Blog & News
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Ceph performance learnings (long read)
Erstellt von Christian Theune | | BlogWe have been using Ceph since 0.7x back in 2013 already, starting when we were fed up with the open source iSCSI implementations, longing to provide our customers with a more elastic, manageable, and scalable solution. Ceph has generally fulfilled…
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Introducing vulnix - a vulnerability scanner for NixOS
Erstellt von Maksim Bronsky | | BlogAs we are in the preliminary phase of releasing our new NixOS based platform as a stable, security related topics gain further momentum. The question of how and when a system is affected by a security flaw is certainly not only related to our…
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Automatic installation of Oracle Java
Erstellt von Christian Zagrodnick | | BlogOur customers at times require Oracle Java for their applications. Our new platform is based on NixOS. As with most Linux distributions, Oracle Java cannot be installed just like that. Oracle's license prevents redistribution or direct downloading…
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Thoughts on systems management methods
Erstellt von Christian Kauhaus | | BlogWhy Order Matters: Turing Equivalence in Automated Systems Administration (by Steve Traugott and Lance Brown) 15 years ago has been a career-changing moment for me. In this blog post, I will explore the meaning of some of the points made in this…
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Improving Ceph OSD start-up behaviour with vmtouch
Erstellt von Christian Kauhaus | | BlogWe have a love/hate relation ship with Ceph. On one hand, it is probably the best open source distributed storage around. On the other hand, Ceph repeatedly exhibits unexpected behaviour under high load. And it is absolutely correct that you expect…