Category: Premium Content

How to Install Oracle OEM Agent Manually

Sometimes we need install OEM agents manually due to the GUI installation failure for various reasons.  This short doc demonstrates how to install OEM 13c agent manually.

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Check the Agent Status

[oracle@racnode1 agent]$ emctl status agent
Oracle Enterprise Manager Cloud Control 13c Release 3
Copyright (c) 1996, 2018 Oracle Corporation. All rights reserved.
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Agent Version : 13.3.0.0.0
OMS Version : 13.3.0.0.0
Protocol Version : 12.1.0.1.0
Agent Home : /u01/app/oracle/product/agent/agent_inst
Agent Log Directory : /u01/app/oracle/product/agent/agent_inst/sysman/log
Agent Binaries : /u01/app/oracle/product/agent/agent_13.3.0.0.0
Core JAR Location : /u01/app/oracle/product/agent/agent_13.3.0.0.0/jlib
Agent Process ID : 18048
Parent Process ID : 18012
Agent URL : https://racnode1.virtuallab:3872/emd/main/
Local Agent URL in NAT : https://racnode1.virtuallab:3872/emd/main/
Repository URL : https://oemnode1:4903/empbs/upload
Started at : 2020-04-07 23:44:44
Started by user : oracle
Operating System : Linux version 4.14.35-1902.10.7.el7uek.x86_64 (amd64)
Number of Targets : 3
Last Reload : (none)
Last successful upload : 2020-04-07 23:46:07
Last attempted upload : 2020-04-07 23:46:07
Total Megabytes of XML files uploaded so far : 0.23
Number of XML files pending upload : 0
Size of XML files pending upload(MB) : 0
Available disk space on upload filesystem : 38.81%
Collection Status : Collections enabled
Heartbeat Status : Ok
Last attempted heartbeat to OMS : 2020-04-07 23:45:49
Last successful heartbeat to OMS : 2020-04-07 23:45:49
Next scheduled heartbeat to OMS : 2020-04-07 23:46:49

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Agent is Running and Ready
[oracle@racnode1 agent]$

How to Configure Auto Discovery in Oracle Enterprise Manager 13c

This document demonstrates how to configure Auto Discovery in 13c.

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How to Configure Privilege Delegation through SUDO in Enterprise Manager Cloud Control 13c

Privileged credentials are the root account details used to perform privileged actions like executing root scripts.

Now we demonstrate how to setup Privilege Delegation through SUDO.

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ORA-01012 While Starting Up Oracle Database

ISSUES

When starting up an Oracle database, the “ORA-01012: not logged on” occurs:

$ sqlplus / as sysdba
Connected to an idle instance.

SQL> startup
ORA-01012: not logged on
Process ID: 0
Session ID: 0 Serial number: 0

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Cloning an Oracle Database Home in 18c

Here is an example of how to clone an Oracle Home in 18c.  This method is useful if the Oracle home that you are cloning has had patches applied to it. When you clone the Oracle home, the new Oracle home has the patch updates.

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