SL5 to SLC5
Vnode only supports SL5 right now - so here's how to turn it into a SLC5 node (for x86_64)> cd /etc/yum.repos.d/> rm -f sl-*.repo sl.repo> rpm -r epel-release> rpm -Uvh...
View Articlepython (and Django) development environment
I like virtualenv and pip. Sadly, they don't work so well with python2.3 - virtualenv will work if you manually copy a version of subprocess.py from a python2.4/2.5 machine into site-packages. pip just...
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Python2.5 on SLC4
So, a recurring problem when writing django apps, or using django tools is that then often use features only on python2.4 or python2.4 (properties, with: clauses, ...).Here's a recipe to get python2.5...
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pip and virtualenv differences (--no-site-packages)
Just a quick note here found when debugging multiple django installs.There is a difference between:> virtualenv foo> pip install -E foo Djangoand # no virtualenv exists at this point> pip...
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Django slides at GD White Areas
I gave the following slides today on Django at the White Areas lectures. They give a high level introduction to Django and also show some useful tools for python/Django development.Introduction to...
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Information systems from an operational perspective
Some slides that I presented at EGEE'09 on future ideas for information systems from an operational perspective.Grid Information systems from an Operations PerspectiveView more presentations from...
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Getting started testing in Django
Lazy Pythonista: Getting Started with Testing in Django : Alex Gaynor provides a good introduction to the simplest (and mostimmediately useful) way to test your Django apps - simple view testing.
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JS bindings for AMQP
kamaloka-js-0.1.0 AMQP bindings released Makes client side programing easy - seems to also support QMF
View ArticleNew job positions in Europe for Amazon Web Services
New job positions in Europe for Amazon Web Services Interesting jobs @AWS including Solutions Architect and Tech Evangelist.
View ArticleDeployment is just a part of dev/ops cooperation, not the whole thing
Deployment is just a part of dev/ops cooperation, not the whole thingMore details from John Allspaw (flickr ops manager) on how toget dev + ops working together. All nice stuff like better monitoring,...
View ArticleOrderly JSON
From Simon Willison:Orderly JSON. Essentially the JSON equivalent of RelaxNG’s compact syntax—a pleasant mini-language for describing JSON objects which compiles to the more verbose JSONSchema format.
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India & Nepal
I spend 3 weeks this January in Northern India and Nepal, starting in Delhi, going to Bodh Gaya, Varanasi, Kushinagar and Lumbini finishing up in Nepal in Kathmandu. Too few days really, but...
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Producing RPMs for Apache ActiveMQ
Edit (11-01-21) : See the more recent post on a new YUM repo and ActiveMQ 5.4.2 rpms.All of the deployment we do is via RPM and a big gap for us has long been the lack of RPMs for FUSE Message Broker/...
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ActiveMQ Advisories and STOMP
Advisory Messages in ActiveMQ are pretty useful, but since I mostly use STOMP clients I never really knew how useful ! I was blocked by this so prompted by a mail from Gary Tully on the activemq-users...
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(Some) Java apps run faster on fewer cores...
From Paul Tyma: Mailinator(tm) Blog: How I sped up my server by a factor of 6Odd effects of reducing #cores for the JVM to improve message throughput.
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Fudge in Python
I though Fudge was an interesting format for messaging when Kirk Wylie first mentioned it last year. Since then C and C++ libraries have appeared alongside the original Java and .Net. Fudge, along...
View ArticleActivemq Rpms
Due to SSL issues on our koji build server it seems some people can't get at the RPMs.Anyway, here are direct links for different versions:for...
View ArticleNew Activemq yum repository (and 5.4.2 rpms)
I got around to setting up a new yum repository to store my activemq rpms.You can find it at http://packages.platform14.net/repo/activemq/. Currently I've got RHEL/Centos5 packages there. I'll put up...
View Article4 years of development activity in under 2 minutes
We started the WLCG Grid Monitoring Subversion repository in June 2007. For nearly four years it's been the home of the majority of the monitoring tools used to monitor the WLCG infrastructure. Now...
View ArticleResolutions for 2011
2011 is set to be a year of big change for me as I leave CERN after 8 years. So I thought it was a good year to write down some resolutions (for the first time ever!). I think it's going to be...
View ArticleGiving structure to your monitoring [Part 1: Local and remote monitoring]
I've spent the last couple of years at CERN working on building monitoring infrastructures for grid systems. Recently a colleague asked about a taxonomy of monitoring and I dredged up the original...
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