diff --git a/wetb/prepost/Simulations.py b/wetb/prepost/Simulations.py
index eac23b85cf3fa07372372958719d92a3e41e122d..57b9c8479352c1adbe490724c3aaec0cc4248619 100755
--- a/wetb/prepost/Simulations.py
+++ b/wetb/prepost/Simulations.py
@@ -1797,10 +1797,14 @@ class PBS(object):
         # run in 32-bit or 64-bit mode. Note this uses the same assumptions
         # on how to configure wine in toolbox/pbsutils/config-wine-hawc2.sh
         wineparam = (wine_arch, wine_prefix)
-        self.winebase = 'time WINEARCH=%s WINEPREFIX=%s ' % wineparam
-
-        self.wine = self.winebase + 'wine'
-        self.winenumactl = self.winebase + 'numactl --physcpubind=$CPU_NR wine'
+        if wine_arch==None or wine_prefix==None:
+            self.winebase = 'time '
+            self.wine = self.winebase
+            self.winenumactl = self.winebase + 'numactl --physcpubind=$CPU_NR'
+        else:
+            self.winebase = 'time WINEARCH=%s WINEPREFIX=%s ' % wineparam
+            self.wine = self.winebase + 'wine'
+            self.winenumactl = self.winebase + 'numactl --physcpubind=$CPU_NR wine'
 
         # in case you want to redirect stdout to /dev/nul, append as follows:
         # '> /dev/null 2>&1'
@@ -1819,10 +1823,12 @@ class PBS(object):
         self.secperiter = 0.012
 
         # determine at runtime if winefix has to be ran
-        self.winefix = '  _HOSTNAME_=`hostname`\n'
-        self.winefix += '  if [[ ${_HOSTNAME_:0:1} == "j" ]] ; then\n'
-        self.winefix += '    WINEARCH=%s WINEPREFIX=%s winefix\n' % wineparam
-        self.winefix += '  fi\n'
+        self.winefix = ''
+        if wine_arch!=None or wine_prefix!=None:
+            self.winefix = '  _HOSTNAME_=`hostname`\n'
+            self.winefix += '  if [[ ${_HOSTNAME_:0:1} == "j" ]] ; then\n'
+            self.winefix += '    WINEARCH=%s WINEPREFIX=%s winefix\n' % wineparam
+            self.winefix += '  fi\n'
 
         # the output channels comes with a price tag. Each time step
         # will have a penelty depending on the number of output channels
diff --git a/wetb/prepost/dlctemplate.py b/wetb/prepost/dlctemplate.py
index 56cb207fa10801dcc93d6a370a656c2269ce0e4f..25a9ddde4e295ef64cd6f9e41c48524830068da4 100644
--- a/wetb/prepost/dlctemplate.py
+++ b/wetb/prepost/dlctemplate.py
@@ -268,7 +268,7 @@ def launch_dlcs_excel(sim_id, silent=False, verbose=False, pbs_turb=False,
                       walltime='04:00:00', postpro_node=False, compress=False,
                       dlcs_dir='htc/DLCs', postpro_node_zipchunks=True,
                       wine_arch='win32', wine_prefix='~/.wine32',
-                      m=[3,4,6,8,9,10,12]):
+                      m=[3,4,6,8,9,10,12], module='', linux=False):
     """
     Launch load cases defined in Excel files
     """
@@ -282,6 +282,12 @@ def launch_dlcs_excel(sim_id, silent=False, verbose=False, pbs_turb=False,
     else:
         pyenv = None
 
+    # FIXME: THIS IS VERY MESSY, we have wine_prefix/arch and exesingle/chunks
+    if linux:
+        wine_arch = None
+        wine_prefix = None
+        module = 'module load mpi/openmpi_1.6.5_intelv14.0.0\n'
+
     # if linux:
     #     pyenv = 'wetb_py3'
     #     pyenv_cmd = 'source /home/python/miniconda3/bin/activate'
@@ -367,11 +373,12 @@ def launch_dlcs_excel(sim_id, silent=False, verbose=False, pbs_turb=False,
         create_chunks_htc_pbs(cases, sort_by_values=sorts_on, queue='workq',
                               ppn=20, nr_procs_series=3, walltime='20:00:00',
                               chunks_dir='zip-chunks-jess', compress=compress,
-                              wine_arch=wine_arch, wine_prefix=wine_prefix)
-        create_chunks_htc_pbs(cases, sort_by_values=sorts_on, queue='workq',
-                              ppn=12, nr_procs_series=3, walltime='20:00:00',
-                              chunks_dir='zip-chunks-gorm', compress=compress,
-                              wine_arch=wine_arch, wine_prefix=wine_prefix)
+                              wine_arch=wine_arch, wine_prefix=wine_prefix,
+                              prelude=module)
+#        create_chunks_htc_pbs(cases, sort_by_values=sorts_on, queue='workq',
+#                              ppn=12, nr_procs_series=3, walltime='20:00:00',
+#                              chunks_dir='zip-chunks-gorm', compress=compress,
+#                              wine_arch=wine_arch, wine_prefix=wine_prefix)
 
     df = sim.Cases(cases).cases2df()
     df.to_excel(os.path.join(POST_DIR, sim_id + '.xls'))
@@ -706,6 +713,9 @@ if __name__ == '__main__':
     parser.add_argument('--wine_prefix', action='store', default='~/.wine32',
                         type=str, dest='wine_prefix', help='WINEPREFIX: '
                         'Directory used by wineserver. Default ~/.wine32')
+    parser.add_argument('--linux', action='store_true', default=False,
+                        dest='linux', help='Do not use wine. Implies that '
+                        'wine_prefix and wine_arch to None.')
     opt = parser.parse_args()
 
