Now got this one:
[root@backup /]# service httpd restart
Zatrzymywanie httpd: [NIEUDANE]
Uruchamianie httpd: httpd: Syntax error on line 13 of /etc/httpd/conf/httpd.conf: Cannot load modules/mod_authn_alias.so into server: /etc/httpd/modules/mod_authn_alias.so: cannot open shared object file: No such file or directory
[NIEUDANE]