diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 30823fe..51605ec 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -34,7 +34,7 @@ jobs:
 
       - name: setup sshd server
         run: |
-          apk add git make curl perl bash build-base zlib-dev ucl-dev
+          apk add git make curl perl bash build-base zlib-dev ucl-dev sudo
           make ssh-server
 
       - name: testing
diff --git a/Makefile b/Makefile
index ce632e1..d8878db 100644
--- a/Makefile
+++ b/Makefile
@@ -104,6 +104,15 @@ ssh-server:
 	cat tests/.ssh/test.pub >> /home/drone-scp/.ssh/authorized_keys
 	chmod 600 /home/drone-scp/.ssh/authorized_keys
 	chown -R drone-scp /home/drone-scp/.ssh
+	# add public key to root user
+	mkdir -p /root/.ssh
+	chmod 700 /root/.ssh
+	cat tests/.ssh/id_rsa.pub >> /root/.ssh/authorized_keys
+	cat tests/.ssh/test.pub >> /root/.ssh/authorized_keys
+	chmod 600 /root/.ssh/authorized_keys
+	# Append the following entry to run ALL command without a password for a user named drone-scp:
+	cat tests/sudoers >> /etc/sudoers.d/sudoers
+	# install ssh and start server
 	apk add --update openssh openrc
 	rm -rf /etc/ssh/ssh_host_rsa_key /etc/ssh/ssh_host_dsa_key
 	sed -i 's/^#PubkeyAuthentication yes/PubkeyAuthentication yes/g' /etc/ssh/sshd_config