Titlebook: Pro Python System Administration; Rytis Sileika Book 2014Latest edition Rytis Sileika 2014

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Performing Complex Searches and Reporting on Application Log Files,developed in-house. There are also a wide variety of languages used when developing those applications; common languages found these days would be Java, PHP, Python, Ruby, and (yes, some still are using it) Perl. In this chapter I talk about applications developed in Java, as this seems to be the mo

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A Website Availability Check Script for Nagios,be monitoring a simple website by using an HTML parsing library, which allows us to check the operational side of the site. The check script attempts to navigate through unsecured pages and then reach some protected pages, too, by simulating a user login action. All action will be recorded and fed b

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Management and Monitoring Subsystem,te building a monitoring server component. This component is responsible for sending the queries to all monitoring agents, scheduling the requests, and storing the collected data in the local database. This chapter will discuss three topics: data modeling, interprocess communication, and multithread

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Remote Monitoring Agents,pter I laid out the high-level system design and described in detail the server implementation. This chapter is dedicated to the monitoring agent implementation, interaction with the sensor application, and the security model.

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Distributed Message Processing System,k some features like message prioritization and task scheduling. We could add extra functionality to the code that we have already written, but instead I am going to show you how to replace the custom messaging platform with a more robust and feature-full system based on a distributed task queue cal