In this blog post we show how it is possible to run an arbitrary program, script, or execute arbitrary code in reaction to changes and generally events in a PostgreSQL database. Triggers Database management systems (DBMS) provide mechanisms for defining reactions to certain actions or, in other …
This blog post will focus on the bash programming part of implementing a promise type. To understand what custom promise types are, and how to use them, you should read the introduction first. To implement a custom promise type in CFEngine, you need a promise module. The module is an executable, and …
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