diff --git a/lib/color b/lib/color
index 2d3d628..7b27e40 100644
--- a/lib/color
+++ b/lib/color
@@ -16,7 +16,7 @@ color_white=""
 
 
 ## ONLY IF PRINTING TO A TERMINAL ##
-if test -t 1; then
+if test -t 1 && [[ -f $(which tput) ]]; then
 	# check count of supported colors
 	color_count=$(TERM=${TERM:-"dumb"} tput colors)
 	if [[ ! -z "$color_count" && "$color_count" -ge 8 ]]; then
diff --git a/lib/toolcheck b/lib/toolcheck
new file mode 100644
index 0000000..5334363
--- /dev/null
+++ b/lib/toolcheck
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+#
+# Make sure all required tools are installed.
+#
+workplace_toolcheck(){
+	## BINARIES IN PATH ##
+	bin_tool_list=("grep")
+	for b in $bin_tool_list; do
+		if [[ ! -f $(which "$b") ]]; then
+			log_error "Missing tool '$b'"
+		fi
+	done
+	
+	
+	## DPKG PACKAGES ##
+	dpkg_tool_list=("sed iptables iproute2")
+	for d in $dpkg_tool_list; do
+		if ! dpkg -s $d 2>&1 | grep -q "Status: install ok installed"; then
+			log_error "Missing tool '$d'"
+		fi
+	done
+}
diff --git a/xynat b/xynat
index d065fb3..b1bf822 100755
--- a/xynat
+++ b/xynat
@@ -15,7 +15,7 @@ VERSION=$(cat ${SCRIPT_DIR}/VERSION | xargs)
 # load libraries
 source "${SCRIPT_DIR}/lib/color"
 source "${SCRIPT_DIR}/lib/log"
-#source "${SCRIPT_DIR}/lib/toolcheck"
+source "${SCRIPT_DIR}/lib/toolcheck"
 source "${SCRIPT_DIR}/lib/sudocheck"
 
 # regex definitions