Managing your cloud resources with OpenStack/en: Difference between revisions

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 This page describes how to perform common tasks encountered while working with OpenStack. It is assumed that you have already read [[Cloud Quick Start]] and understand the basic operations of launching and connecting to a VM. Most tasks can be performed using the dashboard, as described there and below. But some require use of the command line tools, for example [[#Creating an Image From a Volume|creating an image]]. See [[OpenStack Command Line Clients]] for more information.
 =Security Groups=
-Security groups allow you to control network traffic into and out of your virtual machines. To manage security groups go to ''Project->Compute->Access & Security'' and select the ''Security Groups'' tab. You will see a list of currently defined security groups. If you have not previously defined any security groups, there will be single ''default'' security group.
+A security group is a set of rules to control network traffic into and out of your virtual machines. To manage security groups go to ''Project->Compute->Access & Security'' and select the ''Security Groups'' tab. You will see a list of currently defined security groups. If you have not previously defined any security groups, there will be single default security group.
 To add or remove security rules from a security group click ''Manage Rules'' for that particular security group. To add a new rule click ''Add Rule'' button in the top right, to remove a rule click ''Delete Rule'' beside the rule you wish to delete.