[CS-FSLUG] Networking with Ubuntu or Fedora Core 6

[Tim Young]

Hi there,
One of the problems with a network with Linux is that there are a ton of 
ways to do everything.  If all you have is two Linux boxes, then you 
will want to use NFS file-sharing.  If you may sometime use a windows 
box on your computer, you will want to set up Samba (You may do it 
instead of NFS.  They are not mutually exclusive, they just do the same 
thing two different ways.)

With your problem of things not opening eachother, my first guess is 
that you have a firewall set up.  You can determine if you have a 
firewall by running:
    iptables-save

If it prints a lot of lines, then you have a firewall.  :)

You may look at:
http://tldp.org/HOWTO/SMB-HOWTO.html
This tells you about file and printing.

You will probably want to break things up into a few parts:
  Getting the computers to contact eachother via the net.
    (firewalling, IP addresses, DNS, etc.)
  Sharing information
    (Samba, NFS, SSH, etc.)

There is a Linux networking howto at tldp.org, but it gets very 
complex.  Since you already have IP addresses, I will assume that you 
just have a firewall blocking connectivity.  You can turn off your 
firewall a few ways.  Fedora uses a program called "lokkit" in the 
command-line world, but it has some interface in the GUI world.  I do 
not have FC6 so I don't know where it is.  If you have a firewall 
between you and the outside world, for now, just turn off your firewall.

For sharing files, you will most likely end up setting up Samba.  It is 
horribly more complex than NFS, but it works in more cases than NFS 
does.  The samba link I gave you up there may be helpful.  But since you 
already set up some shares, most likely, when you have the firewall 
turned off, things will start working.  If not, I can give you a few 
commands that will tell you quickly where the problem is.

Fedora used to allow root SSH by default, so my guess here is that once 
you have your firewall down, everything will work.  If not, ssh is 
usually very simple.  Make sure it is enabled at boot
    chkconfig sshd on
and then make sure it is currently started up
    service sshd start

Then, from the machine you are on, ssh to yourself to see if it works 
local.  If it does, then try it from the other computer.  Most all SSH 
issues, unless you have been playing with the sshd_config file, will be 
with the firewall or not having your service started.

Hope that helps some.

    - Tim Young

HildingE wrote:
> Well, sorry to say I am returning to basic about creating network, this 
> time with Fedora Core 6. Where can I find an easyread HOWTO installing 
> network? I am just using network between two LinuxPC. Beside Ubuntu I 
> have a little bit curios about Fedora Core 6, but it seems more 
> difficult to get it right.
>
> Places: connect to server - ssh - the adresses to the two computers, 
> 192.168.0.2 and 192.168.0.3  I am working as root, but it refuses to 
> open eachother. I have made shared folders, but without any result.
>
> Regards in Lent.
>
> /Hilding in Gothenburg
>
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