#Download / Get git repository
git clone http://url-of-your-git/project.git

#Show remore url
git remote -v

Comments are set as a field, so by default it is not present. To add comment field Goto:

Admin -> Structure -> Content types ->"YOUR CONTENT"
  ->Manage fields->Add field
  ->Select 'Comments' on 'Re-use an existing field' and Save.

Reson 1 : FollowSymLinks

By default, virtualmin does not support Options +FollowSymLinks (on .htaccess).

Solution 1 : Recommended

Inlinux debian / ubuntu / mint ...

1. Install imagemagick tools (if not installed)
# sudo apt-get install imagemagick

2. Process images like : (here resize images to 50%)
$ for i in $( ls *.jpg); do convert -resize 50% $i re_$i; done

In addition to the Step 2, Just add
    $form['#cache']['disabled'] = TRUE;
    $form['#cache']['max_age'] = 0;