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Linux Professional Institute (LPI)

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Database management brought me to PostgreSQL, PostgreSQL brought me to open source advocacy, and—during the past year—open source advocacy brought me to the Board of Directors at Linux Professional Institute. In this article I’ll trace this journey and describe the benefits of being on the LPI Board.

In the course of my professional career, I have held various position...


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While running, most applications, containers, and virtual machines constantly generate information about numerous events. These events can be anything from severe errors to a simple notice that the server successfully answered a request. Collecting and analysing this log data becomes challenging in a multi-tieredarchitecture or dynamic microservice environment. The DevOps Too...


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The previous article in this series described the special features that make functional programming attractive. This article applies those concepts to programming today.

Some Important Influences of Functional Programming...

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While we have talked a lot about application deployment, we still need to cover how to keep these applications up and running. The DevOps Tools Engineer exam covers Prometheus Monitoring for this task.

Modern ...


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I hope this series has given a sense of how the data mosaic works: how small and innocent-looking details about you can be combined to uncover sensitive information. Data collection will only improve over time. Theoretically, you can be identified by


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