问题现象：

[dave@Dave admin]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 10-FEB-2018 00:28:40

Copyright (c) 1991, 2013, Oracle.  All rights reserved.

Starting /u02/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 11.2.0.4.0 - Production
System parameter file is /u02/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
Log messages written to /u02/app/oracle/diag/tnslsnr/Dave/listener/alert/log.xml
Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
TNS-12555: TNS:permission denied
 TNS-12560: TNS:protocol adapter error
  TNS-00525: Insufficient privilege for operation
   Linux Error: 1: Operation not permitted

Listener failed to start. See the error message(s) above...

解决方法

[dave@Dave admin]$ exit
logout
[root@Dave Desktop]# chmod -R 777 /var/tmp/.oracle
[root@Dave Desktop]# su - dave

验证

[dave@Dave ~]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 10-FEB-2018 00:29:53

Copyright (c) 1991, 2013, Oracle.  All rights reserved.

Starting /u02/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 11.2.0.4.0 - Production
System parameter file is /u02/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
Log messages written to /u02/app/oracle/diag/tnslsnr/Dave/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1522)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Start Date                10-FEB-2018 00:29:55
Uptime                    0 days 0 hr. 0 min. 0 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u02/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
Listener Log File         /u02/app/oracle/diag/tnslsnr/Dave/listener/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1522)))
The listener supports no services
The command completed successfully
[dave@Dave ~]$

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