inetd[115]: exec/tcp: unknown service

2007-12-25 8:22:00

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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