All Categories for hastexo

Becoming a part of City Network

hastexo Academy: Now with OpenStack Newton & Juju 2.0!

Fragile Development: Scrum is terrible, and you should ditch it

HX201 is live! OpenStack training doesn't get better than this

Five Days of Ceph at PSA Peugeot Citroën

We Built a SLES12 SP1 OpenStack Image So You Don't Have To

Containers: Just Because Everyone Else is Doing Them Wrong, Doesn't Mean You Have To

Dogfooding Dogwood

HX212 is live! Our hottest Ceph course just got better.

The new hastexo Academy

Brand New Everything

My first Open edX contribution

OpenStack Certification is coming, and we support it

Welcome, Deena Cooper!

Kilo is ready, and so are we! Are you?

Spreading knowledge: OpenStack and Ceph in New Zealand and Germany

Get trained on OpenStack Juno!

Grab our OpenStack Summit Training Discounts while they're hot!

Hooray for Juno!

Last chance to vote for OpenStack Summit talks!

A little clarification...

News from the hastexo training department

Hungry for Icehouse? Want to learn? GigaSpaces is here to help!

Last call for OpenStack Israel talk submissions!

Catch Martin Loschwitz and Syed Armani talking about Ceph this week!

Hey Brazil! Adolfo wants to talk to you about OpenStack!

Voting for the OpenStack Summit is under way, cast your votes today!

Want to be the first to learn about OpenStack Icehouse? Make plans to come to Berlin! 2014, or My Annual Journey To Awesome

Três turmas de OpenStack em São Paulo

More OpenStack training: calling all SampaStackers!

Understanding packet flows in OpenStack Neutron setups

hastexo Academy OpenStack training coming to Munich!

hastexo Academy joins OpenStack training program

Vote vote vote! 3 days left

Puppet, OpenStack, Kickstack, oh yeah!

So, you want to be an OpenStack blogger? Here's how.

Bem-vindo, Adolfo Brandes!

OpenStack Italia User Group Meetup, Milan, June 20

Up for a challenge? Here's the OpenStack Essentials quiz!

hastexo returns to the OpenStack Summit as a sponsor!

Enter the cuttlefish!

It's May. It must be OpenStack Month!

On our cooperation with Inktank

3 days with Percona in Toronto

Welcome, Noah Mehl!

OpenStack Delhi Meetup

OpenStack meets PYUGAT: OpenStack-Community-Abend in Wien am 24. 02. 2013

Auf Draht in der Wolke: Das hastexo Cloud BootCamp for OpenStack kommt nach München!

OpenStack mini conference

High Availability Update: You can now vote our talk into the OpenStack summit!

Advance info for tomorrow's Ceph tutorial at

My week at 2013

Welcome, Syed Armani!

OpenStack DACH Community Event in Köln, Deutschland (9. Januar 2013)

OpenStack DACH Community Event in Cologne, Germany (Jan 9th, 2013)

GUUG FFG, CLT, OSDC ... Conferences coming up early 2013

Thoughts on "ecosystems"

A few words about collaborating with Rackspace

On the merits of working from home, in a distributed virtual team

An excellent quick trip to Budapest

Lots of OpenStack in my November schedule

Talking Ceph and GlusterFS at LinuxCon Europe

Want to be part of something awesome? Talk to me at the OpenStack Summit!

One year in!

Pacemaker and the recent GitHub service interruption

Find out what's new on OpenStack and High Availability - at the next Design Summit!

Speaking and BoFing at CloudOpen in San Diego!

OSMC 2012: I'm speaking!

OpenStack high availability and Ceph at OSCON!

Failover testing: some technical background

Hochverfügbarkeit für Icinga - Intensiv-Workshop im Vorfeld der OSMC

Want to install OpenStack Swift? Here's how to do it!

Imitation is the sincerest form of flattery

4 extra seats available in Cloud Bootcamp in Wellington!

Free OpenStack Workshop at LinuxTag!

Returning to Paris for OpenStack in Action 2: Production Ready

Our first Cloud Bootcamp is now Sold Out

An exciting day for the Ceph community

More details on OSCON 2012, and your chance to get in cheaper!

Coming to New Zealand!

A look back at my first OpenStack Design Summit & Conference

Presenting OpenStack at the LinuxTag 2012 in Berlin, Germany

Presenting OpenStack at the LinuxWochen 2012 in Vienna, Austria

Speaking at the Grazer LinuxTage 2012

Advance Info for High Availability Deep Dive attendees at MySQL conf

Bringing High Availability to OpenStack Keystone and Glance

Speaking at OSCON 2012

Feature article on Pacemaker in this month's Linux Journal

Presentation accepted for OpenStack Spring 2012 Conference

How to install OpenStack on Ubuntu 12.04

Announcing the High Performance High Availability Guide documentation project

High Availability in OpenStack

On my (ex-)maintainership of the DRBD User's Guide

Lots of new stuff on our web site

cluster-glue in Squeeze backports updated

Ceph: tickling my geek genes

Announcing Cloud Jumpstart for OpenStack™ – and your chance to get into LinuxTag for free!

