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Ubuntu Versions

I'm playing with upgrading a Ubuntu 9.04 installation and ran into the "An upgrade from 'jaunty' to 'lucid' is not supported with this tool." and I had no idea what version `lucid' was. To find the version of the currently running Linux box use lsb_release -a...

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Linux MTU Discovery

I keep having to Google how to discover the correct MTU for a link so I'm going to blog about it to save the effort. The command to test for the MTU in Linux is: ping -M do -s <bytes> <ip address> First a succesful MTU test ping: ping -M do -s 1372...

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