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The simple way to fix Ubuntu duplicate sources.list entry errors

The simple way to fix Ubuntu duplicate sources.list entry errors

For quite some time I’ve been getting duplicate sources.list entry errors when performing software updates/installs on our Ubuntu server. The reason I hadn’t done anything about it was this error is just an annoyance and wasn’t impacting on the servers performance. The problem stems from this server being used for development and testing, so it is always being upgraded to the latest Ubuntu release. This even includes beta releases. The server started out life on Ubuntu 9.04 release and now is sitting on Ubuntu 12.04.  Read more about The simple way to fix Ubuntu duplicate sources.list entry errors