Troubleshooting CentOS

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  • Consider the need to understand, manipulate, and make use of the relevant system log files
  • Analyze, review, and make decisions regarding how and what to do with troublesome active processes on a CentOS server
  • Discover how to approach issues regarding the network environment
  • Approach issues regarding package management and learn how to make the necessary steps to diagnose and fix the problems found in relation to their YUM- and RPM-based needs
  • Diagnose and troubleshoot issues related to Samba, NFS, and various external storage methods
  • Diagnose and troubleshoot issues related to iptables, SELinux, some common firewalls, shell access, and SSH

CentOS is the enterprise-grade Linux operating system built using the same source code as Red Hat Enterprise Linux (RHEL) to provide a free-to-use alternative to Red Hat's commercial Linux offering.

The purpose of this book is to build on your understanding of CentOS and to explore those mission-critical services you are entrusted to manage and maintain. Starting with a brief introduction to the overall subject of troubleshooting a CentOS server, this book will take you on a journey across the whole spectrum of issue-based problem solving, which includes active processes, the networking environment, package management, users, folders, files, shared resources, security, databases, and web-based services. By the end of the book, you will have expert-level competency in identifying and diagnosing the root causes of CentOS storage, network, and administration issues and resolving them.

  • Gain exposure to insider tips and techniques to quickly detect the reason for poor network/storage performance
  • Troubleshooting methodologies, defining, and isolating problems
  • Identify key issues that impact performance, storage, scalability, capacity
Page Count 190
Course Length 5 hours 42 minutes
ISBN 9781785289828
Date Of Publication 23 Jun 2015


Jonathan Hobson

He is a web developer, systems engineer, and applications programmer.
For more than 20 years, he has been working behind the scenes to support companies,
organizations, and individuals around the world to realize their digital ambitions. With an
honors degree in both english and history and as a respected practitioner of many computer languages, Jonathan enjoys writing code, publishing articles, building computers, playing video games, and getting 'out and about' in the big outdoors. He has been using CentOS since its inception, and over the years, it has not only earned his trust, but it has also become his first choice for a server solution. CentOS is a first class community-based enterprise class operating system. It is a pleasure to work with and because of this, Jonathan has written this book so that his knowledge and experience can be passed on to others.