diff --git a/changelog-entries/680.md b/changelog-entries/680.md
new file mode 100644
index 000000000..d3785d56c
--- /dev/null
+++ b/changelog-entries/680.md
@@ -0,0 +1 @@
+- Added the `PRECICE_TUTORIALS_NO_VENV` environment variable to skip the setup of a Python venv in the run.sh scripts of Python-related tutorials [#680](https://github.com/precice/tutorials/pull/680). Use as `set PRECICE_TUTORIALS_NO_VENV && ./run.sh`.
\ No newline at end of file
diff --git a/channel-transport-reaction/chemical-fenics/run.sh b/channel-transport-reaction/chemical-fenics/run.sh
index 3ed9632e8..e0927a968 100755
--- a/channel-transport-reaction/chemical-fenics/run.sh
+++ b/channel-transport-reaction/chemical-fenics/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-package .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-package .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 python3 chemical-reaction-advection-diffusion.py
 
diff --git a/channel-transport-reaction/fluid-fenics/run.sh b/channel-transport-reaction/fluid-fenics/run.sh
index 120db79ce..ff60931b0 100755
--- a/channel-transport-reaction/fluid-fenics/run.sh
+++ b/channel-transport-reaction/fluid-fenics/run.sh
@@ -4,10 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-package .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
-
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-package .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 python3 fluid.py
 
diff --git a/channel-transport/fluid-nutils/run.sh b/channel-transport/fluid-nutils/run.sh
index cdb96dfed..641f4f465 100755
--- a/channel-transport/fluid-nutils/run.sh
+++ b/channel-transport/fluid-nutils/run.sh
@@ -4,9 +4,13 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
+
 python3 fluid.py
 
 close_log
diff --git a/channel-transport/transport-nutils/run.sh b/channel-transport/transport-nutils/run.sh
index 3a604fda5..c36a5bf49 100755
--- a/channel-transport/transport-nutils/run.sh
+++ b/channel-transport/transport-nutils/run.sh
@@ -4,9 +4,13 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
+
 python3 transport.py "$@"
 
 close_log
diff --git a/elastic-tube-1d/fluid-python/run.sh b/elastic-tube-1d/fluid-python/run.sh
index 9f36f4e56..381bf0c1b 100755
--- a/elastic-tube-1d/fluid-python/run.sh
+++ b/elastic-tube-1d/fluid-python/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 python3 ./FluidSolver.py ../precice-config.xml
 
diff --git a/elastic-tube-1d/solid-python/run.sh b/elastic-tube-1d/solid-python/run.sh
index 02bcad4a8..60fba521e 100755
--- a/elastic-tube-1d/solid-python/run.sh
+++ b/elastic-tube-1d/solid-python/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 python3 ./SolidSolver.py ../precice-config.xml
 
diff --git a/elastic-tube-3d/solid-fenics/run.sh b/elastic-tube-3d/solid-fenics/run.sh
index 93a508e26..a06dd46bb 100755
--- a/elastic-tube-3d/solid-fenics/run.sh
+++ b/elastic-tube-3d/solid-fenics/run.sh
@@ -4,8 +4,11 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-package .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-package .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 python3 solid.py
diff --git a/flow-around-controlled-moving-cylinder/controller-fmi/run.sh b/flow-around-controlled-moving-cylinder/controller-fmi/run.sh
index 76fb0a70c..57be1215c 100755
--- a/flow-around-controlled-moving-cylinder/controller-fmi/run.sh
+++ b/flow-around-controlled-moving-cylinder/controller-fmi/run.sh
@@ -15,9 +15,12 @@ if [ ! -f PIDcontroller.fmu ]; then
   cd ../../
 fi
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 fmiprecice ./fmi-settings.json ./precice-settings.json
 
