How can I start Oracle Enterprise manager after restarting the Red Hat Server?
Solution 1:
Try to re-configure em completely
emctl stop dbconsole
emca -repos drop
emca -repos create
emca -deconfig dbcontrol db
emca -config dbcontrol db
The best regards
Solution 2:
try
emctl start dbconsole
if it does not helps - try to re-configure em
emca -config dbcontrol db