Automatically creating entries in PowerDNS for Amazon EC2 instances

code
April 18th, 2011

By default, instances created on Amazon EC2 will have a randomly assigned IPv4 address, which is why we’ve written a script to automatically create DNS entries in PowerDNS for instances managed through EC2.

More...


Published our repositories

puppet
April 15th, 2011

We published our internally developed puppet modules.

More...


Kumina into the cloud; creating Amazon EC2 images

kumina_to_the_cloud
April 13th, 2011

In order to make use of Amazon EC2 to its full potential, it is important that we can quickly spawn Debian installations that are automatically configured using Puppet. We accomplish this by creating our own Kumina-branded Amazon Machine Image (AMI).

More...


Our fix for Squeeze-backports “Expired Release file”

code
April 6th, 2011

Quick fix for the squeeze-backport expired Release file, if you use your own apt proxy.

More...


On our puppet module design

puppet
April 6th, 2011

An explanation on how we build our modules. Fairly high level.

More...


Monitoring DNS server synchronicity

code
April 4th, 2011

We, along with some customers, have our authoritative DNS setup with 1 PowerDNS master(which is unreachable over the internet), running poweradmin, and 2 BIND9 slaves(which are ns1 and ns2). This setup works great, but there is a bug in (older versions of) PowerAdmin and one in BIND that together can cause some havoc.

More...


ANNOUNCEMENT: Microsoft Windows support coming soon!

April 1st, 2011

Kumina is happy to announce it’s in the process of switching all its managed servers from Debian Linux to Microsoft Windows. Due to high demand, it was decided last January that this would be a good time to switch from Linux to Windows.

More...


Facter facts for memory in bytes

code
March 22nd, 2011

By default facter returns the free and total memory and swap of a machine only in GB or MB. To remedy this we rewrote the memory.rb bundled with Puppet to return the numbers in bytes.

More...


Kumina helps companies innovate with the power of open source software. As specialists in managed IT operations since 2007, our mission is simple: building and managing the perfectly tailored technical infrastructures that allow our clients to thrive.

With fully managed solutions, we help our customers unlock the full potential of the cloud and Kubernetes. Our team also supports organisations with IT consulting and Kubernetes training courses. Learn more about our services or get in touch, we would love to hear about your business and projects.