I experienced that problem before, and eats up all the filesystem bec. the
log file bloated to gigs.
I dont know if this works for you but it worked for me running FB on RH7.1.
based on my setup here you don't need to touch hosts.equiv, in my
hosts.equiv I got a single entry and its localhost. try to do this,
[root@ns1 /root]# hostname
ns1.xxxxx.xxx.xxx (censored)
[root@ns1 /root]#
the command should return your complete hostname including the domain.
then try to add it to /etc/hosts
restart and viola!

> Hi Folks,
>
> After way too many adjustments, retries, and tweaks, I'm still getting
> variations on "gethostbyname failed" errors whenever I try to run
> server or client.
>
> I've followed (as best I could) all the directions I could find on how
> to do the install for Redhat 7.1. Including:
>
> 1. Updating glibc (did I miss a step here because I relied on having
> done an update earlier in the week via the Update Agent which
> definitely included glibc?).
>
> 2. Getting the old libncurses and installing it (I now have
> libncurses.so.4 in /usr/lib). This isn't quite what's recommended at
> this link--which mentions libncurses.so.3:
> http://www.interbase2000.org/doc_zamana.htm
> But, I used the same RPM file referred to on this link:
> http://sourceforge.net/docman/display_doc.php?docid=2155&group_id=9028
> (The file I used was ncurses4-5.0-2.i386.rpm--I couldn't find a version
> 3 anywhere.)
>
> 3. Trying all kinds of various content in /etc/hosts.equiv
> The clearest explanation of what to add is from the sourceforge docman
> link above which gives this rather clear explanation:
>
> echo localhost.localdomain >>/etc/hosts.equiv
>
> (The only thing I'm not clear on is if "localhost" and "localdomain"
> are supposed to stand for the actual host's name and so on--I tried it
> both ways; neither worked for me.)
>
> When I attempt to connect to a DB, I just get this:
>
> Unable to complete network request to host "localhost".
> -Failed to establish a connection.
> -Connection refused
>
> Here's a sample session trying to start ibmgr:
>
> [root@blacky interbase]# ibmgr -start
> check $INTERBASE/interbase.log file for errors
> can not start server
> [root@blacky interbase]# cat interbase.log
> blacky.localdomain (Client) Thu Nov 1 12:28:58 2001
> INET/inet_error: connect errno = 111
> blacky.localdomain (Client) Thu Nov 1 12:28:58 2001
> /opt/interbase/bin/ibguard: guardian starting bin/ibserver
> blacky.localdomain (Server) Thu Nov 1 12:28:58 2001
> INET/INET_connect: gethostbyname failed, error code = 1
> blacky.localdomain (Client) Thu Nov 1 12:28:58 2001
> /opt/interbase/bin/ibguard: bin/ibserver terminated due to
>startup error (2)
> blacky.localdomain (Client) Thu Nov 1 12:28:58 2001
> /opt/interbase/bin/ibguard: bin/ibserver terminated due to
>startup error (2)
> [root@blacky interbase]#
>
> My /etc/hosts.equiv file currently contains:
> localhost.localdomain
>
> I've tried:
> localhost
> (apparently suggested by the doc_zamana.htm link--point #4)
>
> 127.0.0.1 blacky localhost.localdomain localhost
> (copy of the "localhost" entry from /etc/hosts)
>
> Various other permutations involving the name of the host "blacky"
> and so on.
>
> Anyone have any suggestions? (If I can't get this working soon, my boss
> is going to be unhappy that I chose Linux for the server....)
>
> Thanks,
>
> John
>
>
>
>
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