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	<title>blog.erben.sk</title>
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	<link>http://blog.erben.sk</link>
	<description>Just another sysadmin blog</description>
	<lastBuildDate>Fri, 30 Dec 2011 09:49:05 +0000</lastBuildDate>
	<language>en</language>
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		<title>Convert HD wtv file to play on Samsung TV</title>
		<link>http://blog.erben.sk/2011/12/30/convert-hd-wtv-file-to-play-on-samsung-tv/</link>
		<comments>http://blog.erben.sk/2011/12/30/convert-hd-wtv-file-to-play-on-samsung-tv/#comments</comments>
		<pubDate>Fri, 30 Dec 2011 09:25:40 +0000</pubDate>
		<dc:creator>iwik</dc:creator>
				<category><![CDATA[uncategorized]]></category>

		<guid isPermaLink="false">http://blog.erben.sk/?p=357</guid>
		<description><![CDATA[I have been searching log time for tool which can convert HD Windows Media Center recordings (wtv format) to some playable format for Samsung TVs, which are unable to play WTV recordings. I want to do it without re-encoding original wtv file. Finally I have found great tool remuxTool (v1.2.5). It's java application, it has [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Fighting againts SPAM &#8211; postfwd</title>
		<link>http://blog.erben.sk/2011/08/19/fighting-againts-spam-postfwd/</link>
		<comments>http://blog.erben.sk/2011/08/19/fighting-againts-spam-postfwd/#comments</comments>
		<pubDate>Fri, 19 Aug 2011 11:51:37 +0000</pubDate>
		<dc:creator>iwik</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[postfix]]></category>

		<guid isPermaLink="false">http://blog.erben.sk/?p=302</guid>
		<description><![CDATA[Postfwd is Postfix firewall daemon. Here is my config, which is based on postfwd example config, but I have included various rate limits. It has been used with postfwd version 1.20 on VNET mailservers. # Whitelists (no limits) &#038;&#038;VNET_WHITELIST { \ client_address=127.0.0.1 ; \ client_address=10.0.0.0/8 ; \ client_address=81.89.63.68 ; \ client_address=81.89.63.69 ; \ client_address=217.73.28.0/24 ; [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Install conntrack tools on Centos 5</title>
		<link>http://blog.erben.sk/2011/07/20/install-conntrack-tools-on-centos-5/</link>
		<comments>http://blog.erben.sk/2011/07/20/install-conntrack-tools-on-centos-5/#comments</comments>
		<pubDate>Wed, 20 Jul 2011 08:54:20 +0000</pubDate>
		<dc:creator>iwik</dc:creator>
				<category><![CDATA[centos]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://blog.erben.sk/?p=334</guid>
		<description><![CDATA[Conntrack tools allows manipulating linux connection tracking table. Command conntrack is useful for deleting conntrack entries, but it is not included by default in RHEL/Centos. After while of googling, I have found required library and conntrack tools in centos.alt.ru repository and installed them by running: rpm -Uvh http://centos.alt.ru/repository/centos/5/x86_64/libnfnetlink-1.0.0-1.el5.x86_64.rpm rpm -Uvh http://centos.alt.ru/repository/centos/5/x86_64/libnetfilter_conntrack-0.9.1-1.el5.x86_64.rpm rpm -Uvh http://centos.alt.ru/repository/centos/5/x86_64/conntrack-tools-1.0.0-2.el5.x86_64.rpm]]></description>
		<wfw:commentRss>http://blog.erben.sk/2011/07/20/install-conntrack-tools-on-centos-5/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Dotdeb packages unattended upgrade</title>
		<link>http://blog.erben.sk/2011/04/07/dotdeb-packages-unattended-upgrade/</link>
		<comments>http://blog.erben.sk/2011/04/07/dotdeb-packages-unattended-upgrade/#comments</comments>
		<pubDate>Thu, 07 Apr 2011 07:39:16 +0000</pubDate>
		<dc:creator>iwik</dc:creator>
				<category><![CDATA[debian]]></category>

		<guid isPermaLink="false">http://blog.erben.sk/?p=309</guid>
		<description><![CDATA[Unattended upgrades in Debian will not upgrade packages from third-party repositories (for example dotdeb.org) by default. It can be easily enabled editing /etc/apt/apt.conf.d/50unattended-upgrades. /etc/apt/apt.conf.d/50unattended-upgrades Unattended-Upgrade::Allowed-Origins { "${distro_id} stable"; "${distro_id} ${distro_codename}-security"; "${distro_id} ${distro_codename}-updates"; "packages.dotdeb.org stable"; // "${distro_id} ${distro_codename}-proposed-updates"; }; &#160; See this page how to enable other repositories.]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Catching unsolicited bounces (backscatter) with SpamAssassin</title>
		<link>http://blog.erben.sk/2011/03/29/catching-unsolicited-bounces-backscatter-with-spamassassin/</link>
		<comments>http://blog.erben.sk/2011/03/29/catching-unsolicited-bounces-backscatter-with-spamassassin/#comments</comments>
		<pubDate>Tue, 29 Mar 2011 20:55:44 +0000</pubDate>
		<dc:creator>iwik</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[postfix]]></category>

