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<channel>
	<title>TheBonsai&#039;s Blog</title>
	<atom:link href="http://www.thebonsai.net/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.thebonsai.net</link>
	<description>About the days and nights of TheBonsai</description>
	<lastBuildDate>Thu, 13 May 2010 08:43:29 +0000</lastBuildDate>
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			<item>
		<title>Willkommen im Club der Alten Säcke</title>
		<link>http://www.thebonsai.net/2010/05/12/willkommen-im-club-der-alten-sacke/</link>
		<comments>http://www.thebonsai.net/2010/05/12/willkommen-im-club-der-alten-sacke/#comments</comments>
		<pubDate>Wed, 12 May 2010 19:26:05 +0000</pubDate>
		<dc:creator>TheBonsai</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[deutsch]]></category>
		<category><![CDATA[age]]></category>

		<guid isPermaLink="false">http://www.thebonsai.net/?p=201</guid>
		<description><![CDATA[Da wird man in einer technischen Diskussion so nebenbei zum alten Sack abgestempelt&#8230;
&#60;greycat&#62;   # mkdir foo; cd foo; rmdir ../foo; mkdir ../foo; touch bar
&#60;evalbot&#62;   greycat: touch: cannot touch `bar': No such file or directory
&#60;greycat&#62;   That's what I had been attempting to demonstrate with the previous evalbot test...
&#60;TheBonsai&#62; but this [...]]]></description>
			<content:encoded><![CDATA[<p>Da wird man in einer technischen Diskussion so nebenbei zum alten Sack abgestempelt&#8230;</p>
<pre><strong>&lt;greycat&gt;</strong>   # mkdir foo; cd foo; rmdir ../foo; mkdir ../foo; touch bar
<strong>&lt;evalbot&gt;</strong>   greycat: touch: cannot touch `bar': No such file or directory
<strong>&lt;greycat&gt;</strong>   That's what I had been attempting to demonstrate with the previous evalbot test...
<strong>&lt;TheBonsai&gt;</strong> but this behaviour is no surprise
<strong>&lt;greycat&gt;</strong>   It's no surprise if you're a unix veteran.
<strong>&lt;TheBonsai&gt;</strong> er... greg i'm 30, wrong aage
<strong>&lt;greycat&gt;</strong>   Been using Unix for more than 5 years?
<strong>&lt;TheBonsai&gt;</strong> yes, definitely
<strong>&lt;greycat&gt;</strong>   Veteran.
<strong>&lt;TheBonsai&gt;</strong> *shocked*</pre>
<p><em>(Quelle: IRC Channel #bash auf dem Freenode IRC Netzwerk, irrelevanter Text entfernt)</em></p>
]]></content:encoded>
			<wfw:commentRss>http://www.thebonsai.net/2010/05/12/willkommen-im-club-der-alten-sacke/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Fehlerbeseitigung</title>
		<link>http://www.thebonsai.net/2010/05/11/fehlerbeseitigung/</link>
		<comments>http://www.thebonsai.net/2010/05/11/fehlerbeseitigung/#comments</comments>
		<pubDate>Tue, 11 May 2010 19:08:40 +0000</pubDate>
		<dc:creator>TheBonsai</dc:creator>
				<category><![CDATA[Oracle]]></category>
		<category><![CDATA[deutsch]]></category>
		<category><![CDATA[idiots]]></category>

