centos 中10g listener 启动失败

Question

centos ,装了10g,启动listener老是报失败,删除了listener.ora,重新生成了listener.ora,不行,尝试了各种办法都不行,各位DX看看,有何办法
错误如下:

Log messages written to /opt/oracle/product/10.2.0/db_1/network/log/listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=extproc1)))
Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.166.100)(PORT=1521)))
TNS-12560: TNS:protocol adapter error
TNS-00583: Valid node checking: unable to parse configuration parameters

#listener.ora

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = oracl100)
      (ORACLE_HOME = /opt/oracle/product/10.2.0/db_1)
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (protocol=IPC)(key=extproc1))
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.166.100)(PORT = 1521))
    )
  )

#tnsnames.ora

ORCL100 =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.166.100)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = orcl100)
    )
  )

#/etc/hosts# that require network functionality will fail.
127.0.0.1       localhost.localdomain   localhost
192.168.166.100 server100