Category: Tutorials

Sweet tutorials for your eyes only : )

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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:...

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How to install ceph with ceph-ansible

ceph-ansible is the most flexible way to install and manage a full-blown Ceph cluster. Whilst not the easiest way, it isn’t too difficult and can produce production-grade clusters. Let’s take a look.

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VDO: Linux deduplication and how to use it

Following Red Hat acquisition of Permabit Technologies, the former decided to release the latter proprietary technology: VDO, as open source. But what is VDO and how can you use it?

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How to install oVirt node 4.2 on baremetal

oVirt node is the easiest way to provision a machine to use with oVirt. Installing it is pretty simple if you’ve installed Fedora/CentOS in the past. Let’s take a look at how to install oVirt node...

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How to install and use Snap on Ubuntu

Snapcraft is a next-generation package manager by Canonical. Using Snap you can install complex applications with one click, let’s take a look at how to install Snap and use it!