There is a rapid growth of automation in server rooms and data centers. The days of having many administrators running around busily configuring and maintaining servers are gone and have been replaced with droves of Salt-Minions; agents beavering away on the target nodes ensuring the configuration is as specified. This book covers Salt Open (also known as SaltStack Open) from the ground up and shows you how to work with two Linux distributions. You'll...

Implement Secure Access Service Edge (SASE) for secure network and application communications, exploring SASE services including SD-WAN, ZTF, and more with expert Jeremiah Ginn who helps CxO leaders achieve SASE success Key Features Merge networking and security services into a single architecture to simplify network infrastructure Explore how zero trust network access (ZTNA) restricts access to provide native application segmentation Focus on a native,...

When it comes to system design, failure is inevitable. Scientists and engineers implement solutions based on the available information, without a complete knowledge of the future. You can't always anticipate the next zero-day event, viral media trend, weather disaster, or shift in technology. But you can be prepared to respond when incidents like these affect your systems. With this report, SRE and DevOps practitioners, IT managers, and engineering...

"Provides an overview of the essential topics required for entry-level cybersecurity certifications, discussing the concepts and practices within securing the infrastructure, devices, local networks and the perimeter."--Provided by publisher.

Get up speed with Prometheus, the metrics-based monitoring system used by tens of thousands of organisations in production. This practical guide provides application developers, sysadmins, and DevOps practitioners with a hands-on introduction to the important aspects of Prometheus, including infrastructure and application monitoring, dashboarding and alerting, direct code instrumentation, and metric collection from thrid-party systems with exporters....

Explore the latest developments in cybersecurity with this essential guide Every day it seems we read another story about one company or another being targeted by cybercriminals. It makes some of us wonder: am I safe online? The good news is that we can all be cybersecure--and it doesn't take a degree in computer science to make it happen! Cybersecurity For Dummies is the down-to-earth guide you need to secure your own data (and your company's, too)....

The need for every professional to have a solid presence on the Internet is more important than ever before. Having a presence beyond an email account, such as a custom web page or web application, usually requires a clumsy assortment of outside services or hiring a dedicated administrator. Thus it is more sensible for the average professional to become adept at managing their own private server. In Set Up and Manage Your Virtual Private Server, author...

Der erste Teil gibt einen kurzen �Uberblick �uber das Thema Monitoring mit Icinga: Von der Installation �uber die grunds�tzliche Konfiguration und einen ersten Blick auf die Benutzeroberfl�che Icinga Web 2 werden alle wichtigen Komponenten erkl�rt.Im zweiten Teil geht es um zu ermittelnde Daten auf unterschiedlichen Betriebsystemen, vor allem Linux und Windows. Er befasst sich damit, wie diese Daten auf dem zu �uberwachenden System ermittelt...

»Icinga 2« gibt eine umfassende Einführung in das gleichnamige Monitoringprodukt, das als Fork einer etablierten Lösung für Verfügbarkeitsmonitoring entstanden ist, in Version 2 jedoch mit vielen, meist massiven, Verbesserungen aufwarten kann. Dabei zeigt es Umsteigern von anderen freien Monitoringlösungen genauso wie Monitoring-Neulingen, wie eine Umgebung aufgebaut und Schritt für Schritt immer umfangreicher und umfassender gestaltet wird.Die...