处理：Header V3 DSA/SHA1 Signature, key ID 6b8d79e6: NOKEY error: Failed dependencies:

错误场景：

[root@luozhonghua codeblocks]# rpm -ivh wxGTK-devel-2.8.9-1.el5.rf.i386.rpm
warning: wxGTK-devel-2.8.9-1.el5.rf.i386.rpm: Header V3 DSA/SHA1 Signature, key ID 6b8d79e6: NOKEY
error: Failed dependencies:
        libexpat.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libjpeg-devel is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libtiff-devel is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_baseu-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_baseu-2.8.so.0(WXU_2.8) is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_baseu_net-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_baseu_xml-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_baseu_xml-2.8.so.0(WXU_2.8) is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_adv-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_aui-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_core-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_gizmos-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_gizmos_xrc-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_gl-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_html-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_media-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_ogl-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_qa-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_richtext-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_stc-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_svg-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        libwx_gtk2u_xrc-2.8.so.0 is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        wxGTK = 2.8.9-1.el5.rf is needed by wxGTK-devel-2.8.9-1.el5.rf.i386
        wxGTK-gl = 2.8.9-1.el5.rf is needed by wxGTK-devel-2.8.9-1.el5.rf.i386

处理：[root@luozhonghua codeblocks]# yum install wxGTK*

即可