Archives October 2013

Uploading GBs to Django

As some may remember, one of our products involves the user posting very large (multiple GB) files. Previously we've been using an nginx extension that does a direct-to-disk streaming decode during an upload, but that extension isn't available in newer nginx (which we'd like to have available in order to take advantage ...

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Updating the Laptop to Kubuntu 13.10

Apparently Kubuntu 13.10's version of the fglrx driver is now equivalent to the beta one I added to my 13.04 install to get it running, so I decided to do the upgrade. However, it kept failing with a cryptic error that it couldn't do the upgrade because I was either running ...

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Multicast and Performance Binds

Networking fun this week.

The big nasty that bit me was that a .bind( ('',port) ) on a multicast socket will get all packets sent to any local socket listening to that port, even if this socket has not registered membership in the group.  So if you have two capture processes, each trying to listen to ...

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