Using munin to trend puppetmaster

Graph created by puppet_node
April 27th, 2011

We wanted to trend our puppetmaster to give us an idea of the amount of nodes and the time it takes to compile a catalog. Searching on the web didn’t yield the results we needed, so we made our own.

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Deploying sudo rules via puppet, the Kumina way

puppet
April 22nd, 2011

We wanted to give some of our customers the ability to restart some of their own services on their development environment. To be able to do this we made a puppet module.

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Cassandra: java.io.IOError: java.io.IOException: Map failed

Cassandra-Logo
April 20th, 2011

How we solved a problem with the machine hitting max mmap count.

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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.

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Published our repositories

puppet
April 15th, 2011

We published our internally developed puppet modules.

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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).

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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.

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On our puppet module design

puppet
April 6th, 2011

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

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Kumina designs, builds, operates and supports Kubernetes solutions that help companies thrive online. As Certified Kubernetes Service Partner, we know how to build real solutions.