Lightweight persistent message queue for Linux?
Is there a (preferably no cost) message queuing solution for Linux that has disk-based persistence (e.g. can survive a reboot)?  I'm looking for something equivalent to MSMQ on Windows, fairly basic and lightweight and not, say, MQSeries.

This will be used from C++ components.

Lightweight persistent message queue for Linux?
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Is there a (preferably no cost) message queuing solution for Linux that has disk-based persistence (e.g. can survive a reboot)?  I'm looking for something equivalent to MSMQ on Windows, fairly basic and lightweight and not, say, MQSeries.

This will be used from C++ components.
