Enterprise manager cloud 12c contains two different type of Connection mode online and offline, this blog describe how to install manually :-
From Setup –> extensibility –> Self Update
Press On Agent Software., The below screen will appear :-
By pressing any of those agent new pop up will open included with link to download, copy the link and upload the file to OMS Host and run the below command :-
[oracle@EM12C emcli]$ ./emcli import_update -omslocal -file=….
File Path should be provided in the above command.
The output :-
Processing update: Agent Software – Agent Software (188.8.131.52.0) for Microsoft Windows x64 (64-bit)
Successfully uploaded the update to Enterprise Manager. Use the Self Update Console to manage this update.