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	<title>MNX Solutions &#187; Linux</title>
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	<link>http://www.mnxsolutions.com</link>
	<description>Linux Server Management, Web Server Management &#38; Managed IT Services</description>
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		<item>
		<title>Two Factor SSH Authentication with Duo Security</title>
		<link>http://www.mnxsolutions.com/linux/two-factor-ssh-authentication-with-duo-security.html</link>
		<comments>http://www.mnxsolutions.com/linux/two-factor-ssh-authentication-with-duo-security.html#comments</comments>
		<pubDate>Fri, 13 May 2011 15:01:43 +0000</pubDate>
		<dc:creator>mstanislav</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[puppet]]></category>
		<category><![CDATA[Security]]></category>

		<guid isPermaLink="false">http://www.mnxsolutions.com/?p=1379</guid>
		<description><![CDATA[As is probably obvious from our blog posts on Yubikey SSH/WordPress two factor authentication and Google Authenticator SSH two factor authentication, we at MNX Solutions are big proponents of multi-factor authentication schemes to add security to infrastructure. On the other side of things, though, we have to be agile system administrators in order to offer [...]]]></description>
		<wfw:commentRss>http://www.mnxsolutions.com/linux/two-factor-ssh-authentication-with-duo-security.html/feed</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Automatically purge old configuration from Nagios deployed by Puppet</title>
		<link>http://www.mnxsolutions.com/linux/automatically-purge-old-configuration-from-nagios-deployed-by-puppet.html</link>
		<comments>http://www.mnxsolutions.com/linux/automatically-purge-old-configuration-from-nagios-deployed-by-puppet.html#comments</comments>
		<pubDate>Wed, 16 Feb 2011 21:30:53 +0000</pubDate>
		<dc:creator>mstanislav</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[puppet]]></category>
		<category><![CDATA[Quick Tip]]></category>

		<guid isPermaLink="false">http://www.mnxsolutions.com/?p=1252</guid>
		<description><![CDATA[A problem that Puppet administrators have likely noticed when deploying its built-in Nagios functionality (called Naginator) is that creating configuration is very easy but &#8216;cleaning&#8217; old configuration isn&#8217;t as straight-forward. If you are like me, you&#8217;d delete the affected file(s) that had cruft and let Puppet re-build the service configuration without the old services or [...]]]></description>
		<wfw:commentRss>http://www.mnxsolutions.com/linux/automatically-purge-old-configuration-from-nagios-deployed-by-puppet.html/feed</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Amazon EC2 instance not starting</title>
		<link>http://www.mnxsolutions.com/linux/amazon-ec2-instance-not-starting.html</link>
		<comments>http://www.mnxsolutions.com/linux/amazon-ec2-instance-not-starting.html#comments</comments>
		<pubDate>Sun, 30 Jan 2011 01:43:46 +0000</pubDate>
		<dc:creator>nwilkens</dc:creator>
				<category><![CDATA[ec2]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Amazon]]></category>
		<category><![CDATA[AWS]]></category>
		<category><![CDATA[EC2]]></category>
		<category><![CDATA[t1.micro]]></category>

		<guid isPermaLink="false">http://www.mnxsolutions.com/?p=1231</guid>
		<description><![CDATA[While working on a failed EC2 (ebs backed) instance recently, we were presented with an instance that would not start after reboot or stop/start. tl;dr: Create a snapshot of the existing EBS vol; remount and edit etc/fstab; re-attach and start the instance. The only symptom was in the console log: $ ec2-get-console-output i-nnnnnnnn init: console-setup [...]]]></description>
		<wfw:commentRss>http://www.mnxsolutions.com/linux/amazon-ec2-instance-not-starting.html/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>ProFTPD Remote Code Execution Vulnerability and exploit</title>
		<link>http://www.mnxsolutions.com/linux/proftpd-remote-code-execution-vulnerability-and-exploit.html</link>
		<comments>http://www.mnxsolutions.com/linux/proftpd-remote-code-execution-vulnerability-and-exploit.html#comments</comments>
		<pubDate>Mon, 08 Nov 2010 00:46:18 +0000</pubDate>
		<dc:creator>nwilkens</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Plesk]]></category>
		<category><![CDATA[Security]]></category>

		<guid isPermaLink="false">http://www.mnxsolutions.com/?p=1050</guid>
		<description><![CDATA[A flaw in the popular ProFTPD FTP server potentially allows unauthenticated attackers to compromise a server. The problem is caused by a buffer overflow in the pr_netio_telnet_gets() function for evaluating TELNET IAC sequences. ProFTPD bug report: http://bugs.proftpd.org/show_bug.cgi?id=3521 All MNX Solutions Linux Server Management customers have been patched. Plesk 9.5 and 10 include this vulnerability. ALL [...]]]></description>
		<wfw:commentRss>http://www.mnxsolutions.com/linux/proftpd-remote-code-execution-vulnerability-and-exploit.html/feed</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Server Management Best Practices &#8211; Firewall</title>
		<link>http://www.mnxsolutions.com/linux/server-management-best-practices-firewall.html</link>
		<comments>http://www.mnxsolutions.com/linux/server-management-best-practices-firewall.html#comments</comments>
		<pubDate>Tue, 14 Sep 2010 17:40:27 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Quick Tip]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[Firewall]]></category>

