Book Image

Red Hat Enterprise Linux 8 Essentials

By : Neil Smyth
1 (1)
Book Image

Red Hat Enterprise Linux 8 Essentials

1 (1)
By: Neil Smyth

Overview of this book

Red Hat Enterprise Linux 8 is one of the most secure and dependable operating systems available. For this reason, the ambitious system or network engineer will find a working knowledge of Red Hat Enterprise 8 to be an invaluable advantage in their respective fields. This book, now updated for RHEL 8.1, begins with a history of Red Enterprise Linux and its installation. You will be virtually perform remote system administration tasks with cockpit web interface and write shell scripts to maintain server-based systems without desktop installation. Then, you will set up a firewall system using a secure shell and enable remote access to Gnome desktop environment with virtual network computing (VNC). You’ll share files between the Red Hat Enterprise Linux 8 (RHEL 8) and Windows System using Samba client and NFS. You will also run multiple guest operating systems using virtualization and Linux containers, and host websites using RHEL 8 by installing an Apache web server. Finally, you will create logical disks using logical volume management and implement swap space to maintain the performance of a RHEL 8 system. By the end of this book, you will be armed with the skills and knowledge to install the RHEL 8 operating system and use it expertly.
Table of Contents (32 chapters)
32
Index

31.2 Recommended Swap Space for RHEL 8

The amount of swap recommended for RHEL 8 depends on a number of factors including the amount of memory in the system, the workload imposed on that memory and whether the system is required to support hibernation. The current guidelines for RHEL 8 swap space are as follows:

Amount of installed RAM

Recommended swap space

Recommended swap space if hibernation enabled

2GB or less

Installed RAM x 2

Installed RAM x 3

2GB - 8GB

Installed RAM x 1

Installed RAM x 2

8GB - 64GB

At least 4GB

Installed RAM x 1.5

64GB or more

At least 4GB

Hibernation not recommended...