credativ® Blog
Here you will find interesting news about industry-specific topics and us.
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07 July 2023
At PGConf.DE 2023
On June 27, it was that time again: we were able to attend PGConf.DE 2023. This year, the event was held at the Haus der Technik in Essen, marking the conference’s return to the Ruhr region for the first time since 2013. In addition to the usual excellent talks, catering, and atmosphere, a new […]
22 June 2023
KubeCon / CloudNativeCon Europe 2023
From April, 18th until Friday, 21st the KubeCon in combination with the CloudNativeCon took place in Amsterdam: COMMUNITY IN BLOOM. An exciting event for people with interest in Kubernetes and cloud native technologies. At credativ, it is must to pre-train us in many relevant areas. This of course includes Kubernetes and Cloud Native technologies. The KubeCon/Cloud […]
15 March 2022
Introduction to AppArmor
Fundamentally, access control under Linux is a simple matter: Files specify their access rights (execute, write, read) separately for their owner, their group, and finally, other users. Every process (whether a user’s shell or a system service) running on the system operates under a user ID and group ID, which are used for access control. […]
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 […]
06 January 2022
PostgreSQL and Undelete
pg_dirtyread I recently updated pg_dirtyread to work with PostgreSQL 14. pg_dirtyread is a PostgreSQL extension that allows reading “dead” rows from tables, i.e., rows that have already been deleted or updated. Of course, this only works if the table has not yet been cleaned by a VACUUM command or autovacuum, PostgreSQL’s garbage collection. Here is […]
