Re: unable to start SSH service

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On 28.03.2013 16:56, Bill Oliver wrote:
> 
>> Am 28.03.2013 16:08, schrieb Suvayu Ali:
>>> On Thu, Mar 28, 2013 at 02:51:22PM +0000, Frank Murphy wrote:
>>>> On Thu, 28 Mar 2013 15:41:15 +0100
>>>> Suvayu Ali <fatkasuvayu+linux@xxxxxxxxx> wrote:
>>>>
>>>>>> Upgrade to Fedora 17 or 18.
>>>>>> Is the solution
>>>>>
>>>>> Although that is good advice, it is definitely not a solution to the
>>>>> OP's problem.
> 
> Sometimes its good to try to be helpful even if the person can't take
> advantage of the kneejerk obvious response.  There can be lots of
> reasons that a person can't upgrade an OS.
> 
> For instance, I am closely affiliated with a very large multi-hospital
> group that is still running Windows XP.  Why?  The reason is that the
> healthcare software (case management, automated medical records, etc.)
> has to be approved by the Food and Drug Administration before it can be
> substantially changed, and running it on a new operating system counts
> as a substantial change.  Unfortunately, the bureaucratic and regulatory
> mess involved with validating this kind of software can take years, and
> the switch will likely cost this organization over a million dollars. 
> And of course, as soon as it's done, it will already be "obsolete."
> 
> A few years ago, I directed a scientific laboratory that was very
> heterogeneous for similar reasons.  Many machines were dedicated to
> specific pieces of laboratory equipment, and the OS was determined by
> the needs of the software that ran the equipment, not my convenience.  I
> had one piece of equipment that required AmigaOS that we didn't
> decommission until 2008.
> 
> While upgrading is, indeed, the best solution, it may also be
> appropriate to help people who do not have that option.
> 
> That being said, it's hard to help without more information.  The most
> common things that have made ssh not work for me have been:
> 
> 1) Some ssh packages come initially configured to only allow ssh to
> localhost (127.0.0.1).  Make sure that's changed in the config file if
> your package is like that.
> 
> 2) Some initial configurations of selinux are not ssh friendly, either
> make sure that your selinix configuration allows ssh.
> 
> 3) Is this a server or client problem?  I wasn't sure from what you
> wrote whether your problem is that people can't get to your machine to
> ssh, or if you can't get to other machines from yours.
> 
> 4) Have you made sure this isn't a firewall/connection problem if it's a
> client issue -- perhaps the packets are getting munched by a firewall. 
> Can you get to and from other machines behind your firewall?  Can other
> machines get out through your firewall?
> 
> 5) You don't say whether your problem is global -- you can't ssh at all
> -- or to a specific host.  Many servers don't use the standard ports,
> and you need to make sure you are pointing to the right place. 
> Similarly, you need to make sure the server is actually serving.  Can
> you connect with netcat?
> 
> 6) If you are testing your client on your localhost as server, are you
> sure the daemon is really running?
> 
> 7) You need to show us what your log files say.  Are you having
> authorization problems?
> 
> 8) Is this a problem all the time or is it intermittent?
> 
> 9) Is your problem with standard sitting-at-the-console ssh, or is it
> with automatic-with-a-cron-job, or both?
> 

Spammer whisperer!? :)

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Shake it for the catfish swimming down deep in the creek
For the crickets and the critters and the squirrels
Shake it to the moon, shake it for me girl, aww
L.B.

poma

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