diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 87f92b7..a33271f 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -14,6 +14,7 @@ on:
       - ".github/workflows/macos.yml"
       - ".github/workflows/debian-cache.yml"
       - "docs/**"
+      - 'tools/**'
       - ".readthedocs.yaml"
       - "README.md"
 
diff --git a/tools/qemu-ubuntu-img/14.04/Dockerfile b/tools/qemu-ubuntu-img/14.04/Dockerfile
deleted file mode 100644
index a5c6af4..0000000
--- a/tools/qemu-ubuntu-img/14.04/Dockerfile
+++ /dev/null
@@ -1,35 +0,0 @@
-# Copyright 2018 Mikhail Klementev. All rights reserved.
-# Use of this source code is governed by a AGPLv3 license
-# (or later) that can be found in the LICENSE file.
-#
-# Usage:
-#
-#     $ docker build -t gen-ubuntu1404-image .
-#     $ docker run --privileged -v $(pwd):/shared -t gen-ubuntu1404-image
-#
-# ubuntu1404.img will be created in current directory. You can change $(pwd) to
-# different directory to use different destination for image.
-#
-FROM ubuntu:14.04
-
-ENV DEBIAN_FRONTEND=noninteractive
-RUN apt-get update
-RUN apt-get install -y debootstrap qemu
-
-ENV TMPDIR=/tmp/ubuntu
-ENV IMAGEDIR=/tmp/image
-ENV IMAGE=/shared/out_of_tree_ubuntu_14__04.img
-ENV REPOSITORY=http://archive.ubuntu.com/ubuntu
-ENV RELEASE=trusty
-
-RUN mkdir $IMAGEDIR
-
-# Must be executed with --privileged because of /dev/loop
-CMD debootstrap --include=openssh-server,policykit-1 \
-	$RELEASE $TMPDIR $REPOSITORY && \
-	/shared/setup.sh $TMPDIR && \
-	qemu-img create $IMAGE 2G && \
-	mkfs.ext4 -F $IMAGE && \
-	mount -o loop $IMAGE $IMAGEDIR && \
-	cp -a $TMPDIR/* $IMAGEDIR/ && \
-	umount $IMAGEDIR
diff --git a/tools/qemu-ubuntu-img/14.04/setup.sh b/tools/qemu-ubuntu-img/14.04/setup.sh
deleted file mode 100755
index b4a1647..0000000
--- a/tools/qemu-ubuntu-img/14.04/setup.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/sh -eux
-# Copyright 2018 Mikhail Klementev. All rights reserved.
-# Use of this source code is governed by a AGPLv3 license
-# (or later) that can be found in the LICENSE file.
-TMPDIR=$1
-chroot $TMPDIR /bin/sh -c 'useradd -m user'
-sed -i 's/root:\*:/root::/' $TMPDIR/etc/shadow
-sed -i 's/user:!!:/user::/' $TMPDIR/etc/shadow
-echo auth sufficient pam_permit.so > $TMPDIR/etc/pam.d/sshd
-sed -i '/PermitEmptyPasswords/d' $TMPDIR/etc/ssh/sshd_config
-echo PermitEmptyPasswords yes >> $TMPDIR/etc/ssh/sshd_config
-sed -i '/PermitRootLogin/d' $TMPDIR/etc/ssh/sshd_config
-echo PermitRootLogin yes >> $TMPDIR/etc/ssh/sshd_config
-sed -i '/UseDNS/d' $TMPDIR/etc/ssh/sshd_config
-echo UseDNS no >> $TMPDIR/etc/ssh/sshd_config
-
-echo '#!/bin/sh' > $TMPDIR/etc/rc.local
-echo 'dhclient eth0' >> $TMPDIR/etc/rc.local
-chmod +x $TMPDIR/etc/rc.local
diff --git a/tools/qemu-ubuntu-img/generate-images.py b/tools/qemu-ubuntu-img/generate-images.py
index 09eb0e1..9861f9f 100755
--- a/tools/qemu-ubuntu-img/generate-images.py
+++ b/tools/qemu-ubuntu-img/generate-images.py
@@ -7,13 +7,13 @@ script_dir = os.path.dirname(os.path.realpath(__file__))
 os.chdir(script_dir)
 
 releases = [
-    # ('12.04', 'precies'),
-    # ('14.04', 'trusty'),
-    # ('16.04', 'xenial'),
-    # ('18.04', 'bionic'),
-    # ('20.04', 'focal'),
-    # ('22.04', 'jammy'),
-    ('24.04', 'noble'),
+    ('12.04', 'precise', 'http://old-releases.ubuntu.com/ubuntu'),
+    ('14.04', 'trusty', 'http://archive.ubuntu.com/ubuntu'),
+    ('16.04', 'xenial', 'http://archive.ubuntu.com/ubuntu'),
+    ('18.04', 'bionic', 'http://archive.ubuntu.com/ubuntu'),
+    ('20.04', 'focal', 'http://archive.ubuntu.com/ubuntu'),
+    ('22.04', 'jammy', 'http://archive.ubuntu.com/ubuntu'),
+    ('24.04', 'noble', 'http://archive.ubuntu.com/ubuntu')
 ]
 
 template = '''
@@ -27,7 +27,7 @@ RUN apt install -y linux-image-generic
 ENV TMPDIR=/tmp/ubuntu
 ENV IMAGEDIR=/tmp/image
 ENV IMAGE=/shared/out_of_tree_ubuntu_{img_version}.img
-ENV REPOSITORY=http://archive.ubuntu.com/ubuntu
+ENV REPOSITORY={repository}
 ENV RELEASE={codename}
 
 RUN mkdir $IMAGEDIR
@@ -47,7 +47,7 @@ def run_cmd(cmd):
     print(f"+ {cmd}")
     subprocess.run(cmd, shell=True, check=True, executable='/bin/bash')
 
-for version, codename in releases:
+for version, codename, repository in releases:
     numeric_version = version.replace('.', '')
     img_version=version.replace(".","__")
 
@@ -55,6 +55,7 @@ for version, codename in releases:
         version=version,
         img_version=img_version,
         codename=codename,
+        repository=repository,
         numeric_version=numeric_version)
 
     os.makedirs(str(version), exist_ok=True)