diff --git a/setup_apps.sh b/setup_apps.sh
index e39f83b..7a2bbf0 100644
--- a/setup_apps.sh
+++ b/setup_apps.sh
@@ -19,9 +19,11 @@ echo "Install and config python & jupyter..."
 apt-get update && \
 apt-get install -y ipmitool && modprobe ipmi_devintf && \
 apt-get install -y python3-pip nodejs npm git && \
+apt-add-repository -y ppa:cantera-team/cantera && \
+apt-get install -y cantera-python3 && \
 python3 -m pip install jupyterhub && \
 npm install -g configurable-http-proxy && \
-python3 -m pip install jupyterlab notebook tensorflow jupyterlab-git && \
+python3 -m pip install jupyterlab notebook jupyterlab-git tensorflow && \
 python3 -m pip install h5py tqdm pandas ipywidgets pillow matplotlib && \
 python3 -m pip install scipy scikit-learn && \
 mkdir /etc/jupyterhub/ && \
diff --git a/setup_bcache.sh b/setup_bcache.sh
index 2d411ed..019e60a 100644
--- a/setup_bcache.sh
+++ b/setup_bcache.sh
@@ -19,8 +19,8 @@ while [ -b /dev/bcache0 ]
 fi
 
 echo "Clean disks and setup bcache... "
-dd if=/dev/zero if=$ssddev bs=512 count=8 && \
-dd if=/dev/zero if=$hdddev bs=512 count=8 && \
+dd if=/dev/zero of=$ssddev bs=512 count=8 && \
+dd if=/dev/zero of=$hdddev bs=512 count=8 && \
 wipefs -a $ssddev && \
 wipefs -a $hdddev && \
 apt-get update && \