The error looks like libbitcoin-network was not updated. Always get from all dependent repos if you get from any one, as there are frequent changes. The installer is recommended.

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> On Jun 19, 2016, at 3:18 PM, Police Terror <PoliceTerror@???> wrote:
>
> You know those gists you posted with build scripts. Can you commit them
> to one of the libbitcoin repos?
>
> Maybe this one https://github.com/libbitcoin/libbitcoin-build
>
> Also where should people send debpkg bug reports? What do you think of
> the libbitcoin-build Issues tracker?
>
> The current Ubuntu 16.04 for me is failing with:
>
> $ bx help
> bx: symbol lookup error: /usr/lib/libbitcoin-explorer.so.0: undefined
> symbol: _ZN10libbitcoin7network9handshake11unspecifiedE
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