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First, if at all possible, do not expose your master server (the one where all the changes should occur) to the internet.
Even if it means building a small VM session to host a hidden master, it makes moving stuff around and keeping it secure far easier.
Apparently they are using 3U prehistoric servers running Ubuntu server 8.04.
I'll get to install 2x 1U servers with Ubuntu server 9.04. What folders/configuration files do I need to transfer?
As an example, here's part of my bind layout (in /etc/bind): -rw-r----- 1 root bind 2.6K 2009-08-07 -rw-r----- 1 root bind 112K 2009-07-24 named.-rw-r----- 1 root bind 112K 2009-07-24 named.-rw-r----- 1 root bind 792 2009-07-01 named.-rw-r----- 1 root bind 834 2009-07-01 named.-rw-r----- 1 root bind 373 2009-07-01 -rw-r----- 1 root bind 131 2009-07-01 populating a new master by first making it a slave is a bad idea - it loses the original line order and formatting of the zone files, including all comments.
to the front of the record: blah.A 18.104.22.168 TXT "main blah server for Toledo" womble's answer is good.
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I got a job to migrate 2x BIND DNS servers to new hardware.
Result (if any): bind-dyndb-ldap plugin used to provision data from Identity Management DNS tree to the BIND Name Server updates DNS zone SOA serial number every time when the DNS zone or its record is modified, thus allowing Administrators to configure a slave DNS server for zones managed by Identity Management.
allow-notify applies to slave zones only and defines a match list, for example, IP address(es) that are allowed to NOTIFY this server and implicitly update the zone in addition to those hosts defined in the masters option for the zone.
The cache-only DNS server is also known as resolver, which will query DNS records and fetch all the DNS details from other servers, and keep each query request in its cache for later use so that when we perform the same request in the future, it will serve from its cache, thus reducing the response time even more.