linux Oracle 11g监听无法启动

[root@localhost admin]# lsnrctl start


LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 31-OCT-2014 18:19:19


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Starting /u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...


TNSLSNR for Linux: Version 11.2.0.3.0 - Production
System parameter file is /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.16.2.77)(PORT=1521)))
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

google了一下，发现需要 /var/tmp 或者 /tmp 目录下的.oracle 的权限问题