Category Archives: Linux

Converting AIX Print Queues to Linux

Posted on February 26, 2010 by Judson Bishop

I spent the last week working on a project to convert all of the forms printing at the Circus from an AIX server to a Linux server. Because the version we are stuck on is not officially supported by the … Continue reading →

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SSH Notes

Posted on February 22, 2010 by Judson Bishop

Every time I install a new server I go through the process of setting up SSH keys for easy access. I wrote this documentation a few years ago so that I didn’t have to look it up on the web … Continue reading →

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Graphing HTTP response time with MRTG

Posted on February 21, 2010 by Judson Bishop

2010-03-21 11:41:20 Graphing HTTP response time with MRTG If you read my SLA Labbing post ealier you know that we were having trouble graphing Cisco SLA output in MRTG. The problem was the the MIB was not returning information that … Continue reading →

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Symantec Linux Backup Install

Posted on February 18, 2010 by Judson Bishop

It’s frustrating when a vendor provides an install script that does not work. Especially when they take the time to print a bunch of fancy script across the screen about how it is working. For those out there this is … Continue reading →

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Parsing Barracuda Log Files

Posted on February 5, 2010 by Judson Bishop

We have a Barracuda web filter here at the Circus. In general we are pleased with its performance, however, as our internet usage has climbed the days of history has declined. The inverse relationship is due to a “ring buffer” … Continue reading →

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Dig Tricks

Posted on December 27, 2009 by Judson Bishop

dig +short txt _netblocks.google.com dig -t SRV _kerberos._tcp.circus.com # get the address(es) for yahoo.com dig yahoo.com A +noall +answer # get a list of yahoo’s mail servers dig yahoo.com MX +noall +answer # get a list of DNS servers authoritative … Continue reading →

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SLA and MRTG

Posted on December 15, 2009 by Judson Bishop

Over the last few days here at the Circus we have been playing around with trying to test our service level agreements (SLA). It came about because one of our off-campus sites was having connectivity issues and were extremely vocal … Continue reading →

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DHCP Options

Posted on December 9, 2009 by Judson Bishop

Last week we upgraded our Call Manager and I had to mess around with DHCP to get some phones working correctly. I’ve been meaning to write an entry about our DHCP server configuration so I figured I would take some … Continue reading →

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