Daniel Westermann

Creating your private cloud using OpenStack – (5) – The Compute service

We’re now coming closer to the final setup of the OpenStack test environment. Again, looking at the minimum services we need, there are only three of them left: Keystone: Identity service (done)(…)

PostgreSQL 18: Add OLD/NEW support to RETURNING in DML queries

While doing some research on OpenStack (see here for the introduction post), I thought blogging about a new feature for the next version of PostgreSQL might free my head a bit from(…)

Creating your private cloud using OpenStack – (4) – The Image and Placement services

By the end of the last post we finally got the first OpenStack service up and running: Keystone, the Identity Service. Going back to the list of services we need at a(…)

Creating your private cloud using OpenStack – (3) – Keystone, the Identity Service

By the end of the last post, we finished with preparing the controller and compute node for being ready to deploy the first OpenStack service: Keystone, the Identity Service. Before we dive into the details lets(…)

Creating your private cloud using OpenStack – (2) – Preparing the nodes

In the introduction post we’ve briefly looked at some options you have available when you want to build your own private cloud. In this post we’re going to start our journey into OpenStack by preparing the(…)

Creating your private cloud using OpenStack – (1) – Introduction

While public clouds are a trend since several years now, some companies are also looking into self hosted solutions to build a private cloud. Some do this because of costs, others do this because they don’t want to be dependent(…)

PostgreSQL 18: Change the maximum number of autovacuum workers on the fly

For PostgreSQL it is critical, that autovacuum is able to keep up with the changes to the instance. One of the parameters you can adapt for this is autovacuum_max_workers. This parameter controls how many worker process(…)

FreeBSD basics – 8 – Running Linux Containers

When people talk about containers in FreeBSD, they usually talk about Jails. We’ve already seen how this works in general here and here. An additional option you have, is to install(…)

FreeBSD basics – 7 – The Linux compatibility layer

Now that we know how to work with the ports collection let’s have a look another option you have in FreeBSD: Sometimes it might be required to run unmodified Linux binaries on FreeBSD and to achieve(…)

FreeBSD basics – 6 – The ports collection

If you followed the previous introduction posts about FreeBSD (here, here, here, here and here) you should already know how(…)