解决CentOS缺少共享库：libstdc++.so.6

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@zhanghuoding zhanghuoding]# yum whatprovides libstdc++.so.6
已加载插件：aliases, auto-update-debuginfo, changelog, dellsysid, downloadonly,
          : fastestmirror, filter-data, fs-snapshot, keys, list-data, local,
          : merge-conf, post-transaction-actions, presto, priorities,
          : protectbase, ps, refresh-packagekit, remove-with-leaves, rpm-warm-
          : cache, security, show-leaves, tmprepo, tsflags, upgrade-helper,
          : verify, versionlock
Repository base is listed more than once in the configuration
Repository updates is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Repository centosplus is listed more than once in the configuration
Repository contrib is listed more than once in the configuration
Loading mirror speeds from cached hostfile
 * base: mirrors.aliyun.com
 * elrepo: ftp.ne.jp
 * epel: mirrors.ustc.edu.cn
 * epel-debuginfo: mirrors.ustc.edu.cn
 * extras: mirrors.aliyun.com
 * nux-dextop: mirror.li.nux.ro
 * rpmforge: mirrors.neusoft.edu.cn
 * updates: mirrors.aliyun.com
0 packages excluded due to repository protections
libstdc++-4.4.7-11.el6.i686 : GNU Standard C++ Library
Repo        : base
匹配来自于:
Other       : libstdc++.so.6

[root@zhanghuoding zhanghuoding]# yum install libstdc++-4.4.7-11.el6.i686

2、然后执行：
 

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

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