By Lorin Hochstein
One of several configuration administration instruments to be had, Ansible has a few precise advantages—it’s minimum in nature, you don’t have to set up whatever in your nodes, and it has a simple studying curve. This sensible consultant indicates you ways to be efficient with this device quick, even if you’re a developer deploying code to construction or a method administrator searching for a greater automation solution.
Author Lorin Hochstein exhibits you the way to write down playbooks (Ansible’s configuration administration scripts), deal with distant servers, and discover the tool’s genuine energy: integrated declarative modules.
You’ll detect that Ansible has the performance you would like and the simplicity you desire.
• know how Ansible differs from different configuration administration systems
• Use the YAML dossier layout to write down your individual playbooks
• examine Ansible’s aid for variables and facts
• paintings with a whole instance to installation a non-trivial applicationUse roles to simplify and reuse playbooks
• Make playbooks run swifter with ssh multiplexing, pipelining, and parallelism
• set up purposes to Amazon EC2 and different cloud platforms
• Use Ansible to create Docker photographs and set up Docker bins
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Extra info for Ansible: Up and Running
Y. Schobbens observes and controls properties of a house that are part of the physical world. In order to be able to build a SHS right, it is important to understand how these properties inﬂuence each other . A SHS is also a typical product line  since the company developing and selling such systems has to be able to adapt them to each customer’s home. In addition, such companies need to be able to leave conﬁguration choices to the customer, such as the features to be included, and speciﬁcities of theses features, which allows to address diﬀerent market segments.
In real SPL projects with their complex models and large number of dependencies these implicit dependencies pose a big problem. Hence, it is desirable to enhance the feature model in Fig. 1 with the mutual exclusion between the features MP3 and Camera. In this article we are focusing on how to ﬁnd such implicit (missing) dependencies. The feature model enhanced with the missing dependencies will provide a better guidance to the application engineering during the conﬁguration process as the additional dependencies disallow void conﬁgurations.
In SPL engineering such models are created by the domain engineer in order to describe the scope of the whole product-line. Further, these models are given to the application engineer to be used during the conﬁguration and derivation of a concrete product. J. Fiadeiro and P. ): FASE 2008, LNCS 4961, pp. 31–45, 2008. c Springer-Verlag Berlin Heidelberg 2008 32 M. Janota and G. Botterweck Feature Model Phone Component Model realized by MP3 Component mutual exclusion MP3 Camera realized by Camera Component Fig.
Ansible: Up and Running by Lorin Hochstein