Administration

How to rename a PDB in 19c

Let's look at how to rename a PDB in 19c. The steps are the same as 12c. Per Oracle note referenced below, you must have the ALTER DATABASE privilege, either granted commonly or granted locally in the PDB. You must also have the RESTRICTED SESSION privilege, either...

How to change the ethernet switch password on Exadata

Let's look at how to log in and change the ethernet switch (adm) password on an Exadata system. During the installation of the system, the admin user is created. You must have got the admin user credentials when the Exadata was handed off.

Install Oracle GoldenGate Plug-in on Oracle Enterprise Manager Cloud Control 13c

In this post, we will install and deploy Oracle GoldenGate Plug-in 13.4.1.0 on Oracle Enterprise Manager Cloud Control 13c Release 4. I have an Active-Active OMS 13c setup that is load-balanced via SLB. While the plug-in install is an online operation, the plug-in...

Fixed – EXPDP – OS/ Wallet Authentication does not work, prompts for password

I recently encountered a strange issue on a newly created multitenant database on 19.6 version. Our EXPDP job uses wallet to authenticate to the pluggable database. SQLPLUS could successfully connect/ authenticate to the database using credentials stored in the wallet. But, authentication failed for EXPDP using the...

How to Install VNC on Exadata Linux servers

Oracle Exadata servers do not come with VNC server installed. Let's look at how to install VNC on Exadata Linux servers. In this post, I will list the steps needed to get VNC working on Oracle Enterprise Linux 7 (OEL 7). There are many posts you can...

Figure out why a target status is down on Oracle OEM when it is not

This post is to understand how to find the root cause when a target status is down on Oracle OEM (Oracle Enterprise Manager) - when in fact it is up. What OEM reports Example here shows 4 ASM instances down...

Resizing disk partitions on Oracle Exadata Database Machine

Oracle Engineers usually setup and configure an Exadata Database Machine when it is provisioned. The configurations are based on Oracle's best practices and include customizations based on customer needs - usually initiated via Oracle Exadata Deployment Assistant (OEDA) that is filled by us. While most delivered systems...

Clean up after a database – using Oracle recommended ‘deinstall’ utility.

Often, we are faced with an empty ORACLE_HOME and deserted configuration, diagnostic, dump and log files. This is a common situation since we regularly upgrade databases to higher versions or migrate databases to new hardware. As a result, several files are left behind. This post lists the...

Latest posts

How to rename a PDB in 19c

Let's look at how to rename a PDB in 19c. The steps are the same as 12c....
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How to change the ethernet switch password on Exadata

Let's look at how to log in and change the ethernet switch (adm) password on an Exadata...

Install Oracle GoldenGate Plug-in on Oracle Enterprise Manager Cloud Control 13c

In this post, we will install and deploy Oracle GoldenGate Plug-in 13.4.1.0 on Oracle Enterprise Manager Cloud...

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DW0O terminating with fatal err=39078

Environment Oracle Database 11.2.0.4...
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