Category Archives: SysAdmin

Fixing Mountain Lion Runaway parentalcontrolsd

Posted on 22 February 2013 by James Reuben Knowles

How to correct parentalcontrolsd running with a high CPU load under Mountain Lion (OS X 10.8). Continue reading →

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Integrating GitHub Pull Requests with TeamCity

Posted on 13 February 2013 by James Reuben Knowles

JetBrains has a nice article on integrating GitHub, TeamCity, and pull requests.    

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Installing git on Centos 6

Posted on 6 September 2012 by James Reuben Knowles

Trivial: sudo yum install git-core  

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Installing git on CentOS

Posted on 7 September 2011 by James Reuben Knowles

git is available as an EPEL package. First, activate EPEL via $ sudo rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-4.noarch.rpm NOTE:That exact URL will change with time. I took it from the EPEL FAQ. Next, install the git package. $ sudo yum install git

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Cleaning Up Jammed Subversion Transactions

Posted on 26 August 2011 by James Reuben Knowles

There was a very odd server failure while a big Subversion commit was in process. (The ISP hosting the server is kind of flaky.) To clean up the leftover files from the failed transaction, I did this: $ svnadmin lstxns … Continue reading →

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DHCP Lease Time Optimization

Posted on 29 July 2011 by James Reuben Knowles

Setting DHCP lease times is in practice pure voodoo. I ran across a paper presented in 2007 on research into DHCP lease times at Georgia Tech’s student network called Usage-Based DHCP Lease Time Optimization. While the paper on the whole … Continue reading →

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Git Tutorial

Posted on 5 July 2011 by James Reuben Knowles

For the uninitiated, here’s a nice git tutorial at progit.org. You can download the current stable version of git at the git home page.

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ZFS on Linux

Posted on 24 June 2011 by James Reuben Knowles

ZFS and Linux unfortunately collide. M. Tim Jones has a paper on IBM developerWorks called Run ZFS on Linux.  

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How to Set Up Viscosity for Windows for OpenVPN

Posted on 20 May 2011 by James Reuben Knowles

Step-by-step instructions on how to install and configure Viscosity for windows. Continue reading →

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Zimbra Tweaks

Posted on 29 March 2011 by James Reuben Knowles

This is a list of the various little tweaks I performed on Zimbra. Continue reading →

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