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Re: Telnet with RH8.0



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On Fri, 13 Dec 2002 07:51:21 -0800, Jesse Keating wrote:

> > Hehe. :) Consider yourself lucky. But it's not convincing enough.
> > Watch this:
> >
> > $ /sbin/chkconfig --list | grep news
> > $ /sbin/chkconfig --list | grep nntp
> > $ /sbin/chkconfig --list leafnode
> > leafnode        on
> 
> Huh?  what does this prove?

Uhm, it doesn't prove anything. It is just one reason why I'm not
convinced that "chkconfig --list | grep foo" is any better than
"chkconfig --list foo". Because if I let "grep" search for a wrong
pattern, it doesn't find anything either.

It all boils down to whether you have every service name in your
head. If you think the web service is called "apache", the following
two commands would both fail:

$ /sbin/chkconfig --list | grep apach
$ /sbin/chkconfig --list apache
error reading information on service apache: No such file or directory

Forgetting the 'd' at the end of "chkconfig --list http" may happen,
but using shell history it can be added easily.

The message was a reply to:

> Yes but my way always works.  Which in the long run will save you
> typing and frustration.

> ]$ chkconfig --list http
> error reading information on service http: No such file or directory
> ]$ chkconfig --list |grep http
> httpd           0:off   1:off   2:off   3:off   4:off   5:off   6:off
> ]$ chkconfig --list yp
> error reading information on service yp: No such file or directory
> ]$ chkconfig --list |grep yp
> ypbind          0:off   1:off   2:off   3:on    4:on    5:on    6:off
> yppasswdd       0:off   1:off   2:off   3:off   4:off   5:off   6:off
> ypserv          0:off   1:off   2:off   3:off   4:off   5:off   6:off
> ypxfrd          0:off   1:off   2:off   3:off   4:off   5:off   6:off

- -- 
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