diff --git a/flow-around-controlled-moving-cylinder/solid-python/run.sh b/flow-around-controlled-moving-cylinder/solid-python/run.sh
index a2b5ee205..0b6c1f894 100755
--- a/flow-around-controlled-moving-cylinder/solid-python/run.sh
+++ b/flow-around-controlled-moving-cylinder/solid-python/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 python3 solid.py ../precice-config.xml
 
diff --git a/flow-over-heated-plate/fluid-su2/run.sh b/flow-over-heated-plate/fluid-su2/run.sh
index d047b7e8d..db3ab8b76 100755
--- a/flow-over-heated-plate/fluid-su2/run.sh
+++ b/flow-over-heated-plate/fluid-su2/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-package .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 SU2_preCICE_CHT.py -f laminar_config_unsteady.cfg -r --parallel
 
diff --git a/flow-over-heated-plate/solid-dunefem/run.sh b/flow-over-heated-plate/solid-dunefem/run.sh
index b24be62c1..3c0c73f5c 100755
--- a/flow-over-heated-plate/solid-dunefem/run.sh
+++ b/flow-over-heated-plate/solid-dunefem/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 python3 solid.py
 
 close_log
diff --git a/flow-over-heated-plate/solid-fenics/run.sh b/flow-over-heated-plate/solid-fenics/run.sh
index 032cd009f..3a0977996 100755
--- a/flow-over-heated-plate/solid-fenics/run.sh
+++ b/flow-over-heated-plate/solid-fenics/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-package .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 python3 solid.py
 
diff --git a/flow-over-heated-plate/solid-nutils/run.sh b/flow-over-heated-plate/solid-nutils/run.sh
index b24be62c1..3c0c73f5c 100755
--- a/flow-over-heated-plate/solid-nutils/run.sh
+++ b/flow-over-heated-plate/solid-nutils/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 python3 solid.py
 
 close_log
diff --git a/oscillator/mass-left-fmi/run.sh b/oscillator/mass-left-fmi/run.sh
index 922d816a4..2d8940011 100755
--- a/oscillator/mass-left-fmi/run.sh
+++ b/oscillator/mass-left-fmi/run.sh
@@ -16,9 +16,12 @@ if [ ! -f ../solver-fmi/Oscillator.fmu ]; then
   cd ../../../mass-left-fmi
 fi
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 fmiprecice fmi-settings.json precice-settings.json
 python3 ../solver-fmi/calculate-error.py ../mass-left-fmi/fmi-settings.json ../mass-left-fmi/precice-settings.json ../mass-right-fmi/fmi-settings.json ../mass-right-fmi/precice-settings.json Mass-Left
diff --git a/oscillator/mass-right-fmi/run.sh b/oscillator/mass-right-fmi/run.sh
index a628fe8ae..7cd85afd9 100755
--- a/oscillator/mass-right-fmi/run.sh
+++ b/oscillator/mass-right-fmi/run.sh
@@ -16,9 +16,12 @@ if [ ! -f ../solver-fmi/Oscillator.fmu ]; then
   cd ../../../mass-right-fmi
 fi
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 fmiprecice fmi-settings.json precice-settings.json
 python3 ../solver-fmi/calculate-error.py ../mass-left-fmi/fmi-settings.json ../mass-left-fmi/precice-settings.json ../mass-right-fmi/fmi-settings.json ../mass-right-fmi/precice-settings.json Mass-Right
diff --git a/partitioned-heat-conduction-complex/dirichlet-fenics/run.sh b/partitioned-heat-conduction-complex/dirichlet-fenics/run.sh
index 655407447..feccfc7b7 100755
--- a/partitioned-heat-conduction-complex/dirichlet-fenics/run.sh
+++ b/partitioned-heat-conduction-complex/dirichlet-fenics/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r ../solver-fenics/requirements.txt
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-packages .venv
+    . .venv/bin/activate
+    pip install -r ../solver-fenics/requirements.txt
+fi
 
