[Triumf-linux-managers] SL5 authconfig nis/dns misconfiguration

Brian Leathem bleathem at triumf.ca
Fri Nov 21 12:30:54 PST 2008


Konstantin Olchanski wrote:
> On our SL5 machines I was seeing problems with DNS - programs
> being stuck inside gethostbyname(), with stack trace indicating they
> were doing something inside the NIS code. Very odd.
>
> [...]
>
> To correct this problem you can edit /etc/nsswitch.conf to
> read "hosts: files dns" or run this sed script

The Java processes on one of our servers was throwing 
UnknownHostException exceptions.  To prevent the error, I put the host 
in /etc/hosts (in this case it was a host for ldap lookups).  The 
/etc/nsswitch.cong file already reads "hosts: files dns", so maybe this 
is a different issue.

Brian


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