[问题]刚才想安装rpm包，出现这个错误。

ouwsh

想安装rpm包，但就出现这个错误  

我目的是想装rrdtool的，之前我已经安装了一个tar的包，但安装后缺少文件/usr/local/bin/rrdtool: error while loading shared libraries: librrd.so.2: failed to map segment from shared object: Permission denied

librrd.so.2


[root@localhost ftpuser]# rpm -ivh rrdtool-1.2.15-1.rh9.rf.i386.rpm
warning: rrdtool-1.2.15-1.rh9.rf.i386.rpm: V3 DSA signature: NOKEY, key ID 6b8d79e6
error: Failed dependencies:
        perl(RRDp) is needed by rrdtool-1.2.15-1.rh9.rf
        perl(RRDs) is needed by rrdtool-1.2.15-1.rh9.rf


[root@localhost ftpuser]# rpm -ivh rrdtool-1.2.15-1.rh9.rf.i386.rpm
warning: rrdtool-1.2.15-1.rh9.rf.i386.rpm: V3 DSA signature: NOKEY, key ID 6b8d79e6
error: Failed dependencies:
        perl(RRDp) is needed by rrdtool-1.2.15-1.rh9.rf
        perl(RRDs) is needed by rrdtool-1.2.15-1.rh9.rf


菜鸟一个，大家来帮帮忙，看是什么问题。谢谢了。