Suse 10 SP3 won't ping hostname Post: 302445120

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Top Forums UNIX for Dummies Questions & Answers Suse 10 SP3 won't ping hostname Post 302445120 by kopper on Friday 13th of August 2010 11:17:13 PM

08-14-2010

Registered User

Suse 10 SP3 won't ping hostname

hi guys

I got something I haven't been able to fix
I configure a Linux Suse 10 box, added static IP, DNS (resolv), gateway (routes) but I am not able to ping other servers by name but nslookup works and the server can navigate on internet
check below
the problematic server is server-host20

Code:

# ping server-host1
ping: unknown host server-host1

# nslookup
> server-host1
Server:         192.168.1.2
Address:        192.168.1.2#53

Name:   server-host1.devmachines.com
Address: 192.168.1.20

other server can ping that server by name just fine

all my network information
by the way my server can ping DNS server by name just ok and as you see nslookup works

Code:

cat /etc/hosts
127.0.0.1       localhost.dominio.local localhost

# special IPv6 addresses
::1             localhost ipv6-localhost ipv6-loopback

fe00::0         ipv6-localnet

ff00::0         ipv6-mcastprefix
ff02::1         ipv6-allnodes
ff02::2         ipv6-allrouters
ff02::3         ipv6-allhosts
192.168.1.101   server-host20.devmachines.com

---------------------
#cat /etc/resolv.conf
nameserver 192.168.1.2
nameserver 192.168.1.3
search devmachines.com


# cat routes
192.168.1.15 - -

-------------------------------
# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.1.0     *               255.255.255.0   U     0      0        0 eth3
link-local      *               255.255.0.0     U     0      0        0 eth3
loopback        *               255.0.0.0       U     0      0        0 lo
default         192.168.1.15    0.0.0.0         UG    0      0        0 eth3

any idea guys?

thanks a lot

kopper

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LEARN ABOUT CENTOS

unbound-streamtcp

unbound-streamtcp(1)						      unbound						      unbound-streamtcp(1)

NAME

       unbound-streamtcp - unbound DNS lookup utility

SYNOPSIS

       unbound-streamtcp [-unsh] [-f ipaddr[@port]] name type class

DESCRIPTION

       unbound-streamtcp sends a DNS Query of the given type and class for the given name to the DNS server over TCP and displays the response.

       If  the	server to query is not given using the -f option then localhost (127.0.0.1) is used. More queries can be given on one commandline,
       they are resolved in sequence.

       The available options are:

       name   This name is resolved (looked up in the DNS).

       type   Specify the type of data to lookup.

       class  Specify the class to lookup for.

       -u     Use UDP instead of TCP. No retries are attempted.

       -n     Do not wait for the answer.

       -s     Use SSL.

       -h     Print program usage.

       -f ipaddr[@port]
	      Specify the server to send the queries to. If not specified localhost (127.0.0.1) is used.

EXAMPLES

       Some examples of use.

       $ unbound-streamtcp www.example.com A IN

       $ unbound-streamtcp -f 192.168.1.1 www.example.com SOA IN

       $ unbound-streamtcp -f 192.168.1.1@1234 153.1.168.192.in-addr.arpa. PTR IN

EXIT CODE

       The unbound-streamtcp program exits with status code 1 on error, 0 on no error.

AUTHOR

       This manual page was written by Tomas Hozza <thozza@redhat.com>.

NLnet Labs							   Mar 21, 2013 					      unbound-streamtcp(1)