LAMP & Oracle Technical Information

This explains how to use Telnet to test Simple Mail Transfer Protocol (SMTP) communication between messaging servers. By default,
SMTP listens on port 25. If you use Telnet on port 25, you can enter the SMTP commands that are used to connect to an SMTP server
and send a message exactly as if your Telnet session was an SMTP messaging server. You can see the success or failure of each
step in the connection and message submission process.

You just need to get a backup created, and you want to take the simpllest approach.

BACKUP :

Command to back up your entire database:

You should see a list of RMAN message displaying information.

To display information about your backup, use the list backup command as follows :

If you want to delete archivelogs, use these command to delete them in RMAN.

# rman target / nocatalog.

1. 7 days ago

2. All archivelogs

3. Archivelogs in terms of thread #