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Re: [Xen-users] newbie in trouble with CentOS Xen

  • To: xen-users@xxxxxxxxxxxxx
  • From: Alexandre Kouznetsov <alk@xxxxxxxxxx>
  • Date: Wed, 03 Apr 2013 16:09:39 -0600
  • Delivery-date: Wed, 03 Apr 2013 22:10:32 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>


El 03/04/13 15:38, Dave Stevens escribió:
I have a server I basically inherited that has been performing well for
several years but is now not working. So I have ssh access from offsite.
When I log in I am in dom0. This is wrong; the unit was set up so that
dom0 would have no direct internet connection quite intentionally as a
security feature. There is one hosted domain, Centos 5.8 the same as
dom0. Up until yesterday I got the hosted domain when I logged in.

At the moment I can ssh to dom0 but when logged in can't ping out. So
that's a problem.

I can use xm console hostdomain to see the VM, which appears to be fine
on its own but which is disconnected.

I don't know enough about xen networking to know where to look, but it
seems reasonable that being unable to ping out would be indicative of
something, I just don't know what. Any suggestions welcome, will even
RTFM if someone will point me to it.

In order to make a reliable fix, you will need to get a better idea how it is supposed to work. Check this reference:

While this, please provide some output of the current status of your system, with the output of this commands:
xm list
brctl show
iptables -L -v

Alexandre Kouznetsov

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