Troubleshooting CentOS - Tapa blanda

Sinopsis

A practical guide to troubleshooting the CentOS 7 community-based enterprise server

About This Book

• 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

Who This Book Is For

It is assumed that you will already have a server up and running, you have a good working knowledge of CentOS, and you are comfortable with the concept of working with those services used by your server.

What You Will Learn

• 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

In Detail

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.

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