[root@localhost bin]# firefox/usr/local/firefox/firefox-bin: error while loading shared libraries: libstdc++.so.5: cannot open shared object file: No such file or directory[root@localhost bin]# rpm -qf /usr/lib/libstdc++.so.5error: file /usr/lib/libstdc++.so.5: No such file or directory[root@localhost bin]# up2date libstdc++Fetching Obsoletes list for channel: rhel-i386-es-4...Fetching rpm headers...########################################Name Version Rel----------------------------------------------------------The following packages you requested are already updated:libstdc++