关于rlwrap: error while loading shared libraries libreadline.so.6的解决办法

root@linux rlwrap-0.30]# su - oracle
[oracle@linux ~]$ rlwrap sqlplus /nolog
rlwrap: error while loading shared libraries: libreadline.so.6: cannot open shared object file: No such file or directory

[root@linux rlwrap-0.30]# rlwrap
rlwrap: error while loading shared libraries: libreadline.so.6: cannot open shared object file: No such file or directory

[root@linux rlwrap-0.30]# find / -iname libreadline.so.6
/usr/local/lib/libreadline.so.6

(注：若没有找到libreadline.so.6,则要安装readline,我是安装了readline,不知道之前有没有这个库文件)

[root@linux rlwrap-0.30]# cp /etc/ld.so.conf /etc/ld.so.conf.backup

[root@linux rlwrap-0.30]# vi /etc/ld.so.conf
# include ld.so.conf.d/*.conf是原文件有的，在ld.so.conf最后加入/usr/local/lib
include ld.so.conf.d/*.conf
/usr/local/lib

[root@linux rlwrap-0.30]# ldconfig
[root@linux rlwrap-0.30]# su - oracle
[oracle@linux ~]$ rlwrap sqlplus /nolog

SQL*Plus: Release 10.1.0.5.0 - Production on Sat Aug 22 16:26:19 2009

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

SQL> conn /as sysdba
Connected.
SQL> conn /as sysdba

(注：按下向上的箭头就可以找到之前输入的命令)

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