Tagged: System Administrator

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Fedora CoreOS preview released: fire the Ignition

Following the acquisition of CoreOS last year, Red Hat announced it would integrate CoreOS into its ecosystem. This was the birth of Fedora CoreOS, a great announcement, but no real build… until now. Fedora CoreOS is...

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CephFS: a beginner’s guide

Ceph is the open source Software Defined Storage (SDS) king. By default Ceph stores objects, but did you know that you can use it to store files in a filesystem too? Or even replace Hadoop’s HDFS?...

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RBD storing images in Ceph for the beginner

Ceph is the open source Software Defined Storage (SDS) king. By default Ceph stores objects, how can you use it to store block devices such as virtual machines disks? For that purpose you can use RBD,...

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Ceph pools: a beginner’s guide

So you’ve got your Ceph cluster up and running but you don’t know your way around its innards. That’s perfectly fine, this guide is for you. Let’s learn how to manage a fundamental piece of Ceph:...