This tutorial will revisit the apt role’s configuration and will introduce a new role for configuring the postgres operating system’s user for passwordless ssh connections to each other server.
It doesn’t surprise that the Red Hat’s ansible shares the same name as it gives a simple and efficient way to manage servers and automate tasks, yet remaining very lightweight with minimal requirements on the target machines.
In the previous post we introduced the PostgreSQL’s dependency system.
At first sight the implementation can look like a maze where the succession of relationships are not clear.
This post will try to give a practical example to show how
pg_depend can act like an Ariadne’s thread in order to resolve the dependencies.
The scenario presented is very simple but can be used as a starting point for more complex requirements.
The 20th of April I was supposed to give the pgchameleon’s talk at the Pycon 9. However personal issues prevented me to come to Florence. This post is an explanation and an apology for the pycon 9 attendees and organisers.
Database administrators usually work behind the scenes, over the weekends and in antisocial hours. They strive to look after the database which is at the core of any business with little or no recognition.
The sad truth is that the DBA is one of the most obscure and one of the less appreciated roles within the IT organisations.