Ubuntu network

Karl Auer kauer at biplane.com.au
Mon Mar 19 22:35:25 UTC 2012

On Tue, 2012-03-20 at 06:03 +0800, John Law wrote:
> Sorry if this is OT. I have ten PCs running Ubuntu that needs to
> connect to the Internet. I have to advise to buy either a hub, switch,
> or router. Which one is easiest to setup as my Ubuntu knowledge is
> limited?

To connect them together, you need a switch (and/or a wireless access

To connect the resulting network to the Internet, you need a router. To
connect the router to the Internet, you need a modem. That last step
depends on your Internet connection.

Hubs, switches, modems and routers have nothing to do with Ubuntu, they
are independent, self-contained devices. Unless of course you intend to
configure an Ubuntu host as a router.

> Is it true that I would need a server if I use a hub or switch
> (considering them as they are cheaper)?

I don't understand this question.

> I already have an ethernet modem to connect to the device.

What's an "ethernet modem"? Connect to what device? If you mean "a modem
that I connect to a PC using ethernet", then you probably have this
arrangement with one PC:

   PC --> modem --> Internet

and what you need is this arrangement

  PC (x10)  --> switch/accesspoint --> router --> modem --> Internet

You can get devices that are a switch, a router, a wireless access point
and a modem in one unit, but they generally don't have as many as 10
ethernet interfaces.

The questions you have asked suggest very strongly that you personally
should not connect a network of 10 computers to the Internet without
first seeking competent local assistance. The cost will pay itself back
a hundredfold.

Regards, K.

Karl Auer (kauer at biplane.com.au)

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