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  • At Impact 2010

    I’m in Las Vegas Saturday through Thursday for Impact 2010. Drop me a word if you are there too. Having built the DB2 images for WebSphere CloudBurst, I’ll be helping Dustin Amrhein run a lab on Tuesday: Hands-on Lab with WebSphere CloudBurst Appliance Tuesday at 1:30 PM TDC-1369A Venetian, San Polo 3403 I’ll also spend…

  • iptables pitfall

    An important thing to remember about rulesets in /etc/sysconfig/iptables is that they are chains. The first rule is applied, followed by the second, and so on. It’s the opposite of CSS that way. More specific rules should go first, while all-encompassing rules should go last. I was trying to open the usual DB2 ports on…

  • Interesting IDE prototype

    This video demos an interesting prototype of a new UI for Java IDEs. I am not convinced, but it is worth watching for a new perspective: [youtube https://www.youtube.com/watch?v=PsPX0nElJ0k&hl=en_US&fs=1&&w=640&h=505]

  • Donate

    My friend and a great sf author Dr Peter Watts has just been beaten up by US border guards and charged with assaulting an officer. This kangaroo circus might end with a two year imprisonment. Please give what you can to his legal defense fund. Story: Boing Boing Send money via Paypal to: donate@rifters.com I…

  • CASCON Deploying MediaWiki with DB2 in the Cloud workshop

    I’m hosting a workshop today at CASCON. The resources for it are below. Materials Presentation (PDF, Slideshare) Exercises (PDF, Slideshare) Resources IBM Smart Business Develop & Test on IBM Cloud Amazon Web Services (AWS) Rightscale MediaWiki Manual: IBM DB2 Downloads MediaWiki 1.16 build with DB2 support IBM Data Server Driver for ODBC and CLI IBM…

  • Easy OLTP scaling

    OLTP is a database use where there are lots and lots of simple transactions or queries. For example, a typical website uses a database in the OLTP way. This is in contrast to a data warehouse, where there is usually only a few complex queries for generating reports. IBM just announced DB2 pureScale, a way…

  • MediaWiki with DB2 support 1.16alpha

    MediaWiki 1.15 was released with partial DB2 support, but unfortunately there were some changes to the database schema that I missed and it didn’t work out of the box. Since then, I’ve committed several fixes to the main development trunk. The trunk is currently destined to become 1.16alpha, though theoretically I could backport these to…

  • Error:

    I ran into the following error while converting a virtual machine on a VMWare ESX Server to OVF using the VMWare OVF Tool. Disk Transfer Failed Error: Unable to open NFC target disk Googling suggested that a network problem or a permissions problem might be at fault. In fact, it turned out the problem was…

  • Selection, updation

    In the future, we might all say “updation”.

  • device br0 already exists

    Here’s how you solve either of the following errors on Ubuntu (and possibly Debian): device br0 already exists; can’t create bridge with the same name device eth0 is already a member of a bridge; can’t enslave it to bridge br1. Removing the device specs from /etc/network/interfaces and restarting the network doesn’t actually remove the device…