credativ® Blog
Here you will find interesting news about industry-specific topics and us.
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02 December 2015
Official Debian images for Microsoft Azure now available
The free Linux distribution Debian is now available as a supported distribution in the Azure Marketplace. In collaboration with Microsoft, credativ will also take over the ongoing maintenance of the Debian images. The Debian images created by credativ are now available for Debian 8 (Jessie) and Debian 7 (Wheezy). Further information is available on Microsoft’s […]
10 August 2015
[Howto] Icinga2 with Graphite and Grafana on Debian
In this blog, we describe the integration of Icinga2 into Graphite and Grafana on Debian. What is Graphite Graphite stores performance data over a configurable period. Services can send metrics to Graphite via a defined interface, which are then stored in a structured manner for the desired period. Possible examples of such metrics include CPU […]
05 August 2014
Informix Foreign Data Wrapper for PostgreSQL®
Since PostgreSQL® 9.1, PostgreSQL® has implemented an interface for accessing external data sources. The interface defined in the SQL Standard (SQL/MED) allows transparent access to and manipulation of external data sources in the same manner as with PostgreSQL®-native tables. External data sources appear as tables in the respective database and can be used without restriction […]
25 February 2014
Postfix Architecture Overview
The Postfix mail transport agent consists of several subcomponents, services, and queues, which are listed in detail in the documentation. We have transferred the most important functions to a diagram for greater clarity. The page postfix.org/OVERVIEW.html presents and explains the individual parts of Postfix and their functions: services, queues, etc. Although some of the relationships […]
09 September 2013
PostgreSQL® 9.3
PostgreSQL® 9.3 ist da! Die neue Hauptversion bringt viele Verbesserungen und neue Funktionen. Dieser Artikel stellt einige der interssanten Neuerungen vor. Verbessertes Locking mit Fremdschlüsseln Fremdschlüssel sind unabdingbar für die referentielle Integrität der Daten. Allerdings brachten diese bis einschließlich PostgreSQL® 9.2 auch unter bestimmten Bedingungen Lockingprobleme bei UPDATE auf Spalten mit Fremdschlüsseln mit sich. Vor […]