[OE-core] SSH Login Delay

[Scott Garman]

On 01/21/2013 07:21 AM, Jack Mitchell wrote:
> I have recently noticed that when SSH'ing to my BeagleBone it has a 3-5
> second delay before the bash prompt shows. I have looked in
> /var/log/messages and noticed:
>
> Jan 18 15:47:12 beaglebone auth.info sshd[12389]: Accepted none for root
> from 192.168.0.51 port 37905 ssh2
> Jan 18 15:47:12 beaglebone auth.info sshd[12399]: lastlog_openseek:
> Couldn't stat /var/log/lastlog: No such file or directory
> Jan 18 15:47:12 beaglebone auth.info sshd[12399]: lastlog_openseek:
> Couldn't stat /var/log/lastlog: No such file or directory
>
> I was wondering if these stat commands had a timeout on them and
> therefore causing the delay. If so, why do these logs not exist?
>
> I have also noticed that avahi has crept into my image recently and if
> it was possibly something to do with dns resolution or similar?

In my experience this is most likely due to DNS resolution timing out 
trying to resolve a LAN IP address.

Try editing the sshd_config on your BeagleBone's filesystem and set 
UseDNS to no. See if that helps.

Scott

-- 
Scott Garman
Embedded Linux Engineer - Yocto Project
Intel Open Source Technology Center