Changing DATE or TIME on UNIX

The Command:

bash# date mmddhhmmyy

The date command takes the syntax mmddhhmmyy, or “month day hour minute year”. You have to be superuser to set the time.

Example:

# date 1201010106
Fri Dec 1 01:01:00 PST 2006
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ORACLE FLASH RECOVERY AREA USAGE QUERY

FINDING ORACLE FLASH RECOVERY AREA USAGE SELECT NAME, (SPACE_LIMIT / 1024 / 1024 / 1024) SPACE_LIMIT_GB, ((SPACE_LIMIT - SPACE_USED + SPACE_RECLAIMABLE) / 1024 / 1024 / 1024) AS SPACE_AVAILABLE_GB, ROUND((SPACE_USED - SPACE_RECLAIMABLE) / SPACE_LIMIT * 100, 1) AS PERCENT_FULL FROM V$RECOVERY_FILE_DEST;

All Dictionary View Tables:

All Dictionary View Tables: TABLE_NAME COMMENTS ALL_ALL_TABLES Description of all object and relational tables accessible to the user ALL_APPLY Details about each apply process that dequeues from the queue visible to the current user ALL_APPLY_CONFLICT_COLUMNS Details about conflict resolution on tables visible to the current user ALL_APPLY_DML_HANDLERS Details about the dml handler on tables visible to the current user ALL_APPLY_ENQUEUE Details about the apply enqueue action for user accessible rules where the destination queue exists and is visible to the user ALL_APPLY_ERROR Error transactions that were generated after dequeuing from the queue visible to the current user ALL_APPLY_EXECUTE Details about the apply execute action for all rules visible to the user ALL_APPLY_KEY_COLUMNS Alternative key columns for a STREAMS table visible to the current user ALL_APPLY_PARAME...

How to delete/remove Management Agent from Oracle Enterprise Manager 12C

1. Before you deinstall a Management Agent, do the following: a. Stop the Agent using command from Management Agent home: cd /u01/oemcc_latest/core/12.1.0.2.0/bin/ $ emctl stop agent b. Wait for the Management Agent to go to the unreachable state in the Cloud Control console. c. It is mandatory to delete the Management Agent and their monitored targets using any of the following methods: Remove the Agent target manually from the console: 1. Login to 12C Cloud Control 2. Navigate to Setup => Manage Cloud Control => Agents 3. Go to the Home page of the Agent that you want to remove 4. Expand the drop-down menu near the " Agent " 5. Expand the " Target Setup " option 6. Select " Remove Target " ...

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