		<guid isPermaLink="false">http://www.thebonsai.net/?p=198</guid>
		<description><![CDATA[Erlebnis des Tages:
Dienstleister bittet die Datenbankadministration um die Beseitigung des folgenden (Zitat) Datenbankfehlers: ORA-00054: resource busy and acquire with NOWAIT specified
&#8230;der manchmal bei einem SELECT FOR UPDATE NOWAIT kommt.
Ist meine Datenbank kaputt?
]]></description>
			<content:encoded><![CDATA[<h3>Erlebnis des Tages:</h3>
<p>Dienstleister bittet die <em>Datenbankadministration</em> um die Beseitigung des folgenden (Zitat) <span style="color: #ff0000;"><em>Datenbankfehlers</em></span>: <strong><em>ORA</em>-<em>00054</em>: resource busy and acquire with NOWAIT specified</strong></p>
<p>&#8230;der manchmal bei einem SELECT FOR UPDATE NOWAIT kommt.</p>
<p>Ist meine Datenbank kaputt?</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Motto des Tages</title>
		<link>http://www.thebonsai.net/2010/04/27/motto-des-tages/</link>
		<comments>http://www.thebonsai.net/2010/04/27/motto-des-tages/#comments</comments>
		<pubDate>Tue, 27 Apr 2010 10:29:21 +0000</pubDate>
		<dc:creator>TheBonsai</dc:creator>
				<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Work]]></category>
		<category><![CDATA[deutsch]]></category>

		<guid isPermaLink="false">http://www.thebonsai.net/?p=189</guid>
		<description><![CDATA[Motto des heutigen Tages:

Datenbank statt Gartenbank!

(vielen Dank an die zynischen Kollegen der Netzwerkadministration&#8230;)
]]></description>
			<content:encoded><![CDATA[<p>Motto des heutigen Tages:</p>
<blockquote>
<h2>Datenbank statt Gartenbank!</h2>
</blockquote>
<p>(vielen Dank an die zynischen Kollegen der Netzwerkadministration&#8230;)</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Will we get the real answers in october 2010?</title>
		<link>http://www.thebonsai.net/2010/04/24/will-we-get-the-real-answers-in-october-2010/</link>
		<comments>http://www.thebonsai.net/2010/04/24/will-we-get-the-real-answers-in-october-2010/#comments</comments>
		<pubDate>Sat, 24 Apr 2010 14:58:42 +0000</pubDate>
		<dc:creator>TheBonsai</dc:creator>
				<category><![CDATA[Bash]]></category>
		<category><![CDATA[Science Fiction]]></category>
		<category><![CDATA[english]]></category>
		<category><![CDATA[42]]></category>
		<category><![CDATA[universe]]></category>

		<guid isPermaLink="false">http://www.thebonsai.net/?p=184</guid>
		<description><![CDATA[We all wonder about the answer to the ultimate question of life, the universe, and everything. Maybe in october we&#8217;ll get it as clear as it can be:
$ echo $((2#$(date -d '10 oct 2010' +"%d%m%y")))
42

Be prepared!
]]></description>
			<content:encoded><![CDATA[<p>We all wonder about the answer to the ultimate question of life, the universe, and everything. Maybe in october we&#8217;ll get it as clear as it can be:</p>
<pre style="padding-left: 60px;"><span style="color: #0000ff;">$ echo $((2#$(date -d '10 oct 2010' +"%d%m%y")))
42</span>
</pre>
<h2><span style="color: #ff0000;">Be prepared!</span></h2>
]]></content:encoded>
			<wfw:commentRss>http://www.thebonsai.net/2010/04/24/will-we-get-the-real-answers-in-october-2010/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>[GC]lue records</title>
		<link>http://www.thebonsai.net/2010/03/27/gclue-records/</link>
		<comments>http://www.thebonsai.net/2010/03/27/gclue-records/#comments</comments>
		<pubDate>Sat, 27 Mar 2010 15:01:29 +0000</pubDate>
		<dc:creator>TheBonsai</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[english]]></category>
		<category><![CDATA[DNS]]></category>
		<category><![CDATA[rant]]></category>

