Can't restart apache due to invalid 'echo' command

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http://askubuntu.com – When i enter command admin@ubuntu:~$ sudo /etc/init.d/apache2 restart [sudo] password for admin: I get this msg Syntax error on line 3 of /etc/apache2/conf.d/fqdn: Invalid command 'echo', perhaps misspelled or defined by a module not included in the server configuration Action 'configtest' failed. The Apache error log may have more information. ...fail! Please tell me how i restart my apache2 server... (HowTos)