 python3 ../solver-fenics/heat.py -d -i complex
 
diff --git a/partitioned-heat-conduction-complex/neumann-fenics/run.sh b/partitioned-heat-conduction-complex/neumann-fenics/run.sh
index e9a09cd54..e505b7711 100755
--- a/partitioned-heat-conduction-complex/neumann-fenics/run.sh
+++ b/partitioned-heat-conduction-complex/neumann-fenics/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r ../solver-fenics/requirements.txt
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-packages .venv
+    . .venv/bin/activate
+    pip install -r ../solver-fenics/requirements.txt
+fi
 
 python3 ../solver-fenics/heat.py -n -i complex
 
diff --git a/partitioned-heat-conduction-direct/dirichlet-nutils/run.sh b/partitioned-heat-conduction-direct/dirichlet-nutils/run.sh
index cafde6cdb..2d3ff34db 100755
--- a/partitioned-heat-conduction-direct/dirichlet-nutils/run.sh
+++ b/partitioned-heat-conduction-direct/dirichlet-nutils/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 rm -rf Dirichlet-*.vtk
 NUTILS_RICHOUTPUT=no python3 heat.py
diff --git a/partitioned-heat-conduction-direct/neumann-nutils/run.sh b/partitioned-heat-conduction-direct/neumann-nutils/run.sh
index 8183d6603..54734b5f9 100755
--- a/partitioned-heat-conduction-direct/neumann-nutils/run.sh
+++ b/partitioned-heat-conduction-direct/neumann-nutils/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 rm -rf Neumann-*.vtk
 NUTILS_RICHOUTPUT=no python3 heat.py
diff --git a/partitioned-heat-conduction-overlap/left-fenics/run.sh b/partitioned-heat-conduction-overlap/left-fenics/run.sh
index 5304329a4..b19c1f5d9 100755
--- a/partitioned-heat-conduction-overlap/left-fenics/run.sh
+++ b/partitioned-heat-conduction-overlap/left-fenics/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r ../solver-fenics/requirements.txt
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-packages .venv
+    . .venv/bin/activate
+    pip install -r ../solver-fenics/requirements.txt
+fi
 
 python3 ../solver-fenics/heat.py Left
 
diff --git a/partitioned-heat-conduction-overlap/right-fenics/run.sh b/partitioned-heat-conduction-overlap/right-fenics/run.sh
index 1df24c1db..b8f73ac22 100755
--- a/partitioned-heat-conduction-overlap/right-fenics/run.sh
+++ b/partitioned-heat-conduction-overlap/right-fenics/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r ../solver-fenics/requirements.txt
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-packages .venv
+    . .venv/bin/activate
+    pip install -r ../solver-fenics/requirements.txt
+fi
 
