??????ORACLE???????????????????????????????????????????????TNS-12541?? TNS-12560??TNS-00511???????????????????????
[oracle@getlnx01 admin]$ lsnrctl status
LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 09-MAR-2015 09:13:29
Copyright (c) 1991?? 2007?? Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 111: Connection refused
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=getlnx01.esqule.com)(PORT=1521)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 111: Connection refused
[oracle@getlnx01 dbs]$ lsnrctl start
LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 09-MAR-2015 09:20:46
Copyright (c) 1991?? 2007?? Oracle. All rights reserved.
Starting /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 10.2.0.4.0 - Production
System parameter file is /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/product/10.2.0/db_1/network/log/listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=getlnx01.esqule.com)(PORT=1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
TNS-12547: TNS:lost contact
TNS-12560: TNS:protocol adapter error
TNS-00517: Lost contact
Linux Error: 104: Connection reset by peer
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=getlnx01.esqule.com)(PORT=1521)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 111: Connection refused
??????????????????????TNS-12541??????????????/etc/hosts????????????IP???д??????????IP???????192.168.7.221???????????????д???192.168.7.211
????[root@getlnx01 ~]# more /etc/hosts
????# Do not remove the following line?? or various programs
????# that require network functionality will fail.
????127.0.0.1      getlnx01.esqule.com getlnx01
????192.168.7.211  getlnx01.esqule.com getlnx01