credativ® Blog
Here you will find interesting news about industry-specific topics and us.
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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 […]
07 October 2019
PostgreSQL® 12 released
The PostgreSQL® Global Development Group (PGDG) has released version 12 of the popular, free database PostgreSQL®. As our Beta 4 article already suggested, a multitude of new features, improvements, and optimizations have been incorporated into the release. These include: Optimized storage utilization and speed for btree indexes btree indexes, the standard index type in PostgreSQL®, […]
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 […]
12 September 2019
PostgreSQL® 12 Beta 4 released
Yesterday, the fourth beta of the upcoming PostgreSQL®-major version 12 was released. Compared to its predecessor PostgreSQL® 11, there are many new features: Performance improvements for indexes: btree indexes now manage space more efficiently. The REINDEX command now also supports CONCURRENTLY, which was previously only possible with new indexes. WITH queries are now embedded in […]
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 […]