diff --git a/README.md b/README.md
index e00c781..8d85b1f 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,7 @@ For Otel module build and tests:
 ### Fedora
 - install zlib-ng-compat-devel and zlib-ng-compat-static for zlib, not zlibrary-devel or zlib-ng-devel.
 - fedora also seems to need the openssl-devel-engine package.
+- need perl-Test-Harness and perl-FindBin and perl-Sys-Hostname for the nginx tests
 
 ## Usage
 Invoke `test.sh` with some or all of the following flags:
diff --git a/nginx.sh b/nginx.sh
index 85ac7ef..0231a89 100644
--- a/nginx.sh
+++ b/nginx.sh
@@ -52,7 +52,7 @@ function build_nginx() {
 		--with-stream_ssl_module \
 		--with-stream_realip_module \
 		--with-stream_ssl_preread_module \
-		--with-debug && \
+		--with-debug
 	make -j$(num_jobs)
 }
 
@@ -67,13 +67,23 @@ function clean_nginx() {
 }
 
 function build_otel() {
-	mkdir -p build && \
-		cd build && \
-		cmake -DCMAKE_CXX_COMPILER=$(which g++) \
-		      -DNGX_OTEL_NGINX_BUILD_DIR=../../nginx/objs \
-		      -DNGX_OTEL_GRPC=package \
-		      -DCMAKE_CXX_FLAGS="-D_LARGEFILE64_SOURCE" .. && \
-		make -j$(num_jobs)
+	BSDFLG=""
+	if [[ $(uname) == "FreeBSD" ]] || [[ "$(grep "Fedora" /etc/issue)" ]]; then 
+		BSDFLG="-DNGX_OTEL_GRPC=package"
+	fi
+
+	if [[ -d build ]]; then
+		rm -rf build
+	fi
+
+	mkdir -p build
+	cd build
+	cmake -DCMAKE_CXX_COMPILER=$(which g++) \
+		  -DNGX_OTEL_NGINX_BUILD_DIR=../../nginx/objs \
+		  $BSDFLG \
+		  -DCMAKE_BUILD_TYPE=Debug \
+		  -DCMAKE_CXX_FLAGS="-D_LARGEFILE64_SOURCE" ..
+	make -j$(num_jobs)
 }
 
 function test_otel() {
diff --git a/utils.sh b/utils.sh
new file mode 100644
index 0000000..52e51e1
--- /dev/null
+++ b/utils.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+dirn=$(dirname "$0")
+source $dirn/common.sh
+
+function otel() {
+	docker run \
+		--name lgtm \
+		-p 3000:3000 \
+		-p 4317:4317 \
+		-p 4318:4318 \
+		--rm \
+		-ti \
+		-v "$PWD"/container/grafana:/data/grafana \
+		-v "$PWD"/container/prometheus:/data/prometheus \
+		-v "$PWD"/container/loki:/data/loki \
+		-e GF_PATHS_DATA=/data/grafana \
+		docker.io/grafana/otel-lgtm
+}