diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 09ac872..3bf2a09 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,7 +16,7 @@ jobs:
   # This workflow contains a single job called "build"
   build:
     # The type of runner that the job will run on
-    runs-on: [ubuntu-24.10-s390x, ubuntu-22.10-ppc64le]
+    runs-on: [ubuntu-24.10-s390x, ubuntu-22.04-ppc64le]
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index 8a6bbd5..30c45ba 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -1,15 +1,14 @@
-FROM    ubuntu:24.10
+FROM    ubuntu:22.04
 
 ARG     RUNNERREPO="https://github.com/actions/runner" RUNNERPATCH SDK_VERSION ARCH
 
 ENV     DEBIAN_FRONTEND=noninteractive
 
 RUN     apt-get -qq update -y && \
-        apt-get -qq -y install wget git sudo alien curl dotnet-sdk-8.0 && \
+        apt-get -qq -y install wget git sudo alien curl && \
         apt autoclean
 
-RUN     dpkg --install /tmp/*.deb && \
-        rm -rf /tmp/*.deb && \
+RUN     apt-get -qq -y install dotnet-sdk-8.0  && \
         SDK_VERSION=`dotnet --version` && \
         echo "Using SDK - ${SDK_VERSION}"
 
diff --git a/build-files/install-packages.sh b/build-files/install-packages.sh
index e2a80fc..0f923e7 100644
--- a/build-files/install-packages.sh
+++ b/build-files/install-packages.sh
@@ -1,11 +1,16 @@
 #!/bin/bash
 header() {
-    echo "+--------------------------------------------+"
-    echo "| $*"
-    echo "+--------------------------------------------+"
+    TS=`date +"%Y-%m-%dT%H:%M:%S%:z"`
+    echo "${TS} +--------------------------------------------+"
+    echo "${TS} | $*"
+    echo "${TS} +--------------------------------------------+"
     echo
 }
 
+msg() {
+    echo `date +"%Y-%m-%dT%H:%M:%S%:z"` $*
+}
+
 # Check if the file name is provided
 if [ -z "$1" ]; then
     echo "Usage: $0 <package_list.txt>"
@@ -21,7 +26,7 @@ if [ ! -f "$PACKAGE_LIST_FILE" ]; then
 fi
 header "Installing additional packages"
 # Update the package list
-echo "Updating package list..."
+msg "Updating package list..."
 sudo DEBIAN_FRONTEND=noninteractive apt-get -qq update -y
 
 # installing docker
@@ -52,4 +57,4 @@ while IFS= read -r package || [ -n "$package" ]; do
     fi
 done < "$PACKAGE_LIST_FILE"
 
-echo "All packages from $PACKAGE_LIST_FILE have been installed."
+msg "All packages from $PACKAGE_LIST_FILE have been installed."