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	<title>Mochabomb &#187; Linux</title>
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	<link>http://mochabomb.com/blog</link>
	<description>Web Design and Technical notes</description>
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		<item>
		<title>Parallels Bug &#8211; root login reset when change hostname</title>
		<link>http://mochabomb.com/blog/parallels-bug-root-login-reset-when-change-hostname/</link>
		<comments>http://mochabomb.com/blog/parallels-bug-root-login-reset-when-change-hostname/#comments</comments>
		<pubDate>Tue, 16 Jun 2009 05:32:57 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[VPS]]></category>
		<category><![CDATA[hosting]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/?p=225</guid>
		<description><![CDATA[Sent this to Parallels yesterday &#8211; hope they fix it.. ================================== Hi, This weekend after 5 months accessed the Parallels control panel and &#8220;corrected&#8221; my server from the initial hostname, and did other maint and stumbled onto a bug, well what seems to me a bug. It can be replicated like this: For purposes of [...]]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/parallels-bug-root-login-reset-when-change-hostname/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Drop Bogon IP&#8217;s quickly and easily</title>
		<link>http://mochabomb.com/blog/drop-bogon-ips-daily/</link>
		<comments>http://mochabomb.com/blog/drop-bogon-ips-daily/#comments</comments>
		<pubDate>Thu, 16 Oct 2008 02:05:26 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Security]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/?p=186</guid>
		<description><![CDATA[Block Bogon IP's quickly and easily]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/drop-bogon-ips-daily/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Cron errors &#8211; cron&#8217;s not running etc.. (CentOS 5.2)</title>
		<link>http://mochabomb.com/blog/cron-errors-crons-not-running-etc-centos-52/</link>
		<comments>http://mochabomb.com/blog/cron-errors-crons-not-running-etc-centos-52/#comments</comments>
		<pubDate>Sun, 28 Sep 2008 07:26:23 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/?p=182</guid>
		<description><![CDATA[Had these errors recently on the exodus and genesis servers &#8211; been a lot of recent work on these&#8230; pam_access(crond:account): access denied for user `someuser' from `cron' crond[9985]: CRON (someuser) ERROR: failed to open PAM security session: Success crond[9985]: CRON (someuser) ERROR: cannot set security context This link solved it: http://hostechs.com/2008/07/cron-error-failed-to-open-pam-security-session/ * /etc/cron.allow &#8211; add [...]]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/cron-errors-crons-not-running-etc-centos-52/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Dual NIC setup with CentOS &#8211; public and local interfaces</title>
		<link>http://mochabomb.com/blog/dual-nic-setup-with-centos/</link>
		<comments>http://mochabomb.com/blog/dual-nic-setup-with-centos/#comments</comments>
		<pubDate>Wed, 07 May 2008 21:20:13 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Cygwin Linux]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Subversion]]></category>
		<category><![CDATA[centos]]></category>
		<category><![CDATA[network]]></category>
		<category><![CDATA[nics]]></category>
		<category><![CDATA[routing]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/?p=169</guid>
		<description><![CDATA[Ever had dual NICs fighting to be king of the hill?  This will help settle the battle once and for all.
]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/dual-nic-setup-with-centos/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Script to monitor Linux server processes</title>
		<link>http://mochabomb.com/blog/script-to-monitor-linux-server-processes/</link>
		<comments>http://mochabomb.com/blog/script-to-monitor-linux-server-processes/#comments</comments>
		<pubDate>Tue, 06 May 2008 18:52:14 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/?p=167</guid>
		<description><![CDATA[Ever had a process die and not know it until trying to use it? Last year dovecot was dying and running &#8220;service dovecot status&#8221; shows that &#8211; this script was born to address this for many processes. Its a work in progress, and please share any ways to make it better. Cron this to run [...]]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/script-to-monitor-linux-server-processes/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Fail2Ban script to verify configuration</title>
		<link>http://mochabomb.com/blog/fail2ban-script-to-verify-configuration/</link>
		<comments>http://mochabomb.com/blog/fail2ban-script-to-verify-configuration/#comments</comments>
		<pubDate>Fri, 11 Jan 2008 12:09:13 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[centos]]></category>
		<category><![CDATA[exploits]]></category>
		<category><![CDATA[fail2ban]]></category>
		<category><![CDATA[hackers]]></category>
		<category><![CDATA[iptables]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/fail2ban-script-to-verify-configuration/</guid>
		<description><![CDATA[From the comments in the script: &#8220;Created this script after I had several misconfigurations across many servers &#8211; this will use values from the config files for testing &#8211; a wrapper for fail2ban-regex and eliminating late-night, low-on-caffeine human errors in testing your config. Could also be used: after an update to verify the configuration, run [...]]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/fail2ban-script-to-verify-configuration/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>How to mess up your Xen guest (make it nearly useless)</title>
		<link>http://mochabomb.com/blog/how-to-mess-up-your-xen-install-make-it-nearly-useless/</link>
		<comments>http://mochabomb.com/blog/how-to-mess-up-your-xen-install-make-it-nearly-useless/#comments</comments>
