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opatch apply fails with Error: Prerequisite check "CheckSystemCommandAvailable" & 'Missing command :fuser' (Doc ID 1581604.1)

Last updated on MARCH 30, 2022

Applies to:

Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Generic UNIX

Goal

opatch apply fails with error:

Verifying environment and performing prerequisite checks...
Prerequisite check "CheckSystemCommandAvailable" failed.
The details are:
Missing command :fuser
UtilSession failed:
Prerequisite check "CheckSystemCommandAvailable" failed.
Log file location: $ORACLE_HOME/cfgtoollogs/opatch/opatch<timestamp>log

OPatch failed with error code 73

 

Solution

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Goal
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