[root@localhost root]# /opt/lampp/lampp start
Starting XAMPP for Linux 1.7.4...
XAMPP: Starting Apache with SSL (and PHP5)...
/opt/lampp/bin/httpd: relocation error: /opt/lampp/lib/libapr-1.so.0: symbol sys_siglist, version GLIBC_2.3.3 not defined in file libc.so.6 with link time reference
XAMPP: Error 127! Couldn\'t start Apache!
XAMPP: Starting diagnose...
XAMPP: Sorry, I\'ve no idea what\'s going wrong.
XAMPP: Please contact our forum <a href=\"http://www.apachefriends.org/f/\" target=\"_blank\">http://www.apachefriends.org/f/</a>
XAMPP: Starting MySQL...