cannot set up Kallithea in Ubuntu 16.04

[Uwe Brauer]

>>> "TDS" == Thomas De Schampheleire <patrickdepinguin at gmail.com> writes:
Hi Thomas

> Hi Uwe Brauer,
> The 'node' program cannot be found. Kallithea requires the 'npm' package to
> be installed, which should provide node. You should be able to use apt-get
> to install it.

This is what I thought, but 


sudo apt-get install npm
[sudo] password for oub:
Reading package lists... Done
Building dependency tree
Reading state information... Done
npm is already the newest version (3.5.2-0ubuntu4).
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