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Bernd Borowski
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...
Alexander Sosna
Today it is no longer necessary to argue why central logging makes sense or is even necessary. Most medium-sized companies now have a central logging system or are just introducing it. Once the infrastructure has been created, it must be used sensibly and efficiently! Especially as an...
Phillip Warwick
Written by Adrian Vondendriesch. With PostgreSQL 9.6, the known View pg_stat_activity is extended by two columns: wait_event and wait_event_type . These replace the old column waiting . Background PostgreSQL distinguishes internally between two lock types: heavyweight Locks and lightweight Locks (...
Phillip Warwick
A quick one for the users. Now that Mozilla Thunderbird incorporates the Lightning plugin as standard, it's even easier to link up CalDav calendars to your mail client. Firstly, in the Calendar view of Thunderbird, create a new Calendar. This will be the one linked to your CalDav Calendar. This...
Irenie White
Written by Alexander Wirt, credativ GmbH Tranlsated by Irenie White, credativ UK In this post we describe how to integrate Icinga2 with Graphite and Grafana on Debian stable (jessie). What is Graphite? Graphite stores performance data on a configurable period. Via a defined interface, services can...
Melissa Ames
[Howto] LDAP scheme for Postfix queries Mentioned within the official Postfix documentation is the requirement for LDAP verification of address types that are not offered by default. To help you get started, we have uploaded a corresponding scheme on our credativ-Github account. This Postfix LDAP '...
Ondrej Kuznik
credativ has been working on the OpenERP charm for the new Juju platform, a tool from Ubuntu that helps you define, configure and deploy services to any cloud quickly and easily. In this Howto we explain the best way to run Juju on Debian. Background: Over the past few years, the useful life of...
Damian Lukowski
Mail administrators which use spamassassin and its Bayesian filter need to train the classifier on a regular basis. Spamassassin's sa-learn utility needs to process full RFC-822 emails including mail headers and the the mail body. The following howto describes a method of how full emails can be...
Joe Conway
Getting Spotify to work nicely on Linux Note: the Linux Spotify client will only work with a premium Spotify account . I spoke at the NYC PostgreSQL Users' Group meeting in December, and while there someone mentioned that Spotify is a great music service (and that they are using PostgreSQL!). So I...
Irenie White
The vast majority of Debian installations are simplified with the use of Preseeding and Netboot. Friedrich Weber, a school student on a work experience placement with us at our German office has observed the process and captured it in a Howto here: Imagine the following situation: you find yourself...