		<guid isPermaLink="false">http://blog.erben.sk/?p=304</guid>
		<description><![CDATA[From http://wiki.apache.org/spamassassin/VBounceRuleset The “Virus Bounce Ruleset” is a SpamAssassin ruleset to catch “backscatter”. Backscatter is mail you didn’t ask to receive, generated by legitimate, non-spam-sending systems in response to spam. Continue reading original article at http://technotes.trostfamily.org/?p=54]]></description>
		<wfw:commentRss>http://blog.erben.sk/2011/03/29/catching-unsolicited-bounces-backscatter-with-spamassassin/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Track Dovecot User Last Login Date and IP Address</title>
		<link>http://blog.erben.sk/2011/02/09/track-dovecot-user-last-login-date-and-ip-address/</link>
		<comments>http://blog.erben.sk/2011/02/09/track-dovecot-user-last-login-date-and-ip-address/#comments</comments>
		<pubDate>Wed, 09 Feb 2011 12:53:00 +0000</pubDate>
		<dc:creator>iwik</dc:creator>
				<category><![CDATA[dovecot]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://blog.erben.sk/?p=278</guid>
		<description><![CDATA[Idea how to implement tracking last user pop3 or imap login date using dovecot is described in Dovecot Wiki. I have found complete solution, include script here. My implementation to ispcp: ALTER TABLE `mail_users` ADD `last_login_date` DATETIME NULL COMMENT 'last login date', ADD `last_login_ip` VARCHAR( 39 ) NULL COMMENT 'last login ip', ADD `last_login_proto` CHAR( [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Server side mail filtering with dovecot and squirrelmail</title>
		<link>http://blog.erben.sk/2011/01/23/server-side-mail-filtering-with-dovecot-and-squirrelmail/</link>
		<comments>http://blog.erben.sk/2011/01/23/server-side-mail-filtering-with-dovecot-and-squirrelmail/#comments</comments>
		<pubDate>Sun, 23 Jan 2011 13:05:23 +0000</pubDate>
		<dc:creator>iwik</dc:creator>
				<category><![CDATA[debian]]></category>
		<category><![CDATA[dovecot]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://blog.erben.sk/?p=266</guid>
		<description><![CDATA[Maybe you know, maybe not, but pre-build Debian Lenny packages of dovecot from backports has been built with sieve plugin. Sieve plugin provides mail filtering facilities at time of final message delivery using the Sieve language. This filters can be set by mail users from their webmail - squirrelmail with avelsieve plugin. My setup was [...]]]></description>
		<wfw:commentRss>http://blog.erben.sk/2011/01/23/server-side-mail-filtering-with-dovecot-and-squirrelmail/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Restreaming from MPEG2 to Windows Media Player using VLC</title>
		<link>http://blog.erben.sk/2011/01/14/rstreaming-from-mpeg2-to-windows-media-player-using-vlc/</link>
		<comments>http://blog.erben.sk/2011/01/14/rstreaming-from-mpeg2-to-windows-media-player-using-vlc/#comments</comments>
		<pubDate>Fri, 14 Jan 2011 08:35:54 +0000</pubDate>
		<dc:creator>iwik</dc:creator>
				<category><![CDATA[uncategorized]]></category>

		<guid isPermaLink="false">http://blog.erben.sk/?p=260</guid>
		<description><![CDATA[Getstream is used to stream from dvb-t channels to multicast. One of mulicast stream is re-streamed to Windows Media using this script: #!/bin/bash SIZE=2097152 ulimit -m $SIZE -v $SIZE -d $SIZE while true; do su nobody -c 'cvlc -v udp://@233.1.1.1:1234 --sout "#transcode{deinterlace,width=320,height=300,vcodec=DIV3,vb=1024,cbr,acodec=wma2,ab=128,channels=1,samplerate=44100,udp-caching=8000,mux-caching=10000}:std{access=mmsh,mux=asfh,dst=0.0.0.0:1234}"' done Because of memleaks in VLC, crontab contains 0 * * * * [...]]]></description>
		<wfw:commentRss>http://blog.erben.sk/2011/01/14/rstreaming-from-mpeg2-to-windows-media-player-using-vlc/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Digmia Centos repository</title>
		<link>http://blog.erben.sk/2010/11/05/digmia-centos-repository/</link>
		<comments>http://blog.erben.sk/2010/11/05/digmia-centos-repository/#comments</comments>
		<pubDate>Fri, 05 Nov 2010 14:56:02 +0000</pubDate>
		<dc:creator>iwik</dc:creator>
				<category><![CDATA[centos]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://blog.erben.sk/?p=255</guid>
		<description><![CDATA[Digmia Enterprise Linux Source is repository with many interesting and actual packages for Centos (RHEL). It contais for example mysql-5.0.84-2.el5.x86_64.rpm, php-5.2.10-2.el5.x86_64.rpm, zabbix-1.8.3-2.el5.x86_64.rpm, postgresql-8.2.14-1.el5.x86_64.rpm and many more.]]></description>
		<wfw:commentRss>http://blog.erben.sk/2010/11/05/digmia-centos-repository/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>Slow Drupal on NFS</title>
		<link>http://blog.erben.sk/2010/11/04/slow-drupal-on-nfs/</link>
		<comments>http://blog.erben.sk/2010/11/04/slow-drupal-on-nfs/#comments</comments>
		<pubDate>Thu, 04 Nov 2010 09:22:37 +0000</pubDate>
		<dc:creator>iwik</dc:creator>
				<category><![CDATA[storage]]></category>

		<guid isPermaLink="false">http://blog.erben.sk/?p=249</guid>
		<description><![CDATA[Drupal includes many files. When DocumentRoot is hosted on NFS, include calls are slow, because too many lstat() calls which are slow on NFS. Solution is to increase realpath_cache_size in php.ini. ; ...php.ini... ; Determines the size of the realpath cache to be used by PHP. This value should ; be increased on systems where [...]]]></description>
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		<slash:comments>0</slash:comments>
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