[Nagiosplug-help] Problem with check_dns plugin in chroot

Subhendu Ghosh sghosh at sghosh.org
Wed Sep 25 12:45:02 CEST 2002


On Wed, 25 Sep 2002, Eric Vollmer wrote:

> Hello, I am currently in the process of migrating from NetSaint to Nagios.
> On the FreeBSD 4.6.2 machine I keep getting:
> '/kernel: pid PID#, uid 1002: exited on signal 11 (core dumped).
> 
> I am running Nagios within a chroot which worked fine with the old NetSaint
> on FreeBSD 4.3.  If I run the check_dns command from the prompt outside
> the chroot everything works fine.
> 
> # ./check_dns -v -H www.yahoo.com -s 216.238.0.10
> /usr/sbin/nslookup www.yahoo.com 216.238.0.10
> Server:  nscache1.thebiz.net
> 
> Address:  216.238.0.10
> 
> 
> 
> Non-authoritative answer:
> 
> Name:    www.yahoo.akadns.net
> 
> Addresses:  66.218.71.86, 66.218.71.81, 66.218.71.87, 66.218.71.83
> 
> DNS ok - 1 seconds response time, Address(es) is/are  66.218.71.86, 
> 66.218.71.81, 66.218.71.87, 66.218.71.83
> 
> 
> 
> Inside the chroot it fails.  This is what that looks like.
> 
> # ./check_dns -v -H www.yahoo.com -s 216.238.0.10
> /usr/sbin/nslookup www.yahoo.com 216.238.0.10
> Segmentation fault (core dumped)
> 
> This is what is in my /etc directory of the chroot
> group
> login.conf
> master.passwd
> passwd
> pwd.db
> rc.d
> services
> localtime
> mail
> pam.conf
> protocols
> rc
> resolv.conf
> spwd.db
> 
> 
> Has anyone else seen the same issues in a similar environment?  Any help would
> be greatly appreciated.
> 
> Eric Vollmer
> ericv at thebiz.net
> 

Can you run "/usr/sbin/nslookup www.yahoo.com 216.238.0.10" within the 
chroot env?


-- 
-sg





More information about the Help mailing list