Logon to your Cacti web interface using a user with Plugin Management permissions.
Go to Configuration | Plugin Management.
You should now be able to see the settings plugin on the list of available plugins:
Click on the red icon with the circle in it in the Actions column to disable the plugin. The list of icons in the Actions column should change as seen in the following screenshot:
Click on the red arrow icon in the Actions column to uninstall the plugin. You will then see a blue arrow icon appear, as shown in the following screenshot:
Now logon to your Cacti installation as root using PuTTY.
Go to the plugins directory:
cd /var/www/html/cacti/plugins
Remove the settings plugin using the following command:
rm –rf settings
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