		<pubDate>Tue, 08 Jan 2008 12:27:48 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Xen]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/how-to-mess-up-your-xen-install-make-it-nearly-useless/</guid>
		<description><![CDATA[I made some changes to a VBD based Xen server &#8211; here&#8217;s what not to do: Use a password in the httpd cert &#8211; if I ran xm console server I did not see that prompt &#8211; needed to use the vnc/gui to see this &#8211; entered it and got closer Spaces in device names [...]]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/how-to-mess-up-your-xen-install-make-it-nearly-useless/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>PHP memory limit results in blank pages</title>
		<link>http://mochabomb.com/blog/php-memory-limit-results-in-blank-pages/</link>
		<comments>http://mochabomb.com/blog/php-memory-limit-results-in-blank-pages/#comments</comments>
		<pubDate>Mon, 05 Nov 2007 21:47:32 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Apache]]></category>
		<category><![CDATA[Drupal]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[PHP]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/php-memory-limit-results-in-blank-pages/</guid>
		<description><![CDATA[From a Drupal install, got a blank page when logging in&#8230;. [Mon Nov 05 13:20:36 2007] [error] [client 71.139.36.123] PHP Fatal error: Allowed memory size of 16777216 bytes exhausted (tried to allocate 92160 bytes) in /home/someuser/public_html/modules/event/event_timezones.inc on line 331, referer: http://example.com/ Up the memory in php.ini a few MB, restart httpd and all was working..]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/php-memory-limit-results-in-blank-pages/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>DNS Troubleshooting</title>
		<link>http://mochabomb.com/blog/dns-troubleshooting/</link>
		<comments>http://mochabomb.com/blog/dns-troubleshooting/#comments</comments>
		<pubDate>Thu, 01 Nov 2007 12:09:06 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/dns-troubleshooting/</guid>
		<description><![CDATA[Yeah, its 5am &#8211; got clients that rely on me to get things done&#8230; DNS: Best free tool to use: http://www.dns.lu/en/EN-LUTestNoms.php If seeing &#8220;not advertising as nameserver&#8221;, that means in the zone file that server is not listed: mochabomb.com. IN NS ns1.mochabomb.com. mochabomb.com. IN NS ns2.mochabomb.com. mochabomb.com. IN NS ns4.mochabomb.com. .. for the server it [...]]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/dns-troubleshooting/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Quick NFS Setup Notes</title>
		<link>http://mochabomb.com/blog/quick-nfs-setup-notes/</link>
		<comments>http://mochabomb.com/blog/quick-nfs-setup-notes/#comments</comments>
		<pubDate>Sat, 27 Oct 2007 10:39:20 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/quick-nfs-setup-notes/</guid>
		<description><![CDATA[Quick NFS Setup Notes: Server with files to be shared: # service portmap start; service nfslock start; service nfs start # echo " /home/sharedfiles (ro,sync) &#62;&#62; /etc/exports Server that accesses these files Edit /etc/vfstab server:/share/adir /opt/adir nfs ro,sync 0 0 Add a macro.NFS to /etc/shorewall: ############################################################################### #ACTION SOURCE DEST PROTO DEST SOURCE ORIGINAL RATE USER/ [...]]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/quick-nfs-setup-notes/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>NFS with Shorewall &amp; SELinux &#8211; CentOS</title>
		<link>http://mochabomb.com/blog/nfs-with-shorewall-centos/</link>
		<comments>http://mochabomb.com/blog/nfs-with-shorewall-centos/#comments</comments>
		<pubDate>Mon, 22 Oct 2007 08:01:13 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Networking]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/nfs-with-shorewall-centos/</guid>
		<description><![CDATA[These are my notes from what I got working for a CentOS NFS with Shorewall and SELinux. Here are the following: * Server called &#8220;server&#8221; (192.168.1.10) exporting /opt/goodies for machine &#8220;client&#8221; (192.168.1.15) to use in /usr/local/goodies * Both are running *nix with Shorewall firewall * This config works for CentOS &#8211; others may need tweaking. [...]]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/nfs-with-shorewall-centos/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Squirrelmail &#8211; Login problems because of password aging</title>
		<link>http://mochabomb.com/blog/squirrelmail-login-problems-because-of-password-aging/</link>
		<comments>http://mochabomb.com/blog/squirrelmail-login-problems-because-of-password-aging/#comments</comments>
		<pubDate>Mon, 10 Sep 2007 09:38:55 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/squirrelmail-login-problems-because-of-password-aging/</guid>
		<description><![CDATA[I was trying to login to Squirrelmail (hey I hear gripes its old, ugly, not web 2.0 &#8211; but it packs the punch of a 1972 Dodge Roadrunner &#8211; does only one or two well &#8211; very well). Anyhow error message was: Error username or password incorrect Error logs &#8211; Aborted login Guess what &#8211; [...]]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/squirrelmail-login-problems-because-of-password-aging/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Do subnet math in your head</title>
		<link>http://mochabomb.com/blog/subnet-math/</link>
		<comments>http://mochabomb.com/blog/subnet-math/#comments</comments>
		<pubDate>Thu, 12 Apr 2007 08:40:40 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Unix]]></category>
		<category><![CDATA[Windows]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/archives/114</guid>
		<description><![CDATA[Once you can do subnet math in your head, then for a good part of scenarios you'll be set - and use it a bit and you'll remember how at 3am during an upgrade or install...]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/subnet-math/feed/</wfw:commentRss>
		<slash:comments>15</slash:comments>
		</item>
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