Oracle 10g OEM regular error solving ------- Unknown host specified

Oracle 10g OEM regular error solving ------- Unknown host specified Oracle Enterprise Manager provides a web-based interface-based tool for managing a single oracle database. Since OEMs use web-based applications, therefore, http is used. When you log on to www.2cto.com: database error I/O exception: Unknown host specified if this problem occurs, you can manually register the time zone parameter configured next to it and use the following command: set ORACLE_SID = orclemctl stop dbconsole emctl config agent getTZemctl start dbconsol so that you can log on again. ORACLE_SID you can run SQL plus and run the command select instance_name, host_name from v $ instance; To Get The instance_name ----- instance name (same as ORACLE_SID) host_name ----- server name (generally the computer name) SID is the unique identifier of a database. It connects to the database from the command line and uses the sqlplus command sqlplus system/******* as sysdba (******* is the password)