph');
PNGtoFile($lineImage, 'lineGraph');

# print to a file
sub PNGtoFile {
    my $image = shift;
    my $fname = shift;

    open    (my $file, &quot;&gt;$fname.png&quot;) or die $!;
    binmode ($file);
    print    $file $image-&gt;png;
    close   ($file);

    return 1;
}

# print on stdout
sub PNGtoWeb {
    my $image = shift;

    print &quot;Content-type: image/png\n\n&quot;;
    print $image-&gt;png;

    return 1;
}
</code></pre>
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		<title>NaYaBoh &#8211; very simple internet server</title>
		<link>http://freiquell.wordpress.com/2010/03/11/nayaboh-very-simple-internet-server/</link>
		<comments>http://freiquell.wordpress.com/2010/03/11/nayaboh-very-simple-internet-server/#comments</comments>
		<pubDate>Thu, 11 Mar 2010 14:01:37 +0000</pubDate>
		<dc:creator>Boris</dc:creator>
				<category><![CDATA[english articles]]></category>
		<category><![CDATA[Special Tools]]></category>
		<category><![CDATA[Ubuntu]]></category>

		<guid isPermaLink="false">http://freiquell.wordpress.com/?p=214</guid>
		<description><![CDATA[&#8222;Na ya boh&#8220; is Pidgin, a widely used dialect in western Africa. It simply means &#8222;it&#8217;s your friend&#8220;. Which is the aim of NaYaBoh, great isn&#8217;t it? NaYaBoh is your friend because it helps you to ease your internet access. It&#8217;s especially designed to enhance internet connections with a slow and unstable link. This is [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=freiquell.wordpress.com&amp;blog=9397501&amp;post=214&amp;subd=freiquell&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>&#8222;Na ya boh&#8220; is Pidgin, a widely used dialect in western Africa. It simply means &#8222;it&#8217;s your friend&#8220;. Which is the aim of NaYaBoh, great isn&#8217;t it?</p>
<p>NaYaBoh is your friend because it helps you to ease your internet access. It&#8217;s especially designed to enhance internet connections with a slow and unstable link. This is why NaYaBoh has a Pidgin name. I designed this software package while my stay in Cameroon, where this dialect is spoken.</p>
<p>Since we don&#8217;t want to understate: NaYaBoh wants to enhance internet access in developing countries!</p>
<p>It does this by:</p>
<ul>
<li>being open source software</li>
<li>using the most popular and easy to get operating system: Ubuntu</li>
<li>configuring a standard Ubuntu into an internet gateway with a simple click</li>
</ul>
<p><span id="more-214"></span>NaYaBoh adds the following to your computer:</p>
<ul>
<li>Internet routing</li>
<li>DHCP &#8211; allows you to connect several computers</li>
<li>Web-Proxy: Caches web content and delivers it to you faster if you (or anybody in your network) accesses a website again.</li>
<li>DNS-Cache: Caches URL to IP translations. Helpful if your provider&#8217;s DNS is overburden again. (A common problem I faced in Cameroon, btw: use the public DNS of Google &#8222;8.8.8.8&#8243;)</li>
<li>Blocking advertisement on websites to lower internet traffic and enhance your surfexpirience by speeding up browsing.</li>
<li>Blocking update requests from your illegal, virus infected crappy windows machines &#8211; so that you can use bandwidth how you intend it.</li>
<li>Preventing Ubuntu from receiving updates. They are to costly for your bandwidth.</li>
<li>Several tools which allow you to maintain the system</li>
</ul>
<p>All you need to have is this:</p>
<ul>
<li>Any internet router which gives you DHCP.</li>
<li>A Computer with two network cards</li>
<li>Ubuntu 9.04 to install on this computer.</li>
<li>NaYaBoh to install in your running Ubuntu.</li>
</ul>
<p>NaYaBoh is simple a Ubuntu package. You can download it here: <a href="http://github.com/borisdaeppen/NaYaBoh/downloads">http://github.com/borisdaeppen/NaYaBoh/downloads</a></p>
<p>If you like to see the source code, your free to use all the rights which are offered by the GPL. Go here: <a href="http://github.com/borisdaeppen/NaYaBoh">http://github.com/borisdaeppen/NaYaBoh</a></p>
<p>Ok, to give you an idea. The setup should look as in the following picture.</p>
<div id="attachment_221" class="wp-caption aligncenter" style="width: 460px"><a href="http://freiquell.files.wordpress.com/2010/03/nayaboh_setup.png"><img class="size-full wp-image-221" title="NaYaBoh_setup" src="http://freiquell.files.wordpress.com/2010/03/nayaboh_setup.png?w=450&#038;h=589" alt="Setup of NaYaBoh" width="450" height="589" /></a><p class="wp-caption-text">Setup of NaYaBoh</p></div>
<p>Before installing NaYaBoh on Ubuntu 9.04 you have to run this command in a terminal to solve a bug (internet access needed):</p>
<pre style="border:1px dashed #999999;overflow:auto;font-family:Andale Mono,Lucida Console,Monaco,fixed,monospace;color:#000000;background-color:#eeeeee;font-size:12px;line-height:14px;width:100%;padding:5px;"><code>sudo aptitude update
</code></pre>
<p>This will update your list of software. Strangely the package dnsmasq is missing if you don&#8217;t update. But DON&#8217;T install the updates then, if you are asked!</p>
<p>After installing NaYaBo on the computer (just double click to do so) you will find some entries in your menu.</p>
<div id="attachment_225" class="wp-caption aligncenter" style="width: 460px"><a href="http://freiquell.files.wordpress.com/2010/03/nayaboh_menu.jpg"><img class="size-full wp-image-225" title="nayaboh_menu" src="http://freiquell.files.wordpress.com/2010/03/nayaboh_menu.jpg?w=450&#038;h=353" alt="Menu of NaYaBoh" width="450" height="353" /></a><p class="wp-caption-text">Menu of NaYaBoh</p></div>
<p>The internet server is not yet ready. First you have to click on &#8222;NaYaBoh System Installation&#8220;. The following menu should appear.</p>
<div id="attachment_226" class="wp-caption aligncenter" style="width: 408px"><a href="http://freiquell.files.wordpress.com/2010/03/nayaboh_install.jpg"><img class="size-full wp-image-226" title="nayaboh_install" src="http://freiquell.files.wordpress.com/2010/03/nayaboh_install.jpg?w=450" alt="installing NaYaBoh"   /></a><p class="wp-caption-text">Activating NaYaBoh?</p></div>
<p>If you click &#8222;Yes&#8220; a progress bar will come to show you how the installation is going.</p>
<p>Now the system should already be ready to use. Connect the internet router to interface zero (eth0, most likely the card on the motherboard) and your switch to the other (eth1).</p>
<p>If you now plug a computer to the switch it should receive automatic an IP address and should be able to browse on the internet. Use the &#8222;Proxy Log View&#8220; in the menu of the server to see the web requests live which pass the proxy. The &#8222;Proxy Statistics&#8220; are available as soon as the clock has passed a full hour, and from then on are updated every hour.</p>
<p>If you see any &#8222;This ad zapped&#8220; while browsing&#8230; this means that the blocking of advertisment works <img src='http://s0.wp.com/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<p>Ok, thats it for now. It&#8217;s still a unstable release, so I&#8217;m glad for any feedback.</p>
<p>Will maybe add more infos and descriptions later. Have fun!</p>
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