I'm not sure what version of apache2 ships on Ubuntu 14.04, but I suspect it was upgraded to Apache 2.4. If that is the case, you need to change the following lines:

  •               Order allow,deny
  •                 allow from all
    to

                  Require all granted

    and any pairs that have "deny from all" to

                  Require all denied

    I had this same problem after  the release of apache 2.4 in Debian sid...and just ran into a corner case yesterday on my mediawiki box.

    HTH,
    --b


    On Fri, Jun 20, 2014 at 1:50 PM, Les Mikesell <lesmikesell@gmail.com> wrote:
    On Fri, Jun 20, 2014 at 12:25 PM, Francisco Suarez
    <francisco@wihphotels.com> wrote:
    > Les, yes i'm using ubuntu 14.04. would you recommend another linux distro
    > instead which installing backuppc will be simpler and more reliable to get
    > it going using the rpm you mention? where could i get the rpm from?
    >
    > for some reason apache doesn't wan't to execute the cgi and it's downloading
    > it on the browser.
    >

    Here's something that turned up in a google search:
    https://bugs.launchpad.net/ubuntu/+source/backuppc/+bug/1243476

    I use the CentOS distro myself with the backuppc package from the EPEL
    yum repository - specifically because they rarely update things in
    non-backward compatible ways to minimize that kind of breakage.

    --
       Les Mikesell
         lesmikesell@gmail.com

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