     # Wholer coefficients to be considered for the fatigue analysis
diff --git a/wetb/prepost/simchunks.py b/wetb/prepost/simchunks.py
index 47c27d5f21af511e4305b7e1ea934c12a4f83301..a6498c63ca8c6ab71da880e92729c4b14507fad3 100644
--- a/wetb/prepost/simchunks.py
+++ b/wetb/prepost/simchunks.py
@@ -39,7 +39,7 @@ def create_chunks_htc_pbs(cases, sort_by_values=['[Windspeed]'], ppn=20, i0=0,
                           walltime='24:00:00', chunks_dir='zip-chunks-jess',
                           wine_arch='win32', wine_prefix='~/.wine32',
                           pyenv_cmd='source /home/python/miniconda3/bin/activate',
-                          pyenv='wetb_py3'):
+                          pyenv='wetb_py3', prelude=''):
     """Group a large number of simulations htc and pbs launch scripts into
     different zip files so we can run them with find+xargs on various nodes.
     """
@@ -214,6 +214,10 @@ def create_chunks_htc_pbs(cases, sort_by_values=['[Windspeed]'], ppn=20, i0=0,
         pbs = pbs.replace('[queue]', queue)
         pbs += '\necho "%s"\n' % ('-'*70)
 
+        # run prelude code
+        # =====================================================================
+        pbs += prelude
+
         # =====================================================================
         # activate the python environment
         if pyenv is not None:
@@ -224,13 +228,14 @@ def create_chunks_htc_pbs(cases, sort_by_values=['[Windspeed]'], ppn=20, i0=0,
             # is this because it is activated at the same time on another node?
             # check twice if the environment got activated for real,
             # but only do so for /home/python/miniconda
-            pbs += 'echo "CHECK 2x IF %s IS ACTIVE, IF NOT TRY AGAIN"\n' % pyenv
-            pbs += 'CMD=\"from distutils.sysconfig import get_python_lib;'
-            pbs += 'print (get_python_lib().find(\'/usr/lib/python\'))"\n'
-            pbs += 'ACTIVATED=`python -c "$CMD"`\n'
-            pbs += 'if [ $ACTIVATED -eq 0 ]; then %s %s;fi\n' % rpl
-            pbs += 'ACTIVATED=`python -c "$CMD"`\n'
-            pbs += 'if [ $ACTIVATED -eq 0 ]; then %s %s;fi\n' % rpl
+            if pyenv_cmd.find('miniconda') > -1:
+                pbs += 'echo "CHECK 2x IF %s IS ACTIVE, IF NOT TRY AGAIN"\n' % pyenv
+                pbs += 'CMD=\"from distutils.sysconfig import get_python_lib;'
+                pbs += 'print (get_python_lib().find(\'/usr/lib/python\'))"\n'
+                pbs += 'ACTIVATED=`python -c "$CMD"`\n'
+                pbs += 'if [ $ACTIVATED -eq 0 ]; then %s %s;fi\n' % rpl
+                pbs += 'ACTIVATED=`python -c "$CMD"`\n'
+                pbs += 'if [ $ACTIVATED -eq 0 ]; then %s %s;fi\n' % rpl
 
         # =====================================================================
         # create all necessary directories at CPU_NR dirs
@@ -397,7 +402,8 @@ def create_chunks_htc_pbs(cases, sort_by_values=['[Windspeed]'], ppn=20, i0=0,
         pbs += "echo 'current working directory:'\n"
         pbs += 'pwd\n'
         pbs += 'echo "START RUNNING JOBS IN find+xargs MODE"\n'
-        pbs += 'WINEARCH=%s WINEPREFIX=%s winefix\n' % wineparam
+        if wine_arch!=None or wine_prefix!=None:
+            pbs += 'WINEARCH=%s WINEPREFIX=%s winefix\n' % wineparam
         pbs += '# run all the PBS *.p files in find+xargs mode\n'
         pbs += 'echo "following cases will be run from following path:"\n'
         pbs += 'echo "%s"\n' % (os.path.join(sim_id, pbs_in_base))
@@ -479,11 +485,12 @@ def create_chunks_htc_pbs(cases, sort_by_values=['[Windspeed]'], ppn=20, i0=0,
             pbs += 'source deactivate\n'
         pbs += 'echo "DONE !!"\n'
         pbs += '\necho "%s"\n' % ('-'*70)
-        pbs += '# in case wine has crashed, kill any remaining wine servers\n'
-        pbs += '# caution: ALL the users wineservers will die on this node!\n'
-        pbs += 'echo "following wineservers are still running:"\n'
-        pbs += 'ps -u $USER -U $USER | grep wineserver\n'
-        pbs += 'killall -u $USER wineserver\n'
+        if wine_arch!=None or wine_prefix!=None:
+            pbs += '# in case wine has crashed, kill any remaining wine servers\n'
+            pbs += '# caution: ALL the users wineservers will die on this node!\n'
+            pbs += 'echo "following wineservers are still running:"\n'
+            pbs += 'ps -u $USER -U $USER | grep wineserver\n'
+            pbs += 'killall -u $USER wineserver\n'
         pbs += 'exit\n'
 
         rpl = (sim_id, ii)