Thanks for the tip. I'll check on the memory situation.
Jeff Nelson
[EMAIL PROTECTED]
[EMAIL PROTECTED]
On Tue, 27 Jun 2000 [EMAIL PROTECTED] wrote:
> Of course rebooting solved the problem temporarily. Whatever resource
> you were out of, you disconnected all users of that resource and started
> from scratch giving out that resource. While 32MB of RAM is exactly
> 1024 times as much as was on the first mainframe I programmed, it is
> kind of awfully tight for much of a server these days. Accepting a
> connection generally involves fork() and evecve(). The main way these
> can fail in a transient manner is ENOMEM. You might be out of files
> (your average kernel will entertain 4096 open files at any time (I think
> root can change that by writing to /proc/sys/fs/file-max, if not you can
> recompile the kernel)), but I think with 32MB you will run out of memory
> before you run out of files.
>
> On Mon, 26 Jun 2000, Jeff Nelson wrote:
>
> > Hi all,
> >
> > I have encountered a problem that I've never seen before, so I'm hoping
> > that some of you folks with more experience can give me some clues as
> to
> > what's going on...
> >
> > My Linux server runs on a Pentium Pro 180 with 32MB of RAM, a 3c509
> > network card, anda 2.2 GB hard drive with roughly equal / and /home
> > partitions, as well as a 128MB swap partition. As of last week I was
> > running Red Hat 6.1. I'm running it as a web, ftp, mail, and telnet
> > server.
> >
> > Last week I suddenly found that it was refusing web, ftp, and telnet
> > connections. (I didn't test mail connections.) However, the machine
> was
> > still on and running. Rebooting seemed to fix the problem. Then the
> > problem returned a couple of days later.
> >
> > Although rebooting temporarily solved this problem again, I didn't want
> to
> > be bothered with it in the future, and being busy with other projects,
> I
> > didn't think I would have time to do a thorough troubleshooting, and
> since
> > I was thinking about changing to Mandrake anyway, leaving the home
> > partition in place I made a fresh installation of Mandrake 6.1 and soon
> > had all the previous services back working.
> >
> > Unfortunately, this didn't solve the problem; today it was refusing
> > connections again. Most puzzling, when I came to the server room to
> check
> > it out, it started (or had already started, possibly) working again.
> (All
> > I did was log in as root open localhost with lynx.)
> >
> > What might be going on? (I'll be happy to supply any additional
> > information that's needed.)
> >
> somebody logged out and freed up his share of whatever resource you were
> out of. I think there are configurable limits for each service, but if
> you had problems with all services at once, probably you are out of some
> resource needed by all.
>
> > TIA.
> >
> >
> > Jeff Nelson
> >
> >
> Lawson
> ---cut here
>
>
>
>
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