service httpd start Starting httpd: /usr/sbin/httpd: error while loading shared libraries: librt.so.1: failed to map segment from shared object: Permission denied rpm -q --whatprovides /lib/librt.so.1 glibc-2.3.3-76 ls -la /lib/librt.so.1 lrwxrwxrwx 1 root root 14 Nov 14 14:36 /lib/librt.so.1 -> librt-2.3.3.so ls -la /lib/librt-2.3.3.so -rwxr-xr-x 1 root root 47896 Nov 10 07:37 /lib/librt-2.3.3.so