update ansible command usage at user document

ansible command need assign hosts to run.

Change-Id: Ifadc48ba06ef1726aa73b21ff37366360cfffbbe
This commit is contained in:
wu.chunyang 2018-07-07 15:36:35 +00:00
parent 53b2cdca2c
commit 6dd45f62b0

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@ -274,7 +274,7 @@ than one node, edit ``multinode`` inventory:
Ubuntu might not come with python pre-installed. That will cause Ubuntu might not come with python pre-installed. That will cause
errors in ping module. To quickly install python with ansible you errors in ping module. To quickly install python with ansible you
can run ``ansible -m raw -a "apt-get -y install python-dev all"`` can run ``ansible -i multinode all -m raw -a "apt-get -y install python-dev"``
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