Blog & News
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Gleichmäßigere Performance virtueller Festplatten durch IO-Limits
Erstellt von Christian Theune | | BlogMit dem nächsten Release unserer Gentoo-Plattform werden wir für alle virtuellen Maschinen die Geschwindigkeit der Festplatten neu regulieren. Die neuen Regeln sorgen dafür, dass die in unserem Cluster insgesamt verfügbare Performance gleichmäßiger…
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Downloading and extracting files with batou
Erstellt von Frank Lanitz | | BlogDuring our daily work with deployments it is kind of routine to customize a package downloaded from the internet. In most cases this means downloading a tar file, extracting it and finally to modify some of its content to fit our needs.
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PostgreSQL version migration
Erstellt von Christian Zagrodnick | | BlogMigrating PostgreSQL from one version to another has become pretty easy. Using pg_upgrade it takes a few seconds to upgrade even a 100GiB database. It becomes interesting when you switch platforms, say from 32bit to 64bit, as we are facing it with…
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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…