diff --git a/devops.sh b/devops.sh
new file mode 100644
index 0000000..19c3ddc
--- /dev/null
+++ b/devops.sh
@@ -0,0 +1,127 @@
+# /bin/bash
+
+KATZENMINT=0
+MIX=0
+PROVIDER=0
+ERROR=0
+CONFIGDIR=$(pwd)
+BINARYDIR=$(pwd)
+
+while [ $# -gt 0 ]; do
+	case "$1" in
+		--katzenmint)
+			KATZENMINT=1
+			;;
+		--mix)
+			MIX=1
+			;;
+		--provider)
+			PROVIDER=1
+			;;
+    --configdir)
+      CONFIGDIR="$2"
+      shift
+      ;;
+    --binarydir)
+      BINARYDIR="$2"
+      shift
+      ;;
+		*)
+			echo "Illegal option $1"
+			ERROR=1
+			;;
+	esac
+	shift $(( $# > 0 ? 1 : 0 ))
+done
+
+usage () {
+	cat <<EOF
+
+Usage:
+  sh devops.sh [options]
+  example: sh devops --katzenmint
+
+Available options:
+  --katzenmint update katzenmint
+  --mix update mix
+  --provider update provider
+  --configdir config directory
+  --binarydir binary directory
+EOF
+	exit 1
+}
+
+stopRemoteService () {
+  echo "stop $1..."
+  ansible-playbook -i testnet/remote/ansible/inventory/digital_ocean.py -l $1 testnet/remote/ansible/stop.yml
+  if [ $? -ne 0 ]; then
+    echo "failed to stop $1"
+    exit 1
+  fi
+}
+
+main () {
+  if [ ! -d "$CONFIGDIR" ]; then
+    echo "config directory not existed"
+    exit 1
+  fi
+  if [ ! -d "$BINARYDIR" ]; then
+    echo "binary directory not existed"
+    exit 1
+  fi
+  if [ $KATZENMINT = 1 ]; then
+    echo "update katzenmints..."
+    
+    stopRemoteService "mixnet"
+    stopRemoteService "providernet"
+    stopRemoteService "sentrynet"
+
+    echo "upload binary files"
+    ansible-playbook -i testnet/remote/ansible/inventory/digital_ocean.py -l sentrynet testnet/remote/ansible/config.yml -e CONFIGDIR=$CONFIGDIR -e BINARY=$BINARYDIR/katzenmint
+    if [ $? -ne 0 ]; then
+      echo "failed to upload"
+    fi
+    
+    ansible-playbook -i testnet/remote/ansible/inventory/digital_ocean.py -l sentrynet testnet/remote/ansible/status.yml
+  fi
+
+  if [ $MIX = 1 ]; then
+    if [ $KATZENMINT = 0 ]; then
+      stopRemoteService "mixnet"
+    fi
+
+    echo "upload binary files"
+    ansible-playbook -i testnet/remote/ansible/inventory/digital_ocean.py -l mixnet testnet/remote/ansible/config.yml -e CONFIGDIR=$CONFIGDIR -e BINARY=$BINARYDIR/meson-server
+    if [ $? -ne 0 ]; then
+      echo "failed to upload"
+    fi
+
+    ansible-playbook -i testnet/remote/ansible/inventory/digital_ocean.py -l mixnet testnet/remote/ansible/status.yml
+  fi
+
+  if [ $PROVIDER = 1 ]; then
+    if [ $KATZENMINT = 0 ]; then
+      stopRemoteService "providernet"
+    fi
+
+    echo "upload binary files"
+    ansible-playbook -i testnet/remote/ansible/inventory/digital_ocean.py -l providernet testnet/remote/ansible/config.yml -e CONFIGDIR=$CONFIGDIR -e BINARY=$BINARYDIR
+    if [ $? -ne 0 ]; then
+      echo "failed to upload"
+    fi
+    
+    ansible-playbook -i testnet/remote/ansible/inventory/digital_ocean.py -l providernet testnet/remote/ansible/status.yml
+  fi
+}
+
+if [ $KATZENMINT = 0 ] && [ $MIX = 0 ] && [ $PROVIDER = 0 ]; then
+	usage
+fi
+
+if [ $ERROR = 1 ]; then
+	usage
+fi
+
+
+
+main
\ No newline at end of file