By Dirk Louis; Peter Müller; Karsten Samaschke
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CentOS 6 Linux Server Cookbook
A useful consultant to fitting, configuring, and administering the CentOS community-based firm server.
• providing entire perception into CentOS server with a chain of beginning issues that help you construct, configure, continue and install the most recent version of 1 of the world's hottest group dependent firm servers.
• supplying newbies and more matured participants alike with the chance to augment their wisdom by means of offering rapid entry to a library of recipes that addresses all points of CentOS server and placed you in control.
• supplying you with fast entry to a thriving wisdom base that illustrates simply how quick you could grasp CentOS server with an entire host of tips of the exchange thrown in for sturdy measure.
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CentOS is a community-based firm classification working approach and this ebook will offer a chain of functional options that may not basically assist you to set up and continue CentOS as a server, yet to discover this famous Linux distribution with the goal of tackling many universal matters by way of delivering a few methods of the alternate with a purpose to simplify the duty of creating a server.
CentOS 6 Linux Server Cookbook is a realistic consultant to set up, configuration, management, and upkeep. it is a one-stop-shop to all issues CentOS, so regardless as to if you wish a mail server, net server, database server, area server or a dossier sharing platform, this booklet offers a accomplished sequence of beginning issues that may offer you direct entry to the internal workings of this open resource, community-based company server.
CentOS 6 Linux Server Cookbook is a realistic advisor to the total deploy, configuration, management, and upkeep of 1 of the world’s most well liked community-based firm servers.
From deploy to configuration, this booklet of recipes will take you on a trip to discover internal workings of CentOS server. inside of this publication you'll how to set up CentOS in number of settings, improve your install with the right kind instruments of the exchange and get ready your server to fulfil nearly any position you may ever need.
By researching extra approximately time, networking, package deal administration, procedure administration and safety, this e-book will serve to teach you ways to get the superior from this freely to be had, open resource server by means of proposing a sequence of strategies that would assist you grasp the paintings of creating your personal internet, database, mail, area identify, dossier sharing services.
What you'll examine from this book
• fitting and validating CentOS 6 and including a laptop environment;
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Presented in a step-by-step, effortless to learn instructional variety, this publication offers the reader with actual international recommendations to each element of CentOS 6.
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Additional resources for Das JAVA Codebook
Example text
Im Nachkommateil darf rechts von einer optionalen Ziffer keine obligatorische Ziffer mehr folgen. Die Zahl der obligatorischen Ziffern entspricht hier der Mindestzahl an Stellen, die Summe aus obligatorischen und optionalen Ziffern der Maximalzahl an Stellen. Optional kann sich an beide Formate die Angabe eines Exponenten anschließen (siehe Rezept 9). Negative Zahlen werden standardmäßig durch Voranstellung des Minuszeichens gebildet, es sei denn, es wird dem Pattern für die positiven Zahlen mittels ; ein spezielles Negativ-Pattern angehängt.
Da die Methode getPatternsInString() einen String nach allen Vorkommen des übergebenen Musters durchsuchen soll, ruft sie find() in einer while-Schleife auf und speichert die gefundenen Übereinstimmungen in einem ArrayList-Container. group() ); return matches; } Listing 14: Strings nach beliebigen Patterns durchsuchen Die zweite Methode, getNumbersInString(), liefert im String gefundene Zahlen zurück. ) endet. Dieser reguläre Ausdruck findet ganze Zahlen, Gleitkommazahlen mit Komma zum Abtrennen der Nachkommastellen und ohne Tausenderzeichen, Zahlen mit und ohne Vorzeichen, aber auch Zahlenschrott (beispielsweise Teile englisch formatierter Zahlen, die das Komma als Tausenderzeichen verwenden).
DecimalFormat) lösen lässt. Wie dies konkret aussieht, untersuchen die beiden fol- genden Abschnitte. 1271 }; Um diese Zahlenkolonne untereinander, ausgerichtet am Dezimalzeichen, ausgeben zu können, müssen drei Dinge geschehen: 1. Die Zahlen müssen in Strings umgewandelt werden. Dies geschieht durch Erzeugung einer passenden NumberFormat- oder DecimalFormat-Instanz und Übergabe an die Methode format(), siehe Rezept 8. 2. Die gewünschte Position des Dezimalzeichens muss festgelegt werden. Hier ist zu beachten, dass die gewählte Position nicht zu weit vorne liegt, damit nicht bei der Ausgabe der Platz für die Vorkommastellen der einzelnen Strings fehlt.
