Mir Sayeed Hassan – Oracle Blog

Checking swap space: 0 MB available, 150 MB required. Failed or Configure the swap space

Error log while installation.

[oracle@miroradb database]$ ./runInstaller
Starting Oracle Universal Installer...

Checking Temp space: must be greater than 120 MB. Actual 36214 MB Passed
Checking swap space: 0 MB available, 150 MB required. Failed <<<<
Checking monitor: must... 
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TNS-00583: Valid node checking: unable to parse configuration parameters in Oracle 12c

Check the status of database

SQL> select status,instance_name,open_mode, version from V$database,v$instance;

STATUS INSTANCE_NAME OPEN_MODE VERSION
------------ ---------------- -------------------- -----------------
OPEN oemdb READ WRITE 12.1.0.2.0

Start the listerner

[oracle@oemdb... 
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How to change the SYSMAN Password on OEM 12C/13C.

Check the current database status

SQL> select instance_name,status,version from v$instance, v$database;

INSTANCE_NAME STATUS VERSION
---------------- ------------ -----------------
oemdb OPEN 12.1.0.2.0

To change/reset the sysman password, you need to know the sys password of database.

Note:...
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ORA-65096: invalid common user or role name in Oracle 12c DB

The above issue is occur in Oracle 12c DB while creation of new database in Container.

Solution recommendation

If you want to create a user in Container DB (Oracle 12c), you need to use the prefix as “C##”
If you want to create a user in Pluggable DB (PDB) (Oracle...

ERROR emCLI.CLIPageHandler render.672 – ORA-14400: inserted partition key does not map to any partition

This issue is occur while dropping the agent from OEM Server.

Login to OEM Server

[oracle@oemdb ~]$ cd /u01/oem13.4c/middleware/bin/

[oracle@oemdb bin]$ ./emcli login -username=SYSMAN
Enter password : ********

Login... 
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OEM Fix For Agent Shows Availability Evaluation Error

This error occur in one of our database after adding and agent into it

Locate to the agent bin location and check the current status

[oracle@test-db ~]$ cd /home/oracle/OEM13.4/agent_inst/bin/

[oracle@test-db bin]$ ls
emctl emtgtctl forwarderProxy nmosudo.props

Check...
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