Marksei Weekly sysadmin pills

Istio logo 0

Istio: the service mesh king for Kubernetes

In Kubernetes everything goes lightning fast. Every single bit could change any moment, in any container, literally. Although Kubernetes is getting more polished at each release, there still are things that are a bit rough around...

Fedora Logo 0

Fedora 30 new features: Where’s CoreOS?

Fedora 30 is the newest release of 2019 of the popular power user distribution: Fedora. Fedora is the base for Red Hat Enterprise Linux and it is favored among developers. Let’s discover what will change in...

Ceph logo 0

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?...

Ceph logo 0

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,...

Ceph logo 0

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:...

Storage area network 0

F5 to acquire NGINX in $670m deal

In a not-so-unexpected turn of the events NGINX will be acquired by F5, a company specializing in Application Delivery Networking, cloud services and networking components.

Ceph logo 0

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.