求助：安装libpcap-0.7.2-7.9.1.1.i686.rpm出现的问题，请大家帮帮忙。

牧牛犬

执行以下命令：
[root@localhost software]# rpm -ivh libpcap-0.7.2-7.9.1.1.i686.rpm

出现以下错误：
warning: libpcap-0.7.2-7.9.1.1.i686.rpm: Header V3 DSA signature: NOKEY, key ID ac64a5d1
Preparing...                ########################################### [100%]
        package libpcap-0.9.4-2.1.2 (which is newer than libpcap-0.7.2-7.9.1.1) is already installed
        file /usr/include/pcap-namedb.h from install of libpcap-0.7.2-7.9.1.1 conflicts with file from package libpcap-0.9.4-2.1.2
        file /usr/include/pcap.h from install of libpcap-0.7.2-7.9.1.1 conflicts with file from package libpcap-0.9.4-2.1.2
        file /usr/lib/libpcap.a from install of libpcap-0.7.2-7.9.1.1 conflicts with file from package libpcap-0.9.4-2.1.2
        file /usr/lib/libpcap.so from install of libpcap-0.7.2-7.9.1.1 conflicts with file from package libpcap-0.9.4-2.1.2
        file /usr/lib/libpcap.so.0 from install of libpcap-0.7.2-7.9.1.1 conflicts with file from package libpcap-0.9.4-2.1.2
        file /usr/share/man/man3/pcap.3.gz from install of libpcap-0.7.2-7.9.1.1 conflicts with file from package libpcap-0.9.4-2.1.2

请教一下大家该怎么解决？

Silverfox

package libpcap-0.9.4-2.1.2 (which is newer than libpcap-0.7.2-7.9.1.1) is already installed

如果要装，先把新版的卸了吧。但是一些使用了新版libpcap的程序可能无法正常运行。不明白为什么有新版还要用旧版？

wrfwsh

做个链接不就行了，如果没有必要装的话