maxime aubry

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How to Backup Ceph Block Storage

I have a customer who is running a reduced redundancy ceph cluster as backend to her openstack cluster. Since it’s development, she’s not as …

OpenStack advises on routes to successful cloud implementation

OpenStack Foundation executive director Jonathan Bryce shares insights from those who have successfully deployed OpenStack

The Future of Photography

After reading Stephen Mayes’ <i>TIME</i> essay on the end of photography I couldn’t help but respond. To begin with, his main proposition is that “in the …

Photoshop

Orchestration for Sysadmins by Andrea Luzzardi & Victor Vieux

DevOps

Ubuntu Insights

Garry Winogrand Is Not A Street Photographer

By onJuly 16, 2015 5<p>Photo © John Makinson / reportagephoto.com<p>He’s one of the most prolific and well respected street shooters in history but Garry …

Upgrading Nova to Kilo with minimal downtime

Starting in Icehouse, Nova gained the ability to do partial live upgrades. This first step meant that control services (which are mostly stateless) …

OpenStack Orchestration In Depth, Part IV: Scaling

This is the fourth and last article in my series on OpenStack orchestration with Heat. In the previous articles, I gave you a gentle introduction to …

Openstack and Docker – Part 2

This is a continuation of my previous blog on Openstack and Docker. In this blog, I will cover Openstack Docker heat plugin and Magnum.<p>Following are …

DevOps

Openstack and Docker – Part 1

In this blog, I will cover the different ways in which Openstack can create and manage Docker Containers. The 3 predominant approaches are using Nova …

OpenStack’s Volume Backup Status

Why Back Up Cloud Volumes?<p>When working in the Cloud the idea of doing backups like in <i>the old days</i> may seen counter intuitive. After all, the main …

Cinder Volume Back Up Automation

In my previous post on OpenStack’s volume backups I gave an overview of Cinder’s Backup service current status and I mentioned that some of the …

Introduction to nova-compute-lxd

LXD is a lightweight container hypervisor for full system containers, unlike Docker and Rocket which is for application containers. This means that …

Fix inconsistent Openstack volumes and instances from Cinder and Nova via the database

When running Openstack, sometimes the state of a volume or an instance can be inconsistent on the cluster. Nova might find a volume attached while …

Getting started with LXD – the container lightervisor

Introduction<p>For the past 6 months, Serge Hallyn, Tycho Andersen, Chuck Short, Ryan Harper and myself have been very busy working on a new container …

SystemdForUpstartUsers

Introduction<p>This document compares Upstart and systemd with a view to aiding in the transition to the latter.<p>Support status<p>First, it is important to …

Linux

kubernetes httpd

HypervisorSupportMatrix

<b>WARNING: The information in doc/source/user/support-matrix.ini in the Nova source tree obsoletes this information.</b><p>Compute Drivers<p>OpenStack Compute …

Ubuntu LXD: Not a Docker replacement, a Docker enhancement

Ubuntu's new hypervisor for containers, LXD, is not a Docker rival nor is it an Ubuntu-only project.<p>PARIS — Sometimes it seems that Canonical, …

Virtualization

NBA Playoffs 2015: Lower Seeds That Can Pull off 1st-Round Upsets

The most magical time of the year for NBA fans is nearly here. Only a few more games separate us from the start of the 2015 NBA playoffs, meaning the pressure is palpable for teams on the cusp of making the postseason.<p>Nearly every year, one of those franchises ends up shocking the system. Last …

OpenStack Orchestration In Depth, Part II: Single Instance Deployments

Welcome to the second part of my series on OpenStack orchestration with Heat. In the previous article I gave you an introduction to Heat …

Redundant Load Balancers – HAProxy and Keepalived

In this article, we’ll build a pair of HAProxy load balancers running on Ubuntu 14.04 LTS, and use keepalived to provide failover of our virtual IP …

Start with the RBD support for TGT

| Comments | Tag: ceph<p>A couple a months ago, Dan Mick posted a nice article that introduced the RBD support for iSCSI / TGT. In this article, I will …

LXC and Docker containers in Nova Openstack

OpenStack High Availability – Controller Stack

High availability is a must have for enterprise deployment of OpenStack. Not high availability of individual virtual machines (instances), nor high …

Welcome to Swift’s documentation!

Welcome to Swift’s documentation!¶<p>Swift is a highly available, distributed, eventually consistent object/blob store. Organizations can use Swift to …

1Dollar-webhosting.com reviews and ratings

You need powerful, flexible Web hosting, and these top-rated services will get the job done. ... Review · 1Dollar-webhosting.com Web Hosting Review …

Annotated documentation for DockerInc::Docker::Container

cmd : List<p>Command to run after spawning the container.<p>Optional property.<p>Example:<p>dns : List<p>Set custom DNS servers.<p>Example:<p>docker_endopint : …