[root@es5-64 ~]# cat /etc/redhat-release
CentOS release 5 (Final)
[root@es5-64 ~]# ls -lad /usr/lib64/
drwxr-xr-x 53 root root 36864 Sep 16 04:02 /usr/lib64/
[root@es5-64 ~]# ldd /usr/local/directadmin/directadmin
libssl.so.6 => /lib64/libssl.so.6 (0x000000317ba00000)
libcrypt.so.1 => /lib64/libcrypt.so.1 (0x0000003f41a00000)
libcrypto.so.6 => /lib64/libcrypto.so.6 (0x000000317a200000)
libdl.so.2 => /lib64/libdl.so.2 (0x0000003f3fa00000)
libkrb5.so.3 => /usr/lib64/libkrb5.so.3 (0x000000317aa00000)
libk5crypto.so.3 => /usr/lib64/libk5crypto.so.3 (0x000000317b200000)
libcom_err.so.2 => /lib64/libcom_err.so.2 (0x0000003f42a00000)
libresolv.so.2 => /lib64/libresolv.so.2 (0x0000003f42600000)
libstdc++.so.6 => /usr/lib64/libstdc++.so.6 (0x0000003179e00000)
libm.so.6 => /lib64/libm.so.6 (0x0000003f3fe00000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x0000003179a00000)
libc.so.6 => /lib64/libc.so.6 (0x0000003f3f600000)
libgssapi_krb5.so.2 => /usr/lib64/libgssapi_krb5.so.2 (0x000000317a600000)
libz.so.1 => /usr/local/lib/libz.so.1 (0x00002aaaaaac1000)
/lib64/ld-linux-x86-64.so.2 (0x0000003f3f200000)
libkrb5support.so.0 => /usr/lib64/libkrb5support.so.0 (0x000000317ae00000)