DB Control/DB Console (OEM) Changing Hostname or IP Address

I just got a client that changed his server  hostname and discovered that after this change he was unable to use the DB Control. To solve this problem you will just need to follow these simple steps: 1) Set  $ORACLE_HOSTNAME Continue reading DB Control/DB Console (OEM) Changing Hostname or IP Address

Error libdb.so.2: cannot open shared object file when installing Grid Control

I’m writing this post due that I receive this question almost once a week regarding OEM installations. If you see this error when installing your Oracle Enterprise Manager (Grid Control 10.2.0.3) at OEL 5 or RHEL 5: /home/oracle/OracleHomes/oms10g/Apache/Apache/bin/httpd: error while Continue reading Error libdb.so.2: cannot open shared object file when installing Grid Control

Discover the Oracle Widgets for DBAs!

The EM (Enterprise Manager) Desktop Widgets are lightweight internet applications that provide persistent desktop access to key Enterprise Manager monitoring and diagnostic information. Oracle first released the EM Widgets at August 2009, now at December 2009; Oracle has already 3 Continue reading Discover the Oracle Widgets for DBAs!

New Oracle Enterprise Manager 10g Release 5 !!!

Don’t miss the global launch webcast of Oracle Enterprise Manager 10g Release 5, this will be the 03/03/2009 09:00 AM (Pacific Standard Time), to assist please register here. In the webcast you will learn about key new capabilities like: New Continue reading New Oracle Enterprise Manager 10g Release 5 !!!

Installing Grid Control – Part I

By Francisco Munoz Alvarez Before you start with an installation of Grid Control, I’ll recommend you to go thru the documentation to understand all the minimum requirements and the installation process. For reference purpose, I’ll resume some important points of Continue reading Installing Grid Control – Part I

Are you having problems with the OEM Host Credential?

If you are using LINUX/Windows the hostname credentials should be the same user who has installed the oracle  database software, if Windows the user you are using need to be member of the ORA_DBA group and have Local Security privilege Continue reading Are you having problems with the OEM Host Credential?

Grid Control (GC) Cheat Sheet

   Ensure the Oracle database version can be monitored by Grid Control in Metalink article “Note 412431.1  Oracle Enterprise Manager 10g Grid Control Checker”. Request firewall ports to be opened for 2 way traffic between your target and your Grid Continue reading Grid Control (GC) Cheat Sheet