SUMMARY: inetd[115]: exec/tcp: unknown service

From: Tony Mountifield (tony@microware.co.uk)
Date: Tue Jul 20 1993 - 12:07:29 CDT

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I asked:

> I have a small network of a 3/80 server and three 3/80 diskless clients,
> all running 4.1.1_U1 with no patches.
>
> We leave the server running continuously, as it is our UUCP mail and news
> machine, but the clients are normally shut down over the weekend.
>
> Sometimes when booting up a client, it goes through the normal boot
> procedure to the initial login: prompt, but then gives the console message
>
> inetd[115]: exec/tcp: unknown service.
>
> The network is running NIS, and doing a "ypcat services" on both the
> server and client reveals "exec 512/tcp".
>
> - What kind of problem does this message indicate?
>
> - Why does it appear?
>
> - Can I ignore it, or should I reboot the client when it happens?

The consensus was that I probably had a blank line in my master
/etc/services file.

I did.

> From: Steve Romig <romig@cis.ohio-state.edu>
>
> Sounds like you have a blank line in /etc/services. There's a
> Strange and Irritating Bug that causes it to flake out if there's a
> blank line - most of the time, getservbyname will find exec/tcp (or
> lpr/tcp or whatever) and then sometimes, not.

Thanks also to:
    lbd@mhcnet.att.com (Leslie B. Dreyer Kalra [82])
    David Barr <barr@pop.psu.edu>
    Mike Raffety <miker@il.us.swissbank.com>
    shandelm@jpmorgan.com (Joel Shandelman FIMS Information Systems - 212-648-4480)
    tkevans@eplrx7.es.duPont.com (Tim Evans)
    "Lawrence R. Rogers" <lrr@Princeton.EDU>
    canuck@masc38.rice.edu (Mike Pearlman)
    tmk@mayo.EDU (Tom Kinter)
    strombrg@hydra.acs.uci.edu
    Brett M Hogden <hogden@rge.com>
    Barry Margolin <barmar@Think.COM>
    Simon Shickman <simon@horizon.cc.huji.ac.il>
    Birger.Wathne@vest.sdata.no (Birger A. Wathne)
    glenn@uniq.com.au (Glenn Satchell - Uniq Professional Services)

and any others whose replies I have not yet received.

-- 
Tony Mountifield     (G4CJO)       | Microware Systems (UK) Ltd.
-----------------------------------| Leylands Farm, Nobs Crook,
Email:  tony@microware.co.uk       | Colden Common, WINCHESTER, SO21 1TH.
(or:  ...!uknet!mwuk!tony)         | Tel: 0703 601990   Fax: 0703 601991

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