Set Up DNS

Skip this procedure if the security administrator has planned a closed network.

For detailed information about DNS, see the Federated Naming Service Guide.

If you are using DNS to contact hosts outside of your domain, you must:

1. Create a resolv.conf file with the appropriate name servers using the Set DNS Servers action.

   1. Enter the string nameserver followed by the IP address of one of your name servers, and repeat for all name servers.

      The file looks something like:

      nameserver nnn.nnn.nnn.nnn nameserver nnn.nnn.nnn.nnn

   2. Write the file and exit the editor.

2. Edit the hosts entry in the /etc/nsswitch.conf file to use DNS. The action is Name Service Switch.

   1. Change the hosts entry to:

      ~
      #hosts:      nisplus [NOTFOUND=return] files
      #Uncomment the following line, and comment out the above,
      #to use both DNS and NIS+.  You must also set up the
      #/etc/resolv.conf file for DNS name server lookup.
      #See resolv.conf(4).
      hosts:      files nisplus dns
      ~

   2. Write the file and exit the editor.