Oracle Listener fails to start (tns-12555,tns-12560,tns-00525)

Boot listener can not open, error!

1[[Email protected] ~]$ lsnrctl Start2 3Lsnrctl forLinux:version 11.2.0.1.0-production on 06-aug-2014 19:40:524 5Copyright (c) 1991, 2009, Oracle. All rights reserved.6 7starting/opt/oracle/11g/bin/tnslsnr:please Wait ...8 9Tnslsnr forLinux:version 11.2.0.1.0-ProductionTenSystem parameter File is/opt/oracle/11g/network/admin/Listener.ora OneLog messages Written to/opt/oracle/diag/tnslsnr/localhost/listener/alert/Log.xml AError listening on: (Description= (Address= (PROTOCOL=IPC) (key=EXTPROC1521 ))) -TNS-12555: Tns:permission denied -TNS-12560: Tns:protocol Adapter Error theTns-00525:insufficient privilege forOperation -Linux error:1: Operation not permitted -  -Listener failed to start. See the error message (s) above ...

Observe that the prompt does not have permission:

View. Oracle Files:

[[email protected] ~]# ls-lrtd/var/tmp/2 root root 4096 8\u6708   5 21:48/var/tmp/~]# ls-lrtd/tmp /2 root root 4096 8\u6708   5 20:33/tmp/.oracle

The discovery permission is 777, but the user group and owner are not correct, change to ORACLE:DBA

[Email protected] ~]# chown-r oracle:dba/var/tmp/~]#chown-r oracle:dba/tmp/~]# ls-lrtd/tmp/ /c2>2 Oracle DBA 4096 8\u6708   5 20:33/tmp/~]# ls-lrtd/var/tmp/2 Oracle DBA 4096 8\u6708   5 21: 48/var/tmp/.oracle

Start again, success!