diff --git a/Dockerfile b/Dockerfile
index c51f5cc..2be9445 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,16 +25,9 @@ RUN \
 	sudo \
 	tcptraceroute \
 	ttf-dejavu && \
- echo "**** give abc sudo access to traceroute & tcptraceroute & tcpping ****" && \
- echo \
- "abc ALL=(ALL) NOPASSWD: /usr/bin/traceroute" >> \
-	/etc/sudoers.d/traceroute && \
- echo \
- "abc ALL=(ALL) NOPASSWD: /usr/bin/tcptraceroute" >> \
-	/etc/sudoers.d/tcptraceroute && \
- echo \
- "abc ALL=(ALL) NOPASSWD: /usr/bin/tcpping" >> \
-	/etc/sudoers.d/tcpping && \
+ echo "**** give setuid access to traceroute & tcptraceroute ****" && \
+ chmod a+s /usr/bin/traceroute && \
+ chmod a+s /usr/bin/tcptraceroute && \
  echo "**** fix path to cropper.js ****" && \
  sed -i 's#src="/cropper/#/src="cropper/#' /etc/smokeping/basepage.html && \
  echo "**** install tcping script ****" && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 9c4504a..147bf4b 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -25,16 +25,9 @@ RUN \
 	sudo \
 	tcptraceroute \
 	ttf-dejavu && \
- echo "**** give abc sudo access to traceroute & tcptraceroute & tcpping ****" && \
- echo \
- "abc ALL=(ALL) NOPASSWD: /usr/bin/traceroute" >> \
-	/etc/sudoers.d/traceroute && \
- echo \
- "abc ALL=(ALL) NOPASSWD: /usr/bin/tcptraceroute" >> \
-	/etc/sudoers.d/tcptraceroute && \
- echo \
- "abc ALL=(ALL) NOPASSWD: /usr/bin/tcpping" >> \
-	/etc/sudoers.d/tcpping && \
+ echo "**** give setuid access to traceroute & tcptraceroute ****" && \
+ chmod a+s /usr/bin/traceroute && \
+ chmod a+s /usr/bin/tcptraceroute && \
  echo "**** fix path to cropper.js ****" && \
  sed -i 's#src="/cropper/#/src="cropper/#' /etc/smokeping/basepage.html && \
  echo "**** install tcping script ****" && \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 8e21771..9396a22 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -25,16 +25,9 @@ RUN \
 	sudo \
 	tcptraceroute \
 	ttf-dejavu && \
- echo "**** give abc sudo access to traceroute & tcptraceroute & tcpping ****" && \
- echo \
- "abc ALL=(ALL) NOPASSWD: /usr/bin/traceroute" >> \
-	/etc/sudoers.d/traceroute && \
- echo \
- "abc ALL=(ALL) NOPASSWD: /usr/bin/tcptraceroute" >> \
-	/etc/sudoers.d/tcptraceroute && \
- echo \
- "abc ALL=(ALL) NOPASSWD: /usr/bin/tcpping" >> \
-	/etc/sudoers.d/tcpping && \
+ echo "**** give setuid access to traceroute & tcptraceroute ****" && \
+ chmod a+s /usr/bin/traceroute && \
+ chmod a+s /usr/bin/tcptraceroute && \
  echo "**** fix path to cropper.js ****" && \
  sed -i 's#src="/cropper/#/src="cropper/#' /etc/smokeping/basepage.html && \
  echo "**** install tcping script ****" && \