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

26.3 Pulling a Container Image

For this example, the RHEL 8 Universal Base Image (UBI) will be pulled from the registry. Before pulling an image, however, information about the image repository can be obtained using the skopeo tool, for example:

# skopeo inspect docker://registry.redhat.io/ubi8/ubi-init

{

    "Name": "registry.redhat.io/ubi8/ubi-init",

    "Digest": "sha256:143375cad82a2e5578b19559e7c176558bb2a857d66b541706274edc380161c3",

    "RepoTags": [

        "8.1",

        "8.0",

        "8.0-15",

        "8.1-14",

        "8.0-22",

        "8.0...