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	<title>Le blog d'Étienne Pouliot &#187; Linux</title>
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	<link>http://www.defitek.com/blog</link>
	<description>, consultant en systèmes informatiques</description>
	<lastBuildDate>Sun, 25 Jul 2010 00:57:16 +0000</lastBuildDate>
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			<item>
		<title>can&#8217;t adapt type &#8216;Decimal&#8217; error with Django + Apache + PostgreSQL + Psycopg2</title>
		<link>http://www.defitek.com/blog/2010/06/29/cant-adapt-type-decimal-error-with-django-apache-postgresql-psycopg2/</link>
		<comments>http://www.defitek.com/blog/2010/06/29/cant-adapt-type-decimal-error-with-django-apache-postgresql-psycopg2/#comments</comments>
		<pubDate>Tue, 29 Jun 2010 14:19:49 +0000</pubDate>
		<dc:creator>Étienne Pouliot</dc:creator>
				<category><![CDATA[Apache]]></category>
		<category><![CDATA[Django]]></category>
		<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://www.defitek.com/blog/?p=499</guid>
		<description><![CDATA[One of my Django installation was running fine for a few months.  Last week I had to add a new Django project to this server.
My setup was : CentOS 5.5, Apache, mod_wsgi and psycopg2 2.2.0.x
After I added the new project, I started getting random errors &#171;&#160;can&#8217;t adapt&#160;&#187;. It would work perfectly for a few hours [...]]]></description>
		<wfw:commentRss>http://www.defitek.com/blog/2010/06/29/cant-adapt-type-decimal-error-with-django-apache-postgresql-psycopg2/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>A minimal and secure CentOS 5.5 64 bits virtual appliance</title>
		<link>http://www.defitek.com/blog/2010/06/06/a-minimal-and-secure-centos-5-5-64-bits-virtual-appliance/</link>
		<comments>http://www.defitek.com/blog/2010/06/06/a-minimal-and-secure-centos-5-5-64-bits-virtual-appliance/#comments</comments>
		<pubDate>Sun, 06 Jun 2010 19:43:02 +0000</pubDate>
		<dc:creator>Étienne Pouliot</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[VMware]]></category>

		<guid isPermaLink="false">http://www.defitek.com/blog/?p=472</guid>
		<description><![CDATA[This virtual appliance is ideal of you want to deploy a CentOS server.  It&#8217;s only about 600MB compressed as I only included the defaults packages in a CentOS minimal installation.  I also did some basic best practice configuration to make it more secure .  Of course I could have hardened it a lot more, but [...]]]></description>
		<wfw:commentRss>http://www.defitek.com/blog/2010/06/06/a-minimal-and-secure-centos-5-5-64-bits-virtual-appliance/feed/</wfw:commentRss>
		<slash:comments>14</slash:comments>
		</item>
		<item>
		<title>Installing DKIM for Zimbra on CentOS or Red Hat</title>
		<link>http://www.defitek.com/blog/2010/03/28/installing-dkim-for-zimbra-on-centos-or-red-hat/</link>
		<comments>http://www.defitek.com/blog/2010/03/28/installing-dkim-for-zimbra-on-centos-or-red-hat/#comments</comments>
		<pubDate>Mon, 29 Mar 2010 00:45:31 +0000</pubDate>
		<dc:creator>Étienne Pouliot</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Zimbra]]></category>

		<guid isPermaLink="false">http://www.defitek.com/blog/?p=445</guid>
		<description><![CDATA[DKIM stands for DomainKey Identified Mail.  It is useful to help reduce the probability that your mail is going to be tagged as spam.  DKIM is currently used by many email provider like Google and YAhoo.  See www.dkim.org for more information.
DKIM is not included with Zimbra.  But since Zimbra use Postfix , it&#8217;s rather simple [...]]]></description>
		<wfw:commentRss>http://www.defitek.com/blog/2010/03/28/installing-dkim-for-zimbra-on-centos-or-red-hat/feed/</wfw:commentRss>
		<slash:comments>21</slash:comments>
		</item>
		<item>
		<title>A simple yet effective PostgreSQL backup script.</title>
		<link>http://www.defitek.com/blog/2010/01/06/a-simple-yet-effective-postgresql-backup-script/</link>
		<comments>http://www.defitek.com/blog/2010/01/06/a-simple-yet-effective-postgresql-backup-script/#comments</comments>
		<pubDate>Wed, 06 Jan 2010 18:36:09 +0000</pubDate>
		<dc:creator>Étienne Pouliot</dc:creator>
				<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://www.defitek.com/blog/?p=404</guid>
		<description><![CDATA[Many times I have seen administrator creating a backup script to dump their databases that do not address the follow issues :

