-known_arch = ['i386','x86_64']
-default_fcdistro='f12'
-known_fcdistros = [ 'centos5','centos6','f8', 'f9','f10','f11','f12', 'f13', 'f14']
+known_arch = ['i386', 'i686', 'x86_64']
+default_fcdistro = 'f23'
+known_fcdistros = [
+ 'centos5', 'centos6',
+ # oldies but we have references to that in the pkgs files
+ 'f8', 'f10', 'f12', 'f16',
+ # these ones are still relevant
+ 'f14', 'f18', 'f20', 'f21', 'f22', 'f23',
+ 'sl6',
+ # debians
+ 'wheezy','jessie',
+ # ubuntus
+ 'precise', # 12.04 LTS
+ 'trusty', # 14.04 LTS
+ 'utopic', # 14.10
+ 'vivid', # 15.04
+ 'wily', # 15.10
+]