Welcome to Proxy’s Restaurant at the End of the universe

As Marvin, the paranoid android, parks spaceships for five hundred and seventy-six thousand million years while Zaphod, Trillian, Arthur and Ford are dining in the restaurant at the end of the universe, we at Proxy take some time to show you what keeps the mind of a Proxy technician humming. If […]


Ansible to ease my day to day work

Brief introduction During the past year I was working for an educational institute in the Netherlands. One might think that an institute as such would make use of the latest and greatest technologies, however this was not quite the case. Hence, there was no configuration management available at all. All tasks were done […]


Red Hat Summit 2018 SF

Red Hat Summit 2018 in San Francisco is nu voorbij en het is de hoogste tijd de balans op te maken van 25ste keer dat Red Hat dit evenement voor klanten en partners organiseert. Openshift en containers waren – net als vorig jaar – één van de belangrijkste onderwerpen. Verder […]


Red Hat Storage Masterclass – Barcelona

In maart van 2016 organiseerde Red Hat een Storage Masterclass in Barcelona. Een tweedaagse bijeenkomst waarin de storageproducten van Red Hat besproken werden. Het doel was om sales en pre-sales specialisten bij te praten over de producten en de toepassingen ervan. De eerste dag van de Storage Masterclass stond in […]


Next generation, Opensource Performance Management

Tradional opensource performance management tools like Cacti, MRTG all have the same problem. Due to the way they store their metrics in multiple files they are unable to store all the data in due time. New techniques like timeTime-series databases are able to process metric data in a much faster […]


Chrooted sftp with key authorization

This post will show you how to set-up chrooted sftp for a set defintion of users. These users can only sftp to this chroot, no scp, ssh, ftp, x11 or portforwarding. We assume here that selinux is enabled, if you don’t run selinux you can skip the section for setting […]


OSBConf 2015

For the first time I went to OSBconf, an Opensource Backup Conference. Day 1 Day 1 started with a hacking workshop on the new Bareos Python plugin interface. The Python plugin interface makes it easy to hook in at many points of the backup process: manipulate filesets, do pre- and post-processing, […]


First thoughts about Ansible

Yesterday I’ve joined a workshop @IT Gilde about Ansible from Marcel Nijenhof. Ansible is an automation language next to Puppet, CFEngine etc. I will write mostly about Ansible compared to Puppet, cause that’s what I know 🙂 Ansible is easy in many ways. Installation is just a bunch of python code. Available with your favorite package […]


Backup your Mac on CentOS 6.5

I’ve been using Mac’s for several years now and wouldn’t want anything else as a laptop. Making a backup is essential of course and for this I use build-in TimeMachine. This requires a ‘TimeCapsule’ which you can buy at Apple or you can build your own on Linux with Netatalk, […]


Best lecture nomination: Ceph

My nomination for the best lecture of the nluug spring conference 2014 is “Ceph” from “Wido den Hollander”. In this lecture Wido describes the object store Ceph. Ceph is a self replicating distributes object store which you can access through it’s own protocol. There are applications to use Ceph as: […]


Tuning ftp.nluug.nl

Performance tuning a public mirror server Speaker: Mike Hulsman (Proxy) Abstract ftp.nluug.nl is a public mirror server running since the beginning of the 90’s, which currently transfers 4TB of data every day. This talk will provide some background on the service it provides. We discuss a history of the environment. […]