 python3 ../solver-fenics/heat.py Right
 
diff --git a/partitioned-heat-conduction/dirichlet-fenics/run.sh b/partitioned-heat-conduction/dirichlet-fenics/run.sh
index 5561ced17..880f966a2 100755
--- a/partitioned-heat-conduction/dirichlet-fenics/run.sh
+++ b/partitioned-heat-conduction/dirichlet-fenics/run.sh
@@ -1,13 +1,16 @@
 #!/usr/bin/env bash
 set -e -u
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r ../solver-fenics/requirements.txt
-
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-packages .venv
+    . .venv/bin/activate
+    pip install -r ../solver-fenics/requirements.txt
+fi
+
 if [ $# -eq 0 ] 
 then
     echo "Running simulation with default FEniCS implementation"
@@ -27,9 +30,12 @@ else
             python3 ../solver-fenics/heatHigherOrder.py Dirichlet
             ;;
         sdc)
-            # install pySDC + its dependencies only if needed
-            pip install git+https://github.com/Parallel-in-Time/pySDC@5.5.0
-            pip install pySDC~=5.5
+            if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+            then
+                # install pySDC + its dependencies only if needed
+                pip install git+https://github.com/Parallel-in-Time/pySDC@5.5.0
+                pip install pySDC~=5.5
+            fi
             echo "Running simulation with pySDC+FEniCS implementation"
             python3 ../solver-fenics/heat_pySDC.py Dirichlet
             ;;
diff --git a/partitioned-heat-conduction/dirichlet-nutils/run.sh b/partitioned-heat-conduction/dirichlet-nutils/run.sh
index cafde6cdb..2d3ff34db 100755
--- a/partitioned-heat-conduction/dirichlet-nutils/run.sh
+++ b/partitioned-heat-conduction/dirichlet-nutils/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 rm -rf Dirichlet-*.vtk
 NUTILS_RICHOUTPUT=no python3 heat.py
diff --git a/partitioned-heat-conduction/neumann-fenics/run.sh b/partitioned-heat-conduction/neumann-fenics/run.sh
index da9959e4d..cc7a42c41 100755
--- a/partitioned-heat-conduction/neumann-fenics/run.sh
+++ b/partitioned-heat-conduction/neumann-fenics/run.sh
@@ -1,16 +1,15 @@
 #!/usr/bin/env bash
 set -e -u
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r ../solver-fenics/requirements.txt
-
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r ../solver-fenics/requirements.txt
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-packages .venv
+    . .venv/bin/activate
+    pip install -r ../solver-fenics/requirements.txt
+fi
 
 python3 ../solver-fenics/heat.py Neumann
 
diff --git a/partitioned-heat-conduction/neumann-nutils/run.sh b/partitioned-heat-conduction/neumann-nutils/run.sh
index 8183d6603..54734b5f9 100755
--- a/partitioned-heat-conduction/neumann-nutils/run.sh
+++ b/partitioned-heat-conduction/neumann-nutils/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 rm -rf Neumann-*.vtk
 NUTILS_RICHOUTPUT=no python3 heat.py
diff --git a/perpendicular-flap/fluid-fake/run.sh b/perpendicular-flap/fluid-fake/run.sh
index 85316ca94..cae9e3b83 100755
--- a/perpendicular-flap/fluid-fake/run.sh
+++ b/perpendicular-flap/fluid-fake/run.sh
@@ -1,7 +1,10 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 set -e -u
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 python3 fake.py
diff --git a/perpendicular-flap/fluid-nutils/run.sh b/perpendicular-flap/fluid-nutils/run.sh
index cdb96dfed..f68b56661 100755
--- a/perpendicular-flap/fluid-nutils/run.sh
+++ b/perpendicular-flap/fluid-nutils/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 python3 fluid.py
 
 close_log
diff --git a/perpendicular-flap/fluid-su2/run.sh b/perpendicular-flap/fluid-su2/run.sh
index 15b6ae3eb..e6c7a0fcb 100755
--- a/perpendicular-flap/fluid-su2/run.sh
+++ b/perpendicular-flap/fluid-su2/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-packages .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 SU2_preCICE_FSI.py -f euler_config_unsteady.cfg --parallel
 
diff --git a/perpendicular-flap/solid-fake/run.sh b/perpendicular-flap/solid-fake/run.sh
index 85316ca94..cae9e3b83 100755
--- a/perpendicular-flap/solid-fake/run.sh
+++ b/perpendicular-flap/solid-fake/run.sh
@@ -1,7 +1,10 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 set -e -u
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 python3 fake.py
diff --git a/perpendicular-flap/solid-fenics/run.sh b/perpendicular-flap/solid-fenics/run.sh
index 032cd009f..310a8fb12 100755
--- a/perpendicular-flap/solid-fenics/run.sh
+++ b/perpendicular-flap/solid-fenics/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-packages .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 python3 solid.py
 
diff --git a/perpendicular-flap/solid-nutils/run.sh b/perpendicular-flap/solid-nutils/run.sh
index 0837dc6ff..1b0420d63 100755
--- a/perpendicular-flap/solid-nutils/run.sh
+++ b/perpendicular-flap/solid-nutils/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 python3 solid.py richoutput=no
 
