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Conventions

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "The OPENSTACK_KEYSTONE_DEFAULT_ROLE setting in the /etc/openstack-dashboard/local_settings.py file must also be modified before the dashboard can be used."

A block of code is set as follows:

[DEFAULT] 
...
my_ip = 10.254.254.101
vncserver_proxyclient_address = 10.254.254.101
vnc_enabled = True
vncserver_listen = 0.0.0.0
novncproxy_base_url = http://controller01:6080/vnc_auto.html

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

nova boot --flavor <FLAVOR_ID> --image <IMAGE_ID> \
--nic net-id=<NETWORK_ID> --security-group <SECURITY_GROUP_ID> \
INSTANCE_NAME

Any command-line input or output is written as follows:

# service nova-api restart
# service nova-cert restart
# service nova-consoleauth restart
# service nova-scheduler restart
# service nova-conductor restart
# service nova-novncproxy restart

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text like this: "Looking at the following screenshot, the System Information panel provides the user with information about the environment, including Services and Compute Services."

Note

Warnings or important notes appear in a box like this.

Tip

Tips and tricks appear like this.

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