Chapter 4. Red Hat Network Website 53pulldown menu and click the Modify Base Channel button. Refer to Section 4.6.1 SoftwareChannels for more information.• Groups — Lists the system’s associated groups and enables you to change these associations. Tomodify the system’s groups, select or unselect their checkboxes and click the Update Membershipbutton. Click on a group’s name to go to its System Group Details page. Refer to Section 4.4.3.3System Group Details for more information.• Events — Displays past, current, and scheduled actions on the system. You may cancel pendingevents here. These are the tabs available and the icons denoting action types.• History — The default display of the Events tab lists the type and status of events that havefailed, occurred or are occurring. This list is automatically generated. To view details of an event,click its summary in the System History table. To again view the table, click Return to historylist at the bottom of the page.• Pending — Lists events that are scheduled but have not begun. To unschedule a pending event,select the event and click the Cancel Events button at the bottom of the page.• — Package Event• — Errata Event• — Preferences Event• — System Event4.4.3. System GroupsThe System Groups page allows all RHN Management users to view the System Groups list. OnlyOrganization Administrators may perform the following additional tasks:1. Create system groups. (Refer to Section 4.4.3.1 Creating Groups.)2. Add systems to system groups. (Refer to Section 4.4.3.2 Adding and Removing Systems inGroups.)3. Remove systems from system groups. (Refer to Section 4.4.2.6 System Details.)4. Assign system group permissions to users. (Refer to Section 4.8 Users.)As shown in Figure 4-4, the System Groups list displays all of your system groups.