当在CentOS 6.2下执行某些命令时，有缺少共享库的报错：

error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory

解决办法：

 1、执行命令： 

yum whatprovides libstdc++.so.6

然后会提示哪个安装包有这个库文件如下：

[root@localhost ~]# yum whatprovides libstdc++.so.6

 Loaded plugins: aliases, changelog, downloadonly, fastestmirror, kabi, presto, refresh-packagekit, security, tmprepo, verify,

: versionlock

 Loading support for CentOS kernel ABI

 Loading mirror speeds from cached hostfile

  * base: centos.ustc.edu.cn

  * centosplus: centos.ustc.edu.cn

  * contrib: centos.ustc.edu.cn

  * extras: centos.ustc.edu.cn

  * updates: centos.ustc.edu.cn

 libstdc++-4.4.7-3.el6.i686 : GNU Standard C++ Library

 Repo        : base

 Matched from:

 Other      : libstdc++.so.6

2、然后执行： 

yum install libstdc++-4.4.7-3.el6.i686