diff --git a/.env.sample b/.env.sample
index cbecb63af1906a8c580718c7f375b38d7f2e0f4a..c04e637e876a70da7ce9fe4d7041a8b343aa59c8 100644
--- a/.env.sample
+++ b/.env.sample
@@ -21,3 +21,6 @@ SPYDER=true
 ANACONDA=true
 # Install QGIS
 QGIS=true
+# Should the user have sudo rights
+# **only home is a volume, any modifcation in other FS will be lost**
+SUDO=true
diff --git a/docker-compose.yml b/docker-compose.yml
index f56423cd776bfaf03e198857dc0ba3492e6158ed..4f01aed8cba09294be3944f3f32bccd6e0b71df7 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -16,6 +16,7 @@ services:
         - QGIS=${QGIS}
         - ANACONDA=${ANACONDA}
         - KASM_USER=${VNC_USER}
+        - SUDO=${SUDO}
     image: "kasmvnc-ubuntu-noble:spyder-${SPYDER}_anaconda-${ANACONDA}_QGIS-${QGIS}"
     shm_size: '512m'
     volumes:
diff --git a/docker/kasm/Dockerfile b/docker/kasm/Dockerfile
index 8348ce8c78b5a059ace8baa9a02f33dab36baa7e..62ffbed551ffa0e8bd75a22508b7b5d18854ecef 100644
--- a/docker/kasm/Dockerfile
+++ b/docker/kasm/Dockerfile
@@ -12,6 +12,7 @@ ARG SPYDER
 ARG QGIS
 ARG ANACONDA
 ARG ANACONDA_VERS=Anaconda3-2024.02-1
+ARG SUDO
 ARG KASM_USER
 
 
@@ -72,6 +73,15 @@ RUN if [ "$QGIS" = true ] ; then \
 
 COPY custom_startup.sh $STARTUPDIR/custom_startup.sh
 COPY change_password.sh /
+RUN if [ "$SUDO" = true ]; then \
+    echo "Defaults        lecture_file = /etc/sudoers.lecture" > /etc/sudoers.d/kasm \
+    echo "%sudo  ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers.d/kasm; \
+    usermod -a -G sudo $KASM_USER \
+    fi
+
+COPY lecture /etc/sudoers.lecture
+
+
 
 ######### End Customizations ###########
 
diff --git a/docker/kasm/lecture b/docker/kasm/lecture
new file mode 100644
index 0000000000000000000000000000000000000000..9d5ab6879ac6afddb092fd057ac2948ab4049d4a
--- /dev/null
+++ b/docker/kasm/lecture
@@ -0,0 +1,9 @@
+################################### WARNING ###################################
+
+Although you have root access, any change to the main file system will be
+dropped upon container restart.
+
+If you whish to install new softwares please contact the system administrator
+for help.
+
+###############################################################################