You don&#8217;t want to manually specify which database to backup so that every time a new database is created, it will be automatically backed up. Very common mistake.
You want to save multiple copies of [...]]]></description>
		<wfw:commentRss>http://www.defitek.com/blog/2010/01/06/a-simple-yet-effective-postgresql-backup-script/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Synchroniser le temps d&#8217;une machine virtuelle Linux avec un ESX en ligne de commande</title>
		<link>http://www.defitek.com/blog/2009/12/07/syncroniser-le-temps-dune-machine-virtuelle-linux-avec-un-esx-en-ligne-de-commande/</link>
		<comments>http://www.defitek.com/blog/2009/12/07/syncroniser-le-temps-dune-machine-virtuelle-linux-avec-un-esx-en-ligne-de-commande/#comments</comments>
		<pubDate>Tue, 08 Dec 2009 02:42:26 +0000</pubDate>
		<dc:creator>Étienne Pouliot</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Trucs]]></category>
		<category><![CDATA[VMware]]></category>

		<guid isPermaLink="false">http://www.defitek.com/blog/?p=384</guid>
		<description><![CDATA[Une des bonnes pratiques avec des machines virtuelles sous ESX est de synchroniser le temps avec le serveur ESX.
On peut le configurer de 2 façons :

Dans vCenter, à l&#8217;aide des propriétés de la machine virtuelle.
Dans la machine virtuelle on peut le configurer grâce aux VMware tools.

Le deuxième option est pratique quand on a accès seulement [...]]]></description>
		<wfw:commentRss>http://www.defitek.com/blog/2009/12/07/syncroniser-le-temps-dune-machine-virtuelle-linux-avec-un-esx-en-ligne-de-commande/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>The upcoming Red Hat Enterprise Virtualization (RHEV)</title>
		<link>http://www.defitek.com/blog/2009/10/22/the-upcoming-red-hat-enterprise-virtualization-rhev/</link>
		<comments>http://www.defitek.com/blog/2009/10/22/the-upcoming-red-hat-enterprise-virtualization-rhev/#comments</comments>
		<pubDate>Thu, 22 Oct 2009 14:27:06 +0000</pubDate>
		<dc:creator>Étienne Pouliot</dc:creator>
				<category><![CDATA[Hyper-V]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[RHEV]]></category>
		<category><![CDATA[VMware]]></category>
		<category><![CDATA[XenServer]]></category>

		<guid isPermaLink="false">http://www.defitek.com/blog/?p=353</guid>
		<description><![CDATA[I had the opportunity to see a preview of the  upcoming Red Hat Enterprise Virtualization.
So far I am impressed.  It looks like it&#8217;s going to be a great product.  It got most of the features that you expect from an enterprise solutions.  I would say that the product is behind VMware in terms of functionality [...]]]></description>
		<wfw:commentRss>http://www.defitek.com/blog/2009/10/22/the-upcoming-red-hat-enterprise-virtualization-rhev/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Windows sur KVM et Red Hat sur Hyper-V officiellement supporté</title>
		<link>http://www.defitek.com/blog/2009/10/14/windows-sur-kvm-et-red-hat-sur-hyper-v-officiellement-supporte/</link>
		<comments>http://www.defitek.com/blog/2009/10/14/windows-sur-kvm-et-red-hat-sur-hyper-v-officiellement-supporte/#comments</comments>
		<pubDate>Wed, 14 Oct 2009 15:56:20 +0000</pubDate>
		<dc:creator>Étienne Pouliot</dc:creator>
				<category><![CDATA[Hyper-V]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[VMware]]></category>

