Novell LINUX ENTERPRISE SERVER 10 - INSTALLATION AND ADMINISTRATION 11-05-2007 Installation Manual page 947

from another machine. If you can reach your machine from another machine,
it is the server that is not running at all or not configured correctly.
If ping fails with unknown host, the name service is not configured cor-
rectly or the hostname used was incorrect. Use ping -n ipaddress to
try to connect to this host without name service. If this is successful, check
the spelling of the hostname and for a misconfigured name service in your
network. For further checks on this matter, refer to
ping still fails, either your network card is not configured correctly or your
network hardware is faulty. Refer to
this.
4b Use host hostname to check whether the hostname of the server you
are trying to connect to is properly translated into an IP address and vice
versa. If this command returns the IP address of this host, the name service
is up and running. If the host command fails, check all network configura-
tion files relating to name and address resolution on your host:
/etc/resolv.conf
This file is used to keep track of the name server and domain you are
currently using. It can be modified manually or automatically adjusted
by YaST or DHCP. Automatic adjustment is preferable. However, make
sure that this file has the following structure and all network addresses
and domain names are correct:
search fully_qualified_domain_name
nameserver ipaddress_of_nameserver
This file can contain more than one name server address, but at least
one of them must be correct to provide name resolution to your host. If
needed, adjust this file using the YaST DNS and Hostname module.
If your network connection is handled via DHCP, enable DHCP to
change hostname and name service information by selecting Change
Hostname via DHCP and Update Name Servers and Search List via
DHCP in the YaST DNS and Hostname module.
/etc/nsswitch.conf
This file tells Linux where to look for name service information. It should
look like this:
Step 4b
Step 4c (page 930) for information about
Common Problems and Their Solutions
(page 929). If
929