SSH question

[Ed Greshko]

On 06/13/14 07:57, Bill Oliver wrote:
> On Thu, 12 Jun 2014, Fred Smith wrote:
>
>> Hi all!
>>
>> I feel dumb having to ask this, I feel I should know the answer, but
>> can't dredge it up.
>>
>> I've recently installed F20 on my old eeepc, where it seems to run fine,
>> btw, but I can't for the life of me figure out how to connect to it from
>> another system with ssh.
>>
>> I've made sure that sshd is installed, and "systemctl list-unit-files"
>> shows it as enabled. As far as I can figure out how to use the relatively
>> new firewall app (and I have to admit some hesitance there since I'm
>> not sure I really DO understand it...) the necessary ports are open.
>>
>> however when I attempt to connect to it with ssh from another box I get
>> I get an instantaneous "ssh: connect to host 192.168.2.117 port 22:
>> connection refused".  And when I attempt to connect back to itself:
>> "ssh -X fredex at localhost" I get the same thing.
>>
>> If someone can give me a whack on the head (designed to joggle my brains
>> a bitg--in a good way) I'd appreciate the guidance.
>>
>> thanks!
>>
>>
>
> Here are the things that have kept sshd from working on new installations for me in the past.  I don't know which, if any, would apply to Fedora 20 today.
>
> 1) As I remember, some ssh setups come configured so that they will only talk to localhost (though that may be ftp, not ssh).

I think you're mixing that up with sendmail.  sshd will, by default, bind to all interfaces on port 22.

>
> 2) For some reason, I commonly had a problem with SeLinux blocking ssh.  I turn it off.

Never had a problem with ssh and selinux.  Don't turn things off blindly.  If you think you have a selinux issue, investigate.

>
> 3) Sometimes I forget to set up the rsa keys and nothing will authenticate.
>
>

When the sshd is started for the first time, the server certs will be generated.  


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