[Users] Re: Networking confusion and NIS client inside a CT

E Frank Ball III efball at efball.com
Fri Jan 8 16:38:06 EST 2010


In your /etc/yp.conf file do you specify "broadcast"?  That won't work
in a vz container.  (domain <nis domain> broadcast).  I get around this by
specifying a server:

domain <nis domain> server <servername>

   E Frank Ball                efball at efball.com


On Fri, Jan 08, 2010 at 12:03:52PM -0500, Steve Scaffidi wrote:
 > We've just started using OpenVZ on a test box here at work and I've
 > come across some odd things I don't understand, and can't figure out
 > from the wiki.
 > 
 > It began when I attempted to start an NIS client on a CT and it
 > couldn't bind to the NIS server, which is on the host system. However,
 > other networking functionality seemed to work properly: ping, wget,
 > ssh, etc... (BTW, other physical hosts on the same LAN can bind to the
 > NIS server on that host just fine)
 > 
 > I checked connectivity from the CT to the host, and it seemed fine.
 > The host has the IP address 10.1.10.60 and the CT has the address
 > 10.1.10.101. The CT's network interface is venet0:0 which is a PTP,
 > and there is also a venet0 with no address. This seems to make sense
 > given what I've read on the wiki. The part that has me scratching my
 > head is this:
 > 
 > ct-101:/# route -n
 > Kernel IP routing table
 > Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
 > 192.0.2.1       0.0.0.0         255.255.255.255 UH    0      0        0 venet0
 > 0.0.0.0         192.0.2.1       0.0.0.0         UG    0      0        0 venet0
 > 
 > I have no idea where this address is coming from or why network
 > functionality seems to work at all with this here! I'm really not sure
 > what questions to ask or what to search for, hence this email to the
 > list! :)
 > 
 > BTW, both host and CT are debian lenny systems. I started with a
 > template that was already there, called "debian-5.0-x86". OpenVZ was
 > installed and configured on this system by someone else, but I can't
 > figure out what he may have done.
 > 
 > Any hints as to what's going on, and furthermore, how I might be able
 > to get the NIS client working?
 > 
 > -- 
 > -- Steve Scaffidi <stephen at scaffidi.net>


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