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<channel>
	<title>Mochabomb &#187; Linux</title>
	<atom:link href="http://mochabomb.com/blog/category/linux/feed/" rel="self" type="application/rss+xml" />
	<link>http://mochabomb.com/blog</link>
	<description>Web Design and Technical notes</description>
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		<item>
		<title>servercheck &#8211; keep processes running</title>
		<link>http://mochabomb.com/blog/servercheck-keep-processes-running/</link>
		<comments>http://mochabomb.com/blog/servercheck-keep-processes-running/#comments</comments>
		<pubDate>Tue, 09 Nov 2010 07:59:30 +0000</pubDate>
		<dc:creator>gregg</dc:creator>
				<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://mochabomb.com/blog/?p=562</guid>
		<description><![CDATA[Its a process/server babysitter that will manage, monitor and restart processes as needed to keep things running. Alerting has been configured to not be too annoying, else the logging will enough information to go back later and retrace steps. I use this on my cpanel server &#8211; processes die and need restart occasionally, but I [...]]]></description>
		<wfw:commentRss>http://mochabomb.com/blog/servercheck-keep-processes-running/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<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[hosting]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[VPS]]></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>17</slash:comments>
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