gdb args

gdb --help | grep args
    gdb [options] --args executable-file [inferior-arguments ...]
  --args             Arguments after executable-file are passed to inferior

ex:
gdb --args ls /tmp

apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName

1. /etc/hosts
 127.0.0.1       localhost xxxxx

xxxxx is /etc/hostname

2./etc/apache2/httpd.conf

ServerName localhost


Reference:
http://stackoverflow.com/questions/9541460/httpd-could-not-reliably-determine-the-servers-fully-qualified-domain-name-us