TNS-12555,TNS-12560,TNS-00525

APPLIES TO

Operating System - Oracle Linux Server 7.9
Oracle Database - Version 11.2.0.4.0
Oracle Grid Infrastructure - Version 11.2.0.4.0

SYMPTOMS

CAUSE

SOLUTION

  1. Ensure that /tmp/.oracle or /var/tmp/.oracle directory exists, and the permissions should be 1777.
~]# ls -ld /var/tmp/.oracle/
drwxrwxrwt 2 root oinstall 4096 Mar  6 09:59 /var/tmp/.oracle/

REFERENCE

・ Starting the Listener or LSNRCTL Start Fails With: TNS-12557 or TNS-12555: TNS:Permission Denied (Doc ID 343253.1) |
・ Listener Fails To Start With IPC Permission Errors (TNS-12546 TNS-12555 TNS-00516 TNS-00525) (Doc ID 434062.1) |