delay after ssh'ing into a server

Bill Tangren bjt at aa.usno.navy.mil
Fri Oct 6 15:18:11 UTC 2006


Stephen Carville wrote:
> Bill Tangren wrote:
>> Stephen Carville wrote:
>>> Bill Tangren wrote:
>>>> Mahesh Pokala wrote:
>>>>> Check /etc/resolv.conf  for valid dns entries
>>>>> Check /etc/nsswitch.conf  for valid entries.
>>>>>
>>>>
>>>> I don't see anything unusual in them, and I haven't changed them. 
>>>> Also, they are the same as the same files on the other servers, and 
>>>> those servers don't have this problem. I've tried this from several 
>>>> different servers. I've also asked others to try, and they have the 
>>>> same problem.
>>>
>>> try ssh -vv user at wherever to see where the hang is happening.
>>
>> [root at eunomia ~]# ssh -vv bjt at aa
>> OpenSSH_3.9p1, OpenSSL 0.9.7a Feb 19 2003
>> debug1: Reading configuration data /etc/ssh/ssh_config
>> debug1: Applying options for *
>> debug2: ssh_connect: needpriv 0
>> debug1: Connecting to aa [10.1.5.93] port 22.
>> debug1: Connection established.
>> debug1: permanently_set_uid: 0/0
>> debug1: identity file /root/.ssh/identity type -1
>> debug1: identity file /root/.ssh/id_rsa type -1
>> debug1: identity file /root/.ssh/id_dsa type -1
>>
>> Then the 30 second pause... then
> 
> Still looks like name resolution problem.  Just for S&G try putting yoru 
> machine and IP address in /etc/hosts and make sure yout host line in 
> nsswitch.conf includes files.  AKA:
> 
> hosts:    files dns
> 

I already had "hosts:    files dns" in /etc/nsswitch.conf, and I added

10.1.5.154	eunomia.usno.navy.mil	eunomia

to /etc/hosts. I then restarted network just to make sure the hosts file was 
reread. No change. There is still a 30 second delay.




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