Try searching for 'linux iptables nat' or similar.  There are hundreds, 
if not thousands of tutorials available.

-Mark

On 09/05/2013 09:18 AM, n00b 101 wrote:
> Hi Mark,
>
> I prefer to use an ethernet switch with a NIC in each computer so that I
> can try to add one more computer later on if I need.
>
> As to setting up iptables/NAT forward traffic, could you show one or two
> tutorials on websites?  Or, what keywords should be used to search?
>
> Thanks a lot.
>
>
> On Thu, Sep 5, 2013 at 11:40 PM, Mark Stodola <[log in to unmask]
> <mailto:[log in to unmask]>> wrote:
>
>     On 09/05/2013 01:56 AM, n00b 101 wrote:
>
>         Hi,
>
>         I have two computers running Scientific Linux 6.4.  Computer A
>         (used as
>         a server) uses wireless WiFi to connect to a wireless router so
>         that it
>         can surf the Internet.  Computer B (used as a client) has no
>         wireless
>         WiFi and needs to be connected to the Computer A so that it can
>         go out
>         to the world as well.  For some purposes, cable connection between
>         Computer B and the wireless router has been opted out.
>
>
>         Is the best way to connect Computers A and B by using a switch
>         or router
>         via Ethernet cables?
>
>         noob.
>
>
>     If I followed all of that correctly, the best way is using an
>     ethernet switch with a NIC in each computer.  Alternately, you could
>     skip the switch and use a crossover cable if there are no other
>     computers involved.  You would then setup iptables/NAT on computer A
>     to forward the traffic from B to the internet.  There are many
>     examples and tutorials on the web to help you along.
>
>     Regards,
>     Mark
>
>     --
>     Mr. Mark V. Stodola
>     Senior Control Systems Engineer
>
>     National Electrostatics Corp.
>     P.O. Box 620310
>     Middleton, WI 53562-0310 USA
>     Phone: (608) 831-7600 <tel:%28608%29%20831-7600>
>     Fax: (608) 831-9591 <tel:%28608%29%20831-9591>
>
>


-- 
Mr. Mark V. Stodola
Senior Control Systems Engineer

National Electrostatics Corp.
P.O. Box 620310
Middleton, WI 53562-0310 USA
Phone: (608) 831-7600
Fax: (608) 831-9591