Your own cloud with OpenStack: presentation at OSDC 2012, Apr 25-26 2012

OpenStack Spring 2012 Design Summit & Conference

hastexo is coming to CeBIT 2012!

Chemnitzer Linux-Tage, March 17-18, 2012 Chemnitz, Germany

Speaking at the 2012 Percona Live MySQL Conference

Removing buckets in radosgw (and their contents)

More recommendations for Ceph and OpenStack

Importing an existing Ceph RBD image into Glance

Replacing the built-in Open edX forum with a suitable alternative

The Dos and Don'ts for Ceph for OpenStack

Wiping and resetting your SUSE OpenStack Cloud Crowbar configuration

Pacemaker's best-kept secret: crm_report

Hosting a web site in radosgw

A minimal Ubuntu OpenStack Juju configuration in just four nodes

A Python one-liner for pretty-printing radosgw utilization

Understanding radosgw benchmarks

Fun with extended attributes in Ceph Dumpling

Unrecoverable unfound objects in Ceph 0.67 and earlier

Solid-state drives and Ceph OSD journals

Adding MySQL/Galera resources to Pacemaker

Bootstrapping the Galera cluster

Configuring Corosync

Dealing with node failure

MySQL/Galera in Pacemaker High Availability Clusters

Recovering from full cluster shutdown

Setting Galera-specific MySQL options

Starting Pacemaker

Testing resource recovery

Migrating virtual machines from block-based storage to RADOS/Ceph

Maintenance in active Pacemaker clusters

Configuring radosgw to behave like Amazon S3

Testing your Pacemaker cluster the proper way

Fencing in VMware virtualized Pacemaker nodes

Mandatory and advisory ordering in Pacemaker

Managing cron jobs with Pacemaker

What's a Totem "Retransmit List" all about in Corosync?

Finding out which OSDs currently store a specific RADOS object

Solve a DRBD split-brain in 4 steps

Checking Corosync cluster membership

Fencing in Libvirt/KVM virtualized cluster nodes

Network connectivity check in Pacemaker

GFS2 in Pacemaker (Debian/Ubuntu)

Interleaving in Pacemaker clones

OCFS2 in Pacemaker (Debian/Ubuntu)

High Availability and Disaster Recovery in OpenStack

Heat and its Alternatives: Application Deployment in OpenStack

CephFS and LXC: Container High Availability and Scalability, Redefined

OpenStack for Open edX: Inside and Out (SWITCH ICT-Focus 2015)

Clusters, Routers, Agents and Networks: High Availability in Neutron

Automated OpenStack deployment: A comparison

Open edX

OpenStack for Open edX: Inside and Out (Open edX Con 2015)

Manageable Application Containers: Lightning Quick Updates, Scaleable Security, Easy High Availability

OpenStack Orchestration and Automation

Ceph Tech Talk: Placement Groups

Have Data, Want Scale, Indefinitely: Exploring Ceph

Ceph Performance Demystified: Benchmarks, Tools, and the Metrics that Matter

OpenStack High Availability: Are We There Yet?

Hacking OpenStack for Padawans

An introduction to OpenStack (LinuxTag 2014)

Hands On Trove: Database as a Service in OpenStack

OpenStack & Ceph: A perfect match?

Greetings from Havana: A fresh perspective on globally distributed OpenStack

hastexo in 100 Seconds

Ceph: object storage, block storage, file system, replication, massive scalability and then some!

Ceph: The Storage Stack for OpenStack

More Reliable, More Resilient, More Redundant

High Availability Update (Grizzly and Havana)

MySQL High Availability Deep Dive

GlusterFS in High Availability Clusters

Hands-On With Ceph

High Availability in OpenStack

Highly Available Cloud: Pacemaker integration with OpenStack

Open Source Datacenter Conference 2012

Reliable, Redundant, Resilient: High Availability in OpenStack

GlusterFS und Ceph. Skalierbares Storage ohne Wenn und Aber.

Mit OpenStack zur eigenen Cloud (German)

Storage Replication in High-Performance High-Availability Environments

Roll Your Own Cloud

The Zen of Pacemaker

Fencing and Maintaining Sanity in High-Availability Clusters

MySQL High Availability Sprint: Launch the Pacemaker!