Description
Depending on Linux distribution and version, this option has different names and functions:
Red Hat Enterprise Linux 6.x
Option name: Install or update service
Allows you to install (after a fresh install) or update guests management service (kit upgrade).
Updating the service does not require the guests to be shutdown & restarted
Red Hat Enterprise Linux 7.x and CentOS 7
Option name: Manage 'systemd' services
Allows you to view the service status and update the service configuration file to add dependencies, description, etc...
Be extremely cautious when updating the file. Preferably limit updates to:
Description=,After=,Before=,Wants=parameters in theUnitsectionTimeoutStopSec=in theServicesectionRestart=,RestartSec=,StartLimitInterval=,StartLimitBurst=parameters in theServicesection as described in the How to restart CHARON-VAX/AXP on Linux automatically on failure chapter.
Example: