All OPatch versions after 11.1.0.6 are Online Patch aware.

The syntax to install an Online Patch is:

opatch apply online -connectString <SID>:<USERNAME>:<PASSWORD>:<NODE>


example:

$ opatch apply online -connectString db11202:sys:oracle -invPtrLoc /u01/app/oracle/product/11.2.0/dbhome_1/oraInst.loc
Invoking OPatch 11.2.0.1.4

Oracle Interim Patch Installer version 11.2.0.1.4
Copyright (c) 2010, Oracle Corporation. All rights reser[……]

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