		<guid isPermaLink="false">http://www.thebonsai.net/?p=174</guid>
		<description><![CDATA[Hi there DNS guys!
On IRC or mailinglists I frequently see people not understanding the idea and concepts behind glue records. Many have no clue about it. It&#8217;s always the same, some people don&#8217;t get it and thus make their sites unavailable &#8211; when you explain it, they don&#8217;t understand.
Hence, I suggest a name change, just [...]]]></description>
			<content:encoded><![CDATA[<p>Hi there DNS guys!</p>
<p>On IRC or mailinglists I frequently see people not understanding the idea and concepts behind <a title="Wikipedia: DNS glue records" href="http://en.wikipedia.org/wiki/Glue_record#Circular_dependencies_and_glue_records" target="_blank">glue records</a>. Many have no <span style="color: #ff0000;"><em>clue</em></span> about it. It&#8217;s always the same, some people don&#8217;t get it and thus make their sites unavailable &#8211; when you explain it, they don&#8217;t understand.</p>
<p>Hence, I suggest a name change, just name them</p>
<h2 style="text-align: center;"><span style="color: #ff0000;">The clue records</span></h2>
<p><span style="text-decoration: underline;"><span style="color: #ff0000;"><strong> </strong></span></span></p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>nss-pam-ldapd</title>
		<link>http://www.thebonsai.net/2010/01/23/nss-pam-ldapd/</link>
		<comments>http://www.thebonsai.net/2010/01/23/nss-pam-ldapd/#comments</comments>
		<pubDate>Sat, 23 Jan 2010 17:16:15 +0000</pubDate>
		<dc:creator>TheBonsai</dc:creator>
				<category><![CDATA[Coding]]></category>
		<category><![CDATA[Hobby]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[english]]></category>
		<category><![CDATA[authentication]]></category>
		<category><![CDATA[hacking]]></category>
		<category><![CDATA[ldap]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[nss]]></category>
		<category><![CDATA[pam]]></category>

		<guid isPermaLink="false">http://www.thebonsai.net/?p=171</guid>
		<description><![CDATA[Hi folks,
I have a small LDAP setup running for centralized Linux authentication since years, using the NSS and PAM modules from PADL Software Pty Ltd.
A few weeks ago I found the nss-pam-ldapd from Arthur de Jong and found the architecture is promising and fixes some problems with the design of the PADL modules.
This project needs [...]]]></description>
			<content:encoded><![CDATA[<p>Hi folks,</p>
<p>I have a small LDAP setup running for centralized Linux authentication since years, using the NSS and PAM modules from <a title="PADL Software Pty Ltd" href="http://www.padl.com/" target="_blank">PADL Software Pty Ltd</a>.</p>
<p>A few weeks ago I found the <a title="http://arthurdejong.org/nss-pam-ldapd/" href="http://arthurdejong.org/nss-pam-ldapd/" target="_blank">nss-pam-ldapd</a> from <a title="http://arthurdejong.org/" href="http://arthurdejong.org/" target="_blank">Arthur de Jong</a> and found the architecture is promising and fixes some problems with the design of the PADL modules.</p>
<p>This project needs contributors, so if you</p>
<ul>
<li>have time</li>
<li>know some C</li>
<li>like LDAP</li>
<li>have ideas</li>
<li>can test</li>
</ul>
<p>it would be nice to see you there.</p>
<p>I also contributed a line or two.</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>1&amp;1 Webspace Umbau?</title>
		<link>http://www.thebonsai.net/2009/12/29/11-webspace-umbau/</link>
		<comments>http://www.thebonsai.net/2009/12/29/11-webspace-umbau/#comments</comments>
		<pubDate>Tue, 29 Dec 2009 09:21:35 +0000</pubDate>
		<dc:creator>TheBonsai</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[deutsch]]></category>
		<category><![CDATA[1und1]]></category>
		<category><![CDATA[fail]]></category>
		<category><![CDATA[hoster]]></category>
		<category><![CDATA[webhosting]]></category>

