[oracle@yyjk ~]$ sqlplus utan/utan@xx:1521/tlcb
SQL*Plus: Release 11.2.0.4.0 Production on 星期二 1月 22 15:27:48 2019
Copyright (c) 1982, 2013, Oracle. All rights reserved.
ERROR:
ORA-12545: 因目标主机或对象不存在, 连接失败
Enter user-name:
解决:
在客户端hosts添加:
[oracle@yyjk sbin]$ cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6