 close_log
diff --git a/resonant-circuit/capacitor-python/run.sh b/resonant-circuit/capacitor-python/run.sh
index a68586939..042124adc 100755
--- a/resonant-circuit/capacitor-python/run.sh
+++ b/resonant-circuit/capacitor-python/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 python3 capacitor.py
 
 close_log
diff --git a/resonant-circuit/coil-python/run.sh b/resonant-circuit/coil-python/run.sh
index ddb1cd031..248944c23 100755
--- a/resonant-circuit/coil-python/run.sh
+++ b/resonant-circuit/coil-python/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 python3 coil.py
 
 close_log
diff --git a/turek-hron-fsi3/fluid-nutils/run.sh b/turek-hron-fsi3/fluid-nutils/run.sh
index 6df66157c..d0c4c71f9 100755
--- a/turek-hron-fsi3/fluid-nutils/run.sh
+++ b/turek-hron-fsi3/fluid-nutils/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 python fluid.py
 
 close_log
diff --git a/turek-hron-fsi3/solid-nutils/run.sh b/turek-hron-fsi3/solid-nutils/run.sh
index 802e43e8e..2942ab3ed 100755
--- a/turek-hron-fsi3/solid-nutils/run.sh
+++ b/turek-hron-fsi3/solid-nutils/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 python solid.py
 
 close_log
diff --git a/two-scale-heat-conduction/macro-nutils/run.sh b/two-scale-heat-conduction/macro-nutils/run.sh
index 163f754c8..3cf21c216 100755
--- a/two-scale-heat-conduction/macro-nutils/run.sh
+++ b/two-scale-heat-conduction/macro-nutils/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 python3 macro.py richoutput=no
 
 close_log
diff --git a/two-scale-heat-conduction/micro-nutils/run.sh b/two-scale-heat-conduction/micro-nutils/run.sh
index 3e8f043cb..4e57595db 100755
--- a/two-scale-heat-conduction/micro-nutils/run.sh
+++ b/two-scale-heat-conduction/micro-nutils/run.sh
@@ -6,9 +6,12 @@ exec > >(tee --append "$LOGFILE") 2>&1
 
 usage() { echo "Usage: cmd [-s] [-p n]" 1>&2; exit 1; }
 
-python3 -m venv .venv
-. .venv/bin/activate
-pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv .venv
+    . .venv/bin/activate
+    pip install -r requirements.txt && pip freeze > pip-installed-packages.log
+fi
 
 # Check if no input argument was provided
 if [ -z "$*" ] ; then
diff --git a/volume-coupled-diffusion/drain-fenics/run.sh b/volume-coupled-diffusion/drain-fenics/run.sh
index 47f434ab8..c519019d6 100755
--- a/volume-coupled-diffusion/drain-fenics/run.sh
+++ b/volume-coupled-diffusion/drain-fenics/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r ../solver-fenics/requirements.txt
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-packages .venv
+    . .venv/bin/activate
+    pip install -r ../solver-fenics/requirements.txt
+fi
 
 python3 ../solver-fenics/volume-coupled-diffusion.py --drain
 
diff --git a/volume-coupled-diffusion/source-fenics/run.sh b/volume-coupled-diffusion/source-fenics/run.sh
index a0e1e60ca..76b168162 100755
--- a/volume-coupled-diffusion/source-fenics/run.sh
+++ b/volume-coupled-diffusion/source-fenics/run.sh
@@ -4,9 +4,12 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-python3 -m venv --system-site-packages .venv
-. .venv/bin/activate
-pip install -r ../solver-fenics/requirements.txt
+if [ ! -v PRECICE_TUTORIALS_NO_VENV ]
+then
+    python3 -m venv --system-site-packages .venv
+    . .venv/bin/activate
+    pip install -r ../solver-fenics/requirements.txt
+fi
 
 python3 ../solver-fenics/volume-coupled-diffusion.py --source