After changing IP address on Virtualmin DNS cluster name server, lots of propogation issues
Virtualmin tries to take care of global changes such as an IP address change. However, if you have many domains, you’ll find this actually requires
bind
Turning off bind named recursion on a CentOS server and so avoiding an open resolver
Turning off recursion in Bind is incredibly tricky across RedHat versus Ubuntu distributions. The reason for this is there are so many directories and configuration
Webmin Cluster Name Servers (Bind) Troubleshooting
Background Here are some Bind troubleshooting tips. These tips are related to Webmin’s Cluster name servers which are used by Virtualmin when creating a name
Virtualmin Bind configuration on CentOS 7 gone after upgrading to Virtualmin 7.2 or Webmin 1999
If you’re running a Virtualmin system, and all of a sudden your backups are failing with errors like these: Creating backup for virtual server example.com ..
How to change the BIND DNS zone file format using Webmin
When doing a Domain Health Check on MX Toolbox you might be concerned because you receive the following message: SOA Serial Number Format is Invalid
How to ensure bind stores it’s zone files in plan text instead of raw / binary format
Background Bind 9.9 stores zone files in raw format. This makes is hard to troubleshoot, or perform scripted bulk operations on many files. There is
How to use Virtualmin / Webmin in a name server hierarchy
Introduction To use a primary/secondary (aka master/slave) name server configuration with Virtualmin / Webmin, you need a few things but it’s super easy: 1. A
Bind fails but no log file that show anything
Your named server suddenly stops working. You go into a mild panic because restarting the service doesn’t show you where it’s failing. It’s as if
Bind fails to start open: /etc/named.conf: permission denied
The log file shows: Mar 14 10:49:10 hostname named[30884]: using 4 UDP listeners per interface Mar 14 10:49:10 hostname named[30884]: using up to 21000 sockets Mar 14
Failed to create virtual server : New virtual server has no IP address! Perhaps Virtualmin could not work out the system’s default IP.
Whilst creating a new virtual server on Virtualmin, you get this message: “Failed to create virtual server : New virtual server has no IP address!