Re: [CentOS] Couple of CentOS 5.2 dhcp notes

2008-07-07 Thread Filipe Brandenburger
Hey,

On Sun, Jul 6, 2008 at 7:39 PM, Ian Forde <[EMAIL PROTECTED]> wrote:
> In fact, here's the output... (IP, hostname, and Mac info changed...)
>
> [EMAIL PROTECTED] etc]# dhcpd
> Internet Systems Consortium DHCP Server V3.0.5-RedHat
> Copyright 2004-2006 Internet Systems Consortium.
> All rights reserved.
> For info, please visit http://www.isc.org/sw/dhcp/
> Wrote 0 leases to leases file.
> Listening on LPF/eth0/00:00:de:ad:be:ef/10.0.0/24
> Sending on   LPF/eth0/00:00:de:ad:be:ef/10.0.0/24
> Sending on   Socket/fallback/fallback-net
> [EMAIL PROTECTED] etc]# echo $?
> 0
> [EMAIL PROTECTED] etc]# !ps
> ps -ef | grep dhcpd
> root 15058 11173  0 16:36 pts/000:00:00 grep dhcpd
> [EMAIL PROTECTED] etc]#

Try to strace it:

[EMAIL PROTECTED] etc]# strace -f -tt -s 1024 -o /tmp/dhcpd_strace.txt dhcpd

Then check /tmp/dhcpd_strace.txt (I suggest starting from the bottom)
and see why it exited or died. The strace might give you a good clue
of what happened, and even if it tried to log anything
(unsuccessfully?) before being terminated.

HTH,
Filipe
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Re: [CentOS] Couple of CentOS 5.2 dhcp notes

2008-07-06 Thread Ian Forde
On Sun, 2008-07-06 at 19:34 -0400, Marko A. Jennings wrote:
> On Sun, July 6, 2008 6:57 pm, Ian Forde wrote:
> > 1. Apparently, since I updated from 5.1 to 5.2, dhcpd no longer wants to
> > stay running.  The config is sound, and I can start it from the
> > command-line with the "-d" flag and it serves up leases.  But without
> > the -d flag, it just silently dies...
> 
> What exit code does it return when you execute it from the command line
> without the "-d" flag?

0

In fact, here's the output... (IP, hostname, and Mac info changed...)

[EMAIL PROTECTED] etc]# dhcpd
Internet Systems Consortium DHCP Server V3.0.5-RedHat
Copyright 2004-2006 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
Wrote 0 leases to leases file.
Listening on LPF/eth0/00:00:de:ad:be:ef/10.0.0/24
Sending on   LPF/eth0/00:00:de:ad:be:ef/10.0.0/24
Sending on   Socket/fallback/fallback-net
[EMAIL PROTECTED] etc]# echo $?
0
[EMAIL PROTECTED] etc]# !ps
ps -ef | grep dhcpd
root 15058 11173  0 16:36 pts/000:00:00 grep dhcpd
[EMAIL PROTECTED] etc]# 

-I

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Re: [CentOS] Couple of CentOS 5.2 dhcp notes

2008-07-06 Thread Marko A. Jennings
On Sun, July 6, 2008 6:57 pm, Ian Forde wrote:
> 1. Apparently, since I updated from 5.1 to 5.2, dhcpd no longer wants to
> stay running.  The config is sound, and I can start it from the
> command-line with the "-d" flag and it serves up leases.  But without
> the -d flag, it just silently dies...

What exit code does it return when you execute it from the command line
without the "-d" flag?
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Re: [CentOS] Couple of CentOS 5.2 dhcp notes

2008-07-06 Thread Ian Forde
On Sun, 2008-07-06 at 19:12 -0400, Marko A. Jennings wrote:
> On Sun, July 6, 2008 6:57 pm, Ian Forde wrote:
> > 1. Apparently, since I updated from 5.1 to 5.2, dhcpd no longer wants to
> > stay running.  The config is sound, and I can start it from the
> > command-line with the "-d" flag and it serves up leases.  But without
> > the -d flag, it just silently dies...
> 
> Mine has been working without any problems before and after the 5.2
> update.  You might want to consider posting your configuration file.

Well, I stripped it down as much as I could - same problem exists... (IP
addresses and domain name changed, of course...)

ddns-update-style none;
ignore client-updates;

subnet 10.0.0.0 netmask 255.255.255.0 {
range dynamic-bootp 10.0.0.101 10.0.0.200;
default-lease-time 86400;
max-lease-time 604800;
option subnet-mask 255.255.255.0;
option broadcast-address 10.0.0.255;
option routers 10.0.0.1;
option domain-name-servers 10.0.0.75, 10.0.0.76;
option domain-name "mydomain.com";
}

But like I was saying before, if it were a config problem, it wouldn't
have been able to start on the command-line in non-daemon mode.  Same
problem when I downloaded it from www.isc.org (3.0.7) and rolled a
source build.  So there's definitely something strange (or obvious that
I'm missing) going on...

-I

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Re: [CentOS] Couple of CentOS 5.2 dhcp notes

2008-07-06 Thread Marko A. Jennings
On Sun, July 6, 2008 6:57 pm, Ian Forde wrote:
> 1. Apparently, since I updated from 5.1 to 5.2, dhcpd no longer wants to
> stay running.  The config is sound, and I can start it from the
> command-line with the "-d" flag and it serves up leases.  But without
> the -d flag, it just silently dies...

Mine has been working without any problems before and after the 5.2
update.  You might want to consider posting your configuration file.

Marko
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