On 05/16/2012 12:41 PM, Tom Horsley wrote:
On Wed, 16 May 2012 09:42:20 -0600
JD wrote:
It isn't useless for me at work: It is the only thing that makes
NIS lookups reliable. At some point in time, glibc apparently
changed the timeout for NIS to something like 3 nanoseconds :-).
3 ns?? So, what did you do to make it work?
The smiley was for the 3 ns value. I have no idea what it actually
is, but NIS only functions error free if I am running nscd on my
local system. The slightest amount of network traffic that slows
down the local network always results in NIS errors unless I'm
running nscd. This happened somewhere around fedora 12 or 13 I
seem to recall. Never ran nscd before that, and never had a
problem, and none of the local network infrastructure changed,
so I figured it must be something in libc that was more
sensitive to slight delays in responses.
I see. Well, I must not have configured nscd properly then.
Currently enabled and running dnsmasq with the following config
options in /etc/dnsmasq.conf:
interface=em1
interface=lo
except-interface=virbr0
listen-address=10.0.0.1
cache-size=2000
no-negcache
conf-dir=/etc/dnsmasq.d
Per documentation, the interfaces are what it listens to
for resolution requests.
I assume the resolver library (/lib/libnss_mdns4_minimal.so.2)
configured in /etc/nsswitch.conf:
hosts: files mdns4_minimal dns [NOTFOUND=return] myhostname
looks in /etc/resolv.conf to see that the first line is 127.0.0.1.
If there is a dnsmasq config option to force a longer ttl
(i.e. to delay invalidation of a translated domain), I do not know it.
Also, is the line
listen-address=10.0.0.1
redundant? since it is the address of interface em1, which is already
stated?
If you have any improvements I can make to the config options, please
share them.
Thanx,
JD
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