Re: [Xen-users] issue on ssh to domu in Xen 4.0

[Alexandre Kouznetsov <alk@xxxxxxxxxx>]

Hello, Xiao.

I must agree with Wei, it seems like some OS level issue, not related to 
Xen.
El 08/07/13 07:51, xiao ling escribió:
> I install Xen 4.0.1 step by step according to the installation of Xen
> 4.0.1. I can create Para domU and use console to access it, but I can
> not use ssh to domU. When I use ssh to link the domU, I can not access
> the tty of domU after inputting password. I did not why like this?
As I understand, a SSH client does prompts you for password. It means 
that the low level bidirectional TCP connection was established, so the 
networking and firewall configuration must be fine.
> Actually, xvc0 is fine. Do anyone meet this situation and can you give
> me a solution?
I suggest you 2 measures:
1. Check your DomU logs for any messages, that appear in the same time: 
when a SSH connection is attempted. Find thm under /var/log; messages, 
syslog, auth.log, daemon.log.
2. Give your connection some time, just wait up to a minute. It happens 
that SSHd tries to log the connection using reverse host name resolution 
of the client, not it's IP. If your DNS server is slow or unable to 
answer, SSHd waits a while before giving up.
If this does not help to solve the issue, the indicated place to ask 
about it is a forum or mailing list specialized on your DomU Linux 
distribution (CentOS? Ubunut?).
Greetings.

--
Alexandre Kouznetsov


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