		<guid isPermaLink="false">http://www.thebonsai.net/?p=166</guid>
		<description><![CDATA[Heute Nacht (ca. 2 Uhr) wollte ich nochmal die aktuellen Zugriffsdaten aus http://bash-hackers.org/wiki herausziehen. Das dafür angeferigte Skript (FTP) sagte nur knapp &#8220;Fehler bei der Begrüßung des Servers.&#8221;.
Manueller Logon enthüllte eine 500-Antwort, dass der FTP Server down sei wegen &#8220;server removal&#8221; (???). Ein Blick auf die zugehörige Website (das Wiki) ergab Fehlermeldungen, dass die Wiki [...]]]></description>
			<content:encoded><![CDATA[<p>Heute Nacht (ca. 2 Uhr) wollte ich nochmal die aktuellen Zugriffsdaten aus <a title="http://bash-hackers.org/wiki" href="http://bash-hackers.org/wiki" target="_blank">http://bash-hackers.org/wiki</a> herausziehen. Das dafür angeferigte Skript (FTP) sagte nur knapp &#8220;Fehler bei der Begrüßung des Servers.&#8221;.</p>
<p>Manueller Logon enthüllte eine 500-Antwort, dass der FTP Server down sei wegen &#8220;server removal&#8221; (???). Ein Blick auf die zugehörige Website (das Wiki) ergab Fehlermeldungen, dass die Wiki Software keine Schreibberechtigungen hätte.</p>
<p>Test Logon mit sftp(1): Geht. Dateien alle da, Berechtigungen passen. Upload oder chmod oder Symlinking mittels sftp (kurz: Jegliche Schreiboperation): Ein lapidares &#8220;Failure&#8221;. Erstmal ein stundenaktuelles Backup runtergeladen. Vielleicht brennt ja die Hütte gerade <img src='http://www.thebonsai.net/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> </p>
<p>Heute morgen ging alles zumindest ab 6 Uhr wieder (aus dem Änderungslog Wiki).</p>
<p>Das muffelt alles irgendwie nach Serverumzug oder einer ähnlichen tiefgreifenden Änderung am System oder an der Infrastruktur. Der nachts noch eröffnete Support Call war bis jetzt noch nicht beantwortet.</p>
<p>Ich habe jetzt nochmal meine E-Mails und meine 1&amp;1-Mitteilungen überprüft: Wenn wirklich etwas geplant am System verändert wurde, hat 1&amp;1 schlichtweg vergessen den/m Kunden bescheid zu geben. Wenn es eine ungeplante Aktion (z.B. durch Hardwareausfall) war hätte ich spätestens heute morgen eine E-Mail erwartet.</p>
<p>Dies sind nicht die ersten technischen Probleme mit 1&amp;1, die letzten paar Jahre kam es immer wieder vor dass kleinere Datenmengen (im Bereich von wenigen MB) nicht runter-/hochgeladen werden konnten. Dieser Zustand zog sich dann immer über mehrere Tage.</p>
<p>Da ich auch einen Rootserver (nicht 1&amp;1! Bisschen Werbung darf man machen: Bis jetzt gute Erfahrungen: <a title="http://www.hetzner.de/" href="http://www.hetzner.de/" target="_blank">Hetzner AG</a>) im Zugriff habe, werde ich mittelfristig alle Domains umziehen und den ganzen Kram selber machen &#8211; dann weiss ich wenigstens warum irgendwas nicht geht.</p>
<p>Meine Meinung über die letzten Jahre und 1&amp;1 im Privatkundenbereich: Bunte Bildchen und Knöpfchen haben sie genug auf den Support- und Konfigurationsseiten, soviel dass sich kein Mensch mehr auskennt. Ansonsten wirken sie nicht so gross wie sie eigentlich wirklich sind. Mir ist klar dass ich kein Geschäftskunde (und damit uninteressant) bin, aber diese unsaubere Art des Webhostings kann ich auch getrost selber bewerkstelligen.</p>
]]></content:encoded>
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		<item>
		<title>Coding intuitive interfaces</title>
		<link>http://www.thebonsai.net/2009/12/09/coding-intuitive-interfaces/</link>
		<comments>http://www.thebonsai.net/2009/12/09/coding-intuitive-interfaces/#comments</comments>
		<pubDate>Wed, 09 Dec 2009 06:21:19 +0000</pubDate>
		<dc:creator>TheBonsai</dc:creator>
				<category><![CDATA[Coding]]></category>
		<category><![CDATA[Hobby]]></category>

		<guid isPermaLink="false">http://www.thebonsai.net/?p=159</guid>
		<description><![CDATA[In some discussion about interfaces I followed, somebody said the wise words:

