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Category: HowTos

08 March 2022

SQLreduce: Reduce verbose SQL queries to minimal examples

SQLreduce: Reduce verbose SQL queries to minimal examples Developers often face very large SQL queries that raise some errors. SQLreduce is a tool to reduce that complexity to a minimal query. SQLsmith generates random SQL queries SQLsmith is a tool that generates random SQL queries and runs them against a PostgreSQL server (and other DBMS […]

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14 January 2020

Debian integration of Patroni and vip-manager

Patroni is a clustering solution for PostgreSQL® that is getting more and more popular in the cloud and Kubernetes sector due to its operator pattern and integration with Etcd or Consul. Some time ago we wrote a blog post about the integration of Patroni into Debian. Recently, the vip-manager project which is closely related to […]

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01 October 2019

Client certificates for Icinga2 API authentication

There are two ways to authenticate yourself as a client to Icinga2. On the one hand there is the possibility to authenticate yourself by username and password. The other option is authentication using client certificates. With the automated query of the Icinga2 API, the setup of client certificates is not only safety-technically advantageous, but also […]

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18 April 2019

The XEN hypervisor and microcode updates

One would think that microcode updates are basically unproblematic on modern Linux distributions. This is fundamentally correct. Nevertheless, there are always edge cases in which distribution developers may have missed something. Using the example of Ubuntu 18.04 LTS “Bionic Beaver” in connection with the XEN Hypervisor this becomes obvious when it comes to processors microcode […]

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15 April 2019

PostgreSQL® anywhere — via Kubernetes with some help from OpenEBS

In this article we will look at the highly available operation of PostgreSQL® in a Kubernetes environment. A topic that is certainly of particular interest to many of our PostgreSQL® users. Together with our partner company MayaData, we will demonstrate below the application possibilities and advantages of the extremely powerful open source project – OpenEBS. […]

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