hi am having this error when doing tnsping dbname in client but when i do this in server is ok am in oracle datbase 19c runing in oracle linux 8.1 my listner is up
status
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 19.0.0.0.0 - Production
Start Date 25-NOV-2022 07:15:06
Uptime 0 days 0 hr. 10 min. 42 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Log File /u01/app/oracle/diag/tnslsnr/dbname/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=hostname)(PORT=1521)))
Services Summary...
Service "dbname" has 1 instance(s).
Instance "acor", status READY, has 1 handler(s) for this service...
Service "dbnameXDB" has 1 instance(s).
Instance "dbname", status READY, has 1 handler(s) for this service...
The command completed successfully