		<guid isPermaLink="false">http://www.defitek.com/blog/?p=339</guid>
		<description><![CDATA[Red Hat et Microsoft ont annoncé un partenariat pour que leur système d&#8217;exploitation respectif soit officiellement supporté sur leur technologie de virtualisation.  Ainsi, Red Hat supporte Windows sur KVM et Microsoft supporte Red Hat Linux sur Hyper-V.
C&#8217;est une nouvelle surprenante, mais qui peut avoir un grand impact dans le monde de la virtualisation.  En effet [...]]]></description>
		<wfw:commentRss>http://www.defitek.com/blog/2009/10/14/windows-sur-kvm-et-red-hat-sur-hyper-v-officiellement-supporte/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>TweetDeck dans un Linux 64 bits avec KDE</title>
		<link>http://www.defitek.com/blog/2009/08/12/tweetdeck-dans-un-linux-64-bits-avec-kde/</link>
		<comments>http://www.defitek.com/blog/2009/08/12/tweetdeck-dans-un-linux-64-bits-avec-kde/#comments</comments>
		<pubDate>Wed, 12 Aug 2009 23:20:18 +0000</pubDate>
		<dc:creator>Étienne Pouliot</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Moi]]></category>
		<category><![CDATA[OpenSuse]]></category>

		<guid isPermaLink="false">http://www.defitek.com/blog/?p=255</guid>
		<description><![CDATA[Je commence à aimer Twitter.  Comme bien des débutants, j&#8217;utilisais l&#8217;interface web au début.  Mais un des amis m&#8217;a initié à TweekDeck qui est une application Adobe Air qui permet une gestion efficace de Twitter.  J&#8217;ai donc décidé de l&#8217;installer sur mon portable qui est un OpenSuse 11.1 64 bits utilisant KDE comme environnement graphique.
J&#8217;avais [...]]]></description>
		<wfw:commentRss>http://www.defitek.com/blog/2009/08/12/tweetdeck-dans-un-linux-64-bits-avec-kde/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Améliorer le filtre anti spam dans Zimbra</title>
		<link>http://www.defitek.com/blog/2009/08/03/ameliorer-le-filtre-anti-spam-dans-zimbra/</link>
		<comments>http://www.defitek.com/blog/2009/08/03/ameliorer-le-filtre-anti-spam-dans-zimbra/#comments</comments>
		<pubDate>Tue, 04 Aug 2009 03:38:22 +0000</pubDate>
		<dc:creator>Étienne Pouliot</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Zimbra]]></category>

		<guid isPermaLink="false">http://www.defitek.com/blog/?p=45</guid>
		<description><![CDATA[
Le filtre antispam inclus dans Zimbra est bon, mais pas excellent.  Si vous voulez vraiment réduire fortement la quantité de spam dans vos boîtes aux lettres, voici ce que je recommande de faire :
DSPAM:
Premièrement, il faut activer DSPAM.  Il est important de noter que celui à été exclus de l&#8217;installation par défaut de [...]]]></description>
		<wfw:commentRss>http://www.defitek.com/blog/2009/08/03/ameliorer-le-filtre-anti-spam-dans-zimbra/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Tester si un port UDP est ouvert</title>
		<link>http://www.defitek.com/blog/2009/07/07/tester-si-un-port-udp-est-ouvert/</link>
		<comments>http://www.defitek.com/blog/2009/07/07/tester-si-un-port-udp-est-ouvert/#comments</comments>
		<pubDate>Wed, 08 Jul 2009 01:13:54 +0000</pubDate>
		<dc:creator>Étienne Pouliot</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[Trucs]]></category>

		<guid isPermaLink="false">http://www.defitek.com/blog/?p=198</guid>
		<description><![CDATA[Il est bien connu et facile de tester la connectivité d&#8217;un port TCP.  Par exemple, pour vérifier si le serveur courrier.example.com accepte les connections SMTP il suffit de faire : #telnet courrier.example.com 25
Si rien ne se passe, le port est fermé.  Si par contre des caractères s&#8217;affichent, le port est ouvert.
Mais que se passe-t-il si [...]]]></description>
		<wfw:commentRss>http://www.defitek.com/blog/2009/07/07/tester-si-un-port-udp-est-ouvert/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
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