【解決】centos缺少共用庫：libstdc++.so.6

當在centos6.2下執行某些命令時，有缺少共用庫的報錯：

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

解決辦法：
1、執行命令： yum whatprovides libstdc++.so.6

然後會提示哪個安裝包有這個庫檔案如下：

[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、然後執行：

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

搞定！