diff --git a/eng/common/cross/arm/sources.list.focal b/eng/common/cross/arm/sources.list.focal
new file mode 100644
index 00000000000..4de2600c174
--- /dev/null
+++ b/eng/common/cross/arm/sources.list.focal
@@ -0,0 +1,11 @@
+deb http://ports.ubuntu.com/ubuntu-ports/ focal main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ focal main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ focal-updates main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-updates main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ focal-backports main restricted
+deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-backports main restricted
+
+deb http://ports.ubuntu.com/ubuntu-ports/ focal-security main restricted universe multiverse
+deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-security main restricted universe multiverse
diff --git a/eng/common/cross/arm/sources.list.jammy b/eng/common/cross/arm/sources.list.jammy
new file mode 100644
index 00000000000..6bb