As you probably know, database must be started before any other RMAN commands are issued. So... how to solve this issue if you have 100% that your database is open and working? Take a look at my case and my environment variables:
[oracle@db env]$ rman target /
Recovery Manager: Release 10.2.0.4.0 -...
Sometimes, Oracle patchset silent installation is done with a "Response File" (patchset.rsp) supplied with the patchset software. The process is documented in the README for each patchset.
What is sometimes unknown is that the same silent patchset installation can be done directly from the command prompt without response file, by using...