The listener supports no services

[oracle@localhost ~]$ lsnrctl status

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 14-AUG-2017 13:56:45

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

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Start Date 14-AUG-2017 13:54:44
Uptime 0 days 0 hr. 2 min. 0 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /home/oracle/product/11gR2/network/admin/listener.ora
Listener Log File /home/oracle/product/diag/tnslsnr/localhost/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
The listener supports no services
The command completed successfully

tlister启动没有服务

#netmgr
在database services下增加实例名配置，替换红色部分为你的实例名。

客户端连接报错：
ORA-12541:TNS:no listener
把127.0.0.1 替换为你机器的ip