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Problem: We received the following error messages (not all at once).
Server Error: Realtime Service cannot connect to external system SQL1013N The database alias name or database name "DB2DB" could not be found. SQLSTATE=42705 SQL1032N No start database manager command was issued. SQLSTATE=57019
Cause: DB2 might not be started.
Solution: Here is how to start the DB2 database manager. It assumes that you have a sample DB2 database named "sample".
Login onto your Linux guest with your DB2 user ID, such as db2inst1. If you are already logged in, issue the switch user command: su - db2inst1
Issue the command: db2start
Issue the command start dbm to start the database manager.
To see the database named sample, issue: connect to sample
To see if all the DB2 processes are running, type: ps-ef |grep DB2
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