doc: Suggest a network test command that will definitely be available.

* doc/guix.texi (Running GuixSD in a VM): Suggest the use of `guix
download` to test network connectivity.
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Leo Famulari 2017-05-13 20:47:09 -04:00
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@ -15679,7 +15679,7 @@ to your system definition and start the VM using
@command{`guix system vm config.scm` -net user}. An important caveat of using
@command{-net user} for networking is that @command{ping} will not work, because
it uses the ICMP protocol. You'll have to use a different command to check for
network connectivity, like for example @command{curl}.
network connectivity, for example @command{guix download}.
@subsubsection Connecting Through SSH