diff --git a/tools/ubuntu_package_puller/README.md b/tools/ubuntu_package_puller/README.md
index 0e3051c..2d15318 100644
--- a/tools/ubuntu_package_puller/README.md
+++ b/tools/ubuntu_package_puller/README.md
@@ -22,8 +22,15 @@ We need local shell access to a system to run some commands to create a text fil
 
 ```
 # this will create a text file with the values
+# this originally worked on a VM.
 grep ^Source /var/lib/apt/lists/*_Packages | awk ' {print $2}' | sort -u > source_packages_remote_ubuntu_2004.default
 
+# this works for me pulling the latest ubuntu docker container:
+# apply to all the ubuntu versions
+docker run ubuntu:latest /bin/bash -c "apt-get update && apt-get install lz4 && lz4cat /var/lib/apt/lists/*_Packages.lz4 | grep ^Source | cut -f 2 -d : | cut -f 2 -d ' ' | sort -u "
+```
+
+
 # it is grepping through information that is stored as follows. Below is an example from the package lvm2
 Package: liblvm2cmd2.03
 Architecture: amd64
diff --git a/tools/ubuntu_package_puller/package_data/ubuntu_14.04_source_packages.container b/tools/ubuntu_package_puller/package_data/ubuntu_14.04_source_packages.container
new file mode 100644
index 0000000..e69de29
diff --git a/tools/ubuntu_package_puller/package_data/ubuntu_16.04_source_packages.container b/tools/ubuntu_package_puller/package_data/ubuntu_16.04_source_packages.container
new file mode 100644
index 0000000..e69de29
diff --git a/tools/ubuntu_package_puller/package_data/ubuntu_18.04_source_packages.container b/tools/ubuntu_package_puller/package_data/ubuntu_18.04_source_packages.container
new file mode 100644
index 0000000..e69de29
diff --git a/tools/ubuntu_package_puller/package_data/ubuntu_20.04_source_packages.container b/tools/ubuntu_package_puller/package_data/ubuntu_20.04_source_packages.container
new file mode 100644
index 0000000..e69de29
diff --git a/tools/ubuntu_package_puller/package_data/ubuntu_22.04_source_packages.container b/tools/ubuntu_package_puller/package_data/ubuntu_22.04_source_packages.container
new file mode 100644
index 0000000..e69de29
diff --git a/tools/ubuntu_package_puller/package_data/ubuntu_22.10_source_packages.container b/tools/ubuntu_package_puller/package_data/ubuntu_22.10_source_packages.container
new file mode 100644
index 0000000..e69de29
diff --git a/tools/ubuntu_package_puller/package_data/ubuntu_latest_source_packages.container b/tools/ubuntu_package_puller/package_data/ubuntu_latest_source_packages.container
new file mode 100644
index 0000000..e69de29
diff --git a/tools/ubuntu_package_puller/source_packages_names.sh b/tools/ubuntu_package_puller/source_packages_names.sh
new file mode 100755
index 0000000..dac9169
--- /dev/null
+++ b/tools/ubuntu_package_puller/source_packages_names.sh
@@ -0,0 +1,23 @@
+echo "Now sourcing packages from the following ubuntu distros containers:"
+
+# ubuntu:latest
+docker run ubuntu:latest /bin/bash -c "apt-get update && apt-get install lz4 && lz4cat /var/lib/apt/lists/*_Packages.lz4 | grep ^Source | cut -f 2 -d : | cut -f 2 -d ' ' | sort -u" > package_data/ubuntu_latest_source_packages.container 
+
+# ubuntu:18.04
+docker run ubuntu:18.04 /bin/bash -c "apt-get update && apt-get install lz4 && lz4cat /var/lib/apt/lists/*_Packages.lz4 | grep ^Source | cut -f 2 -d : | cut -f 2 -d ' ' | sort -u" > package_data/ubuntu_18.04_source_packages.container
+
+# ubuntu:20.04
+docker run ubuntu:20.04 /bin/bash -c "apt-get update && apt-get install lz4 && lz4cat /var/lib/apt/lists/*_Packages.lz4 | grep ^Source | cut -f 2 -d : | cut -f 2 -d ' ' | sort -u" > package_data/ubuntu_20.04_source_packages.container
+
+# ubuntu:22.04
+docker run ubuntu:22.04 /bin/bash -c "apt-get update && apt-get install lz4 && lz4cat /var/lib/apt/lists/*_Packages.lz4 | grep ^Source | cut -f 2 -d : | cut -f 2 -d ' ' | sort -u" > package_data/ubuntu_22.04_source_packages.container
+
+# ubuntu:22.10
+docker run ubuntu:22.10 /bin/bash -c "apt-get update && apt-get install lz4 && lz4cat /var/lib/apt/lists/*_Packages.lz4 | grep ^Source | cut -f 2 -d : | cut -f 2 -d ' ' | sort -u" > package_data/ubuntu_22.10_source_packages.container
+
+# ubuntu:14.04
+docker run ubuntu:14.04 /bin/bash -c "apt-get update && apt-get install lz4 && lz4cat /var/lib/apt/lists/*_Packages.lz4 | grep ^Source | cut -f 2 -d : | cut -f 2 -d ' ' | sort -u" > package_data/ubuntu_14.04_source_packages.container
+
+# ubuntu:16.04
+docker run ubuntu:16.04 /bin/bash -c "apt-get update && apt-get install lz4 && lz4cat /var/lib/apt/lists/*_Packages.lz4 | grep ^Source | cut -f 2 -d : | cut -f 2 -d ' ' | sort -u" > package_data/ubuntu_16.04_source_packages.container
+