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An Oracle blog about Middlware

  • July 18, 2014

DNS (Domain Name System) configuration in Solaris 10 & older

Arda Eralp
Principal Consultant

Step 1: Check /etc/resolv.conf file

/etc/resolv.conf file includes the primary and secondary DNS server IP address for Solaris system.

Step 2: Open & Edit /etc/resolv.conf

#vi /etc/resolv.conf

Add the following lines to it:

nameserver      10.xx.xx.223
nameserver 10.xx.xx.224
search domain

dns.oracle.com

Step 3: Enable the name resolving using DNS

#cp /etc/nsswitch.dns /etc/nsswitch.conf

Step 4: Test new name server

#/usr/sfw/sbin/nslookup dns.oracle.com

Output:

Server: xx.oracle.com
Address: 10.xx.xx.223
Non-authoritative answer:
Name: dns.oracle.com
Address: 10.xx.xx.224

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Comments ( 2 )
  • guest Friday, July 18, 2014

    Be aware that this procedure won't work for Solaris 11+.


  • guest Tuesday, July 22, 2014

    Your advice is for Solaris 10 or older. Solaris 11 uses properties within SMF, not /etc/resolv.conf and /etc/nsswitch.conf.

    For up-to-date advice, see for example:

    http://www.timwort.org/sol11tips/Configuring_Sol11_DNS_Client.pdf

    I'd also recommend using the following command to check the configuration:

    getent hosts <hostname> (e.g. getent hosts dns.oracle.com)

    This will test both the DNS client configuration and the name service switch configuration, whereas nslookup will only test the DNS client configuration.


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