		<guid isPermaLink="false">http://www.mnxsolutions.com/?p=791</guid>
		<description><![CDATA[Every week at MNX solutions we handle issues from server security and patch management to system recovery and performance tuning. In this blog series, we will review a number of firewall best practices that you can implement today on your server infrastructure. First things first, do you utilize a firewall on your server? If your [...]]]></description>
		<wfw:commentRss>http://www.mnxsolutions.com/linux/server-management-best-practices-firewall.html/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>bash_history date</title>
		<link>http://www.mnxsolutions.com/linux/on-a-date-with-bash_history.html</link>
		<comments>http://www.mnxsolutions.com/linux/on-a-date-with-bash_history.html#comments</comments>
		<pubDate>Sun, 11 Jul 2010 17:32:27 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Quick Tip]]></category>

		<guid isPermaLink="false">http://www.mnxsolutions.com/?p=769</guid>
		<description><![CDATA[Bash_history date Ever try to determine what caused the latest outage by trying to determined when a command was last executed? Look in your .bash_history (if you are running a bash shell), and you will see your recently executed commands. However, it is generally impossible to tell when the command was executed. Part of our [...]]]></description>
		<wfw:commentRss>http://www.mnxsolutions.com/linux/on-a-date-with-bash_history.html/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>yum python logger error bad marshal data</title>
		<link>http://www.mnxsolutions.com/linux/yum-python-logger-error-bad-marshal-data.html</link>
		<comments>http://www.mnxsolutions.com/linux/yum-python-logger-error-bad-marshal-data.html#comments</comments>
		<pubDate>Wed, 24 Mar 2010 16:11:28 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[bug]]></category>
		<category><![CDATA[logger]]></category>
		<category><![CDATA[RHEL]]></category>
		<category><![CDATA[yum]]></category>

		<guid isPermaLink="false">http://www.mnxsolutions.com/?p=772</guid>
		<description><![CDATA[Interesting bug encountered today after a fresh install of RHEL5 from 5.3 media. When attempting to run the command, &#8216;yum&#8217;.  The following error was presented: # yum Traceback (most recent call last): File "/usr/bin/yum", line 4, in ? import yum File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 30, in ? import logging ValueError: bad marshal data To correct this [...]]]></description>
		<wfw:commentRss>http://www.mnxsolutions.com/linux/yum-python-logger-error-bad-marshal-data.html/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>CentOS5 and PHP52 upgrade rpms</title>
		<link>http://www.mnxsolutions.com/apache/centos5-and-php52-upgrade-rpms.html</link>
		<comments>http://www.mnxsolutions.com/apache/centos5-and-php52-upgrade-rpms.html#comments</comments>
		<pubDate>Fri, 29 Jan 2010 16:48:07 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Apache]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Mysql]]></category>
		<category><![CDATA[PHP]]></category>
		<category><![CDATA[RHEL]]></category>
		<category><![CDATA[rpm]]></category>
		<category><![CDATA[upgrade]]></category>

		<guid isPermaLink="false">http://www.mnxsolutions.com/?p=736</guid>
		<description><![CDATA[We encounter many scenarios where using the latest version of PHP is required. No great way, aside from downloading the PHP5 source and compiling, is available. That is, until you discover then IUS Community Project. What is the IUS Community Project? The IUS Community Project is an effort to package rpms of the latest stable [...]]]></description>
		<wfw:commentRss>http://www.mnxsolutions.com/apache/centos5-and-php52-upgrade-rpms.html/feed</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Upgrade Urchin5 from RHEL3 to RHEL5</title>
		<link>http://www.mnxsolutions.com/linux/upgrade-urchin5-from-rhel3-to-rhel5.html</link>
		<comments>http://www.mnxsolutions.com/linux/upgrade-urchin5-from-rhel3-to-rhel5.html#comments</comments>
		<pubDate>Mon, 14 Dec 2009 20:57:36 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://www.mnxsolutions.com/blog/?p=42</guid>
		<description><![CDATA[Just a quick note about upgrading the operating system, or migrating your Urchin 5 installation from RedHat 3 -&#62; RedHat 5 (or CentOS5). You think you&#8217;ve done everything properly, and you probably did.  But you are getting some DNS resolution error messages like: Geo-Update 5.7.02 (redhat_ent3) starting: 20091214 12:44:13 ------------------------------------------------------ Local Domain Database Version: 1203444941 [...]]]></description>
		<wfw:commentRss>http://www.mnxsolutions.com/linux/upgrade-urchin5-from-rhel3-to-rhel5.html/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Installing IonCube in cPanel</title>
		<link>http://www.mnxsolutions.com/cpanel/installing-ioncube-in-cpanel-2.html</link>
		<comments>http://www.mnxsolutions.com/cpanel/installing-ioncube-in-cpanel-2.html#comments</comments>
		<pubDate>Thu, 21 May 2009 16:45:04 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[cPanel]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[ioncube]]></category>

		<guid isPermaLink="false">http://www.mnxsolutions.com/blog/linux/installing-ioncube-in-cpanel.html</guid>
		<description><![CDATA[To install IonCube loading in cPanel, run the following as root: # /scripts/phpextensionmgr install IonCubeLoader You can then check if ionCube was installed by running: # php -v PHP 5.2.9 (cli) (built: May  21 2009 11:27:40) Copyright (c) 1997-2009 The PHP Group Zend Engine v2.2.0, Copyright (c) 1998-2008 Zend Technologies with eAccelerator v0.9.5.3, Copyright (c) [...]]]></description>
		<wfw:commentRss>http://www.mnxsolutions.com/cpanel/installing-ioncube-in-cpanel-2.html/feed</wfw:commentRss>
		<slash:comments>1</slash:comments>
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