The only truly intuitive interface is the nipple

I&#8217;ve never seen it that way&#8230;
UPDATE: http://www.greenend.org.uk/rjk/2002/08/nipple.html does some research on it
]]></description>
			<content:encoded><![CDATA[<p>In some discussion about interfaces I followed, somebody said the wise words:</p>
<blockquote>
<h1>The only truly intuitive interface is the nipple</h1>
</blockquote>
<p>I&#8217;ve never seen it that way&#8230;</p>
<p>UPDATE: <a href="http://www.greenend.org.uk/rjk/2002/08/nipple.html" target="_blank">http://www.greenend.org.uk/rjk/2002/08/nipple.html</a> does some research on it</p>
]]></content:encoded>
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		<item>
		<title>First touches: Oracle 11g Release 2</title>
		<link>http://www.thebonsai.net/2009/10/22/first-touches-oracle-11g-release-2/</link>
		<comments>http://www.thebonsai.net/2009/10/22/first-touches-oracle-11g-release-2/#comments</comments>
		<pubDate>Thu, 22 Oct 2009 05:36:39 +0000</pubDate>
		<dc:creator>TheBonsai</dc:creator>
				<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Work]]></category>

		<guid isPermaLink="false">http://www.thebonsai.net/?p=155</guid>
		<description><![CDATA[At the beginning of the week we lost a 10gR2 test server (some mass data application &#8211; sizes similar to warehousing) due to the complete loss of a RAID6 (don&#8217;t ask!).
Well, test server is test server: We (me as DBA, and a collegue as the responsible application developer) finally decided to step into the Oracle [...]]]></description>
			<content:encoded><![CDATA[<p>At the beginning of the week we lost a 10gR2 test server (some mass data application &#8211; sizes similar to warehousing) due to the complete loss of a RAID6 (don&#8217;t ask!).</p>
<p>Well, test server is test server: We (me as DBA, and a collegue as the responsible application developer) finally decided to step into the Oracle 11 world: The new system will be 11gR2</p>
<p>After some reading in I had no problems to understand the new separated architecture with its HA daemon (keyword: Grid Infrastructure) and install the whole software and create a database. And, very important, there was no, not one damn small, problem when importing 10gR2 datapump files (from the productive system). I heard some weird stories before, and I was a bit afraid about that. But nothing, all data was pumped in like a charm.</p>
<p>The first thing I changed, for me as DBA one of the most interesting features on those large databases, I really parallelized RMAN for backup. I hope I can reduce the backup time to a useful amount with that. This was one of the biggest discrepance in 10g: You can create very large datafiles, but you can&#8217;t backup them in a true parallel manner. I&#8217;ll check my logfiles today and hope&#8230;</p>
<p>Well, so far so good, I will see what 11g (especially R2 here) brings to me and, more important, the applications. It will take some time to really explore the pros.</p>
<p>For all of you still at 10g and loose a test system by accident (and have a developer that really wants it&#8230;): Try it <img src='http://www.thebonsai.net/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> </p>
]]></content:encoded>
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		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>New Home Server</title>
		<link>http://www.thebonsai.net/2009/09/14/new-home-server/</link>
		<comments>http://www.thebonsai.net/2009/09/14/new-home-server/#comments</comments>
		<pubDate>Mon, 14 Sep 2009 04:59:53 +0000</pubDate>
		<dc:creator>TheBonsai</dc:creator>
				<category><![CDATA[Hobby]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[english]]></category>
		<category><![CDATA[server]]></category>

		<guid isPermaLink="false">http://www.thebonsai.net/?p=153</guid>
		<description><![CDATA[Since a week or so I replaced my old &#8220;home server&#8221; with some new hardware. Phenom II Quadcore with 8GB RAM and a Debian Lenny, fun!
]]></description>
			<content:encoded><![CDATA[<p>Since a week or so I replaced my old &#8220;home server&#8221; with some new hardware. Phenom II Quadcore with 8GB RAM and a Debian Lenny, fun!</p>
]]></content:encoded>
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