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Red Hat Enterprise Linux Server cookbook : over 60 recipes to help you build, configure, and orchestrate RHEL 7 Server to make your everyday administration experience seamless / William Leemans

Author
Leemans, William
Published
Birmingham : Packt Publishing, 2015.
Physical Description
1 online resource : illustrations
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Contents
Cover; Copyright; Credits; About the Author; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Working with KVM Guests; Introduction; Installing and configuring a KVM; Configuring resources; Building guests; Adding CPUs on the fly; Adding RAM on the fly; Adding disks on the fly; Moving disks to another storage; Moving VMs; Backing up your VM metadata; Chapter 2: Deploying RHEL En Masse -- Introduction; Creating a kickstart file; Publishing your kickstart file using httpd; Deploying a system using PXE; Deploying a system using a custom boot ISO file., Chapter 3: Configuring Your NetworkIntroduction; Creating a VLAN interface; Creating a teamed interface; Creating a bridge; Configuring IPv4 settings; Configuring your DNS resolvers; Configuring static network routes; Chapter 4: Configuring Your New System; Introduction; The systemd service and setting runlevels; Starting and stopping systemd services; Configuring the systemd journal for persistence; Monitoring services using journalctl; Configuring logrotate; Managing time; Configuring your boot environment; Configuring smtp; Chapter 5: Using SELinux; Introduction; Changing file contexts., Configuring SELinux booleansConfiguring SELinux port definitions; Troubleshooting SELinux; Creating SELinux policies; Applying SELinux policies; Chapter 6: Orchestrating with Ansible; Introduction; Install Ansible; Configuring the Ansible inventory; Creating a template for a kickstart file; Creating a playbook to deploy a new VM with kickstart; Creating a playbook to perform system configuration tasks; Troubleshooting Ansible; Chapter 7: Puppet Configuration Management; Introduction; Installing and configuring Puppet Master; Installing and configuring the Puppet agent., Defining a simple module to configure timeDefining nodes and node grouping; Deploying modules to single nodes and node groups; Chapter 8: Yum and Repositories; Introduction; Managing yum history; Creating a copy of an RHN repository; Configuring additional repositories; Setting up yum to automatically update; Configuring logrotate for yum; Recovering from a corrupted RPM database; Chapter 9: Securing RHEL 7; Introduction; Installing and configuring IPA; Securing the system login; Configuring privilege escalation with sudo; Secure the network with firewalld; Using kdump and SysRq; Using ABRT., and Auditing the systemChapter 10: Monitoring and Performance Tuning; Introduction; Tuning your system's performance; Setting up PCP -- Performance Co-Pilot; Monitoring basic system performance; Monitoring CPU performance; Monitoring RAM performance; Monitoring storage performance; Monitoring network performance; Index.
Summary
Annotation Over 60 recipes to help you build, configure, and orchestrate RHEL 7 Server to make your everyday administration experience seamlessAbout This Book Create fully unattended installations and deploy configurations without breaking a sweat Discover and kick-start the newest RHEL 7 configuration and management tools through an easy-to-follow, practical approach for a lazy system management Be guided by an experienced RHEL expert who is a certified Linux engineer with a passion for open source and open standardsWho This Book Is ForRed Hat Enterprise Linux Server Cookbook is for RHEL 7 system administrators and DevOps in need of a practical reference guide to troubleshoot common issues and quickly perform tasks. What You Will Learn Set up and configure RHEL 7 Server Use NetworkManager to configure all aspects of your network Manage virtual environments using libvirt Set up software repositories Secure and monitor your RHEL environment Configure SELinux, and create and apply its policies Create kickstart scripts to automatically deploy RHEL 7 systems Use Orchestration and configuration management tools to manage your environmentIn DetailDominating the server market, the Red Hat Enterprise Linux operating system gives you the support you need to modernize your infrastructure and boost your organization's efficiency. Combining both stability and flexibility, RHEL helps you meet the challenges of today and adapt to the demands of tomorrow. This practical Cookbook guide will help you get to grips with RHEL 7 Server and automating its installation. Designed to provide targeted assistance through hands-on recipe guidance, it will introduce you to everything you need to know about KVM guests and deploying multiple standardized RHEL systems effortlessly. Get practical reference advice that will make complex networks setups look like child's play, and dive into in-depth coverage of configuring a RHEL system. Also including full recipe coverage of how to set up, configuring, and troubleshoot SELinux, you'll also discover how secure your operating system, as well as how to monitor it. Style and approachThis practical guide is packed full of hands-on recipes that provide quick solutions to the problems faced when building your RHEL 7 system from scratch using orchestration tools. Each topic is explained sequentially in the process of setting up a system and binding everything together.
Subject(s)
ISBN
9781784393519 (electronic bk.)
1784393517 (electronic bk.)
1784392014
9781784392017
Note
Includes index.
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