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Red Hat Enterprise Linux Server Cookbook

Red Hat Enterprise Linux Server Cookbook

By : Jakub Gaj, Leemans
5 (6)
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Red Hat Enterprise Linux Server Cookbook

Red Hat Enterprise Linux Server Cookbook

5 (6)
By: Jakub Gaj, Leemans

Overview of this book

Dominating 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.
Table of Contents (12 chapters)
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11
Index

Deploying a system using a custom boot ISO file

PXE is a widely used way to deploy systems, and so are ISO's. PXE may not always be at hand because of security, hardware availability, and so on.

Many hardware manufacturers provide remote access to their systems without an OS installed. HP has iLO, while Dell has RIB. The advantage of these "remote" control solutions is that they also allow you to mount "virtual" media in the form of an ISO.

How to do it…

Red Hat provides boot media as ISO images, which you can use to boot your systems from. We will create a custom ISO image, which will allow us to boot a system in a similar way.

Let's create an ISO that you can mount as virtual media, write a CD-ROM, or even use dd to write the contents on a USB stick/disk through the following steps:

  1. Install the required packages to create ISO9660 images, as follows:
    ~]# yum install -y genisoimage
    
  2. Mount the RHEL 7 DVD's ISO image by executing the following command:
    ~...
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