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Full Discussion: Modifying/Adding in the DNS server entry using shell script
Top Forums Shell Programming and Scripting Modifying/Adding in the DNS server entry using shell script Post 302847539 by VKIRUPHAKARAN on Tuesday 27th of August 2013 07:39:26 AM
Old 08-27-2013
Modifying/Adding in the DNS server entry using shell script
Dear Experts.

I need to add/modify the entries in the DNS server and this has to be achieved using shell script and below is the requirement, could you please let me know if a shell script can be written for this task?

Code:
1. Log in to primary DNS server
2. Check /etc/named.conf if zone is already created (grep –i 10.0.11 named.conf)
     Eg: if want to add server 10.0.11.13 in to DNS
zone "11.0.10.in-addr.arpa" in {
type master;
file "db.10.0.11";
};
3. If zone is already there go to /var/named
4. Then add server entry in file db.10.0.11
EG: 13 IN PTR servername.fg.net. And modify the serial number to yyyymmdd as below highlighted. 
Suppose if entry is made on 20th November enter the serial number as 20111120
root@PDNS1A101 # cat db.10.0.99
$TTL 5h
;SOA rec
99.0.10. in-addr.arpa. IN SOA PDNS1A101.fg.net. root.PDNS1A101.fg.net. ( 20090101; serial number ( you should change to 20111120)
10800; refresh every 3 hours
10800; retry every 3 hours
604800; expire after a week
86400) ; TTL of 1 day
; Name Servers
99.0.10.in-addr.arpa. IN NS PDNS1A101.fg.net.
;Pointer records for 10.0.99
11 IN PTR PSPROA167.fg.net.
12 IN PTR PSPROD055.fg.net.
5. Add entry in db.fg.net (please change serial number here also)
6. Restart dns service -- svcadm restart dns/server

Last edited by vbe; 08-27-2013 at 08:47 AM..
 

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LEARN ABOUT CENTOS

avahi-dnsconfd.action

avahi-dnsconfd.action(8)				      System Manager's Manual					  avahi-dnsconfd.action(8)

NAME

       avahi-dnsconfd.action - avahi-dnsconfd action script

SYNOPSIS

       /home/lennart/tmp/avahi/etc/avahi/avahi-dnsconfd.action

DESCRIPTION

       avahi-dnsconfd.action  is  the  action  script  that is called whenever a new unicast DNS server is found or removed by avahi-dnsconfd. The
       default script as shipped with avahi patches /etc/resolv.conf to reflect the changed unicast DNS server configuration.

PARAMETERS

       argv[1] Contains the character "+" if the DNS server is new, "-" when it shall be removed from the DNS server list.

       argv[2] The IP address of the DNS server.

       argv[3] Numerical network interface number this DNS server was found on.

       argv[4] Numerical protocol number this DNS server was found on. (usually 2 for IPv4 and 10 for IPv6)

ENVIRONMENT

       AVAHI_INTERFACE Contains the textual interface name the corresponds with argv[3]. (e.g. "eth0")

       AVAHI_INTERFACE_DNS_SERVERS Contains a list of all DNS servers that avahi-dnsconfd found on the interface  $AVAHI_INTERFACE,  separated	by
       spaces.

       AVAHI_DNS_SERVERS Contains a list of all DNS server that avahi-dnsconfd found on all interfaces, separated by spaces.

AUTHORS

       The Avahi Developers <avahi (at) lists (dot) freedesktop (dot) org>; Avahi is available from http://avahi.org/

SEE ALSO

       avahi-dnsconfd(8), avahi-daemon(8)

COMMENTS

       This man page was written using xml2man(1) by Oliver Kurth.

Manuals 							       User						  avahi-dnsconfd.action(8)
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