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	<title>Infusion Technology Solutions Blog&#187; unix</title>
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	<link>http://blog.infusiontechsolutions.com</link>
	<description>Technology related solutions, tips, tricks, and other interesting topics</description>
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		<title>Sendmail Hangs When Starting Up or When Using It with PHP</title>
		<link>http://blog.infusiontechsolutions.com/sendmail-hangs-when-starting-up-or-when-using-it-with-php/</link>
		<comments>http://blog.infusiontechsolutions.com/sendmail-hangs-when-starting-up-or-when-using-it-with-php/#comments</comments>
		<pubDate>Mon, 02 Mar 2009 04:35:11 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[General IT Info]]></category>
		<category><![CDATA[boot]]></category>
		<category><![CDATA[centos]]></category>
		<category><![CDATA[dns lookup]]></category>
		<category><![CDATA[hang]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[php script]]></category>
		<category><![CDATA[redhat]]></category>
		<category><![CDATA[rhel]]></category>
		<category><![CDATA[sendmail]]></category>
		<category><![CDATA[unix]]></category>

		<guid isPermaLink="false">http://blog.infusiontechsolutions.com/?p=239</guid>
		<description><![CDATA[If you notice Sendmail hanging up for many minutes while starting up at boot or while being used such as sending an email from a PHP script, it is probably a DNS lookup problem. Ensure your /etc/hosts file has the appropriate entries for your server that sendmail is running on:
127.0.0.1      [...]]]></description>
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		<item>
		<title>How to Search for an Exact String With GREP</title>
		<link>http://blog.infusiontechsolutions.com/how-to-search-for-an-exact-string-with-grep/</link>
		<comments>http://blog.infusiontechsolutions.com/how-to-search-for-an-exact-string-with-grep/#comments</comments>
		<pubDate>Mon, 19 Jan 2009 03:04:18 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[General IT Info]]></category>
		<category><![CDATA[command line switch]]></category>
		<category><![CDATA[exact string]]></category>
		<category><![CDATA[grep]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[maccommand cat]]></category>
		<category><![CDATA[operating system]]></category>
		<category><![CDATA[os x]]></category>
		<category><![CDATA[programs]]></category>
		<category><![CDATA[string username]]></category>
		<category><![CDATA[substring]]></category>
		<category><![CDATA[systems administration]]></category>
		<category><![CDATA[unix]]></category>

		<guid isPermaLink="false">http://blog.infusiontechsolutions.com/?p=193</guid>
		<description><![CDATA[GREP is one of those simple UNIX programs that you can&#8217;t live without if you do any kind of systems administration of an operating system based on UNIX such as Linux or Mac OS X. If you need to search for an exact string and NOT just a substring, all you have to do is [...]]]></description>
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		</item>
		<item>
		<title>How to Recursively chmod Directories or Files</title>
		<link>http://blog.infusiontechsolutions.com/how-to-recursively-chmod-directories-or-files/</link>
		<comments>http://blog.infusiontechsolutions.com/how-to-recursively-chmod-directories-or-files/#comments</comments>
		<pubDate>Fri, 06 Jun 2008 15:33:43 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[General IT Info]]></category>
		<category><![CDATA[chmod]]></category>
		<category><![CDATA[exec]]></category>
		<category><![CDATA[file extension]]></category>
		<category><![CDATA[find]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[maxosx]]></category>
		<category><![CDATA[osx]]></category>
		<category><![CDATA[php files]]></category>
		<category><![CDATA[unix]]></category>

		<guid isPermaLink="false">http://blog.infusiontechsolutions.com/?p=157</guid>
		<description><![CDATA[Command to recursively chmod only directories:
find . -type d -exec chmod 755 {} \;
How to recursively set the execute bit on every directory:
chmod -R a+X *
The +X flag sets the execute bit on directories only
How to recursively chmod only files:
find . -type f -exec chmod 644 {} \;
How to recursively chmod only PHP files (only [...]]]></description>
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		<title>How to Determine What Program Is Listening on a Port in OS X or Linux</title>
		<link>http://blog.infusiontechsolutions.com/how-to-determine-what-program-is-listening-on-a-port-in-os-x-or-linux/</link>
		<comments>http://blog.infusiontechsolutions.com/how-to-determine-what-program-is-listening-on-a-port-in-os-x-or-linux/#comments</comments>
		<pubDate>Thu, 13 Mar 2008 02:18:40 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Information Security]]></category>
		<category><![CDATA[10.4]]></category>
		<category><![CDATA[10.5]]></category>
		<category><![CDATA[forensics]]></category>
		<category><![CDATA[leopard]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[lsof]]></category>
		<category><![CDATA[macosx]]></category>
		<category><![CDATA[network]]></category>
		<category><![CDATA[os x]]></category>
		<category><![CDATA[osx]]></category>
		<category><![CDATA[tiger]]></category>
		<category><![CDATA[unix]]></category>

		<guid isPermaLink="false">http://blog.infusiontechsolutions.com/how-to-determine-what-program-is-listening-on-a-port-in-os-x-or-linux/</guid>
		<description><![CDATA[To determine what daemon or program is listening on a port in Linux or OS X you can use the lsof command. You need to run the command while logged in as root or if your operating system supports sudo like OS X, you can use that.
Command to run in Linux:
lsof -i -nP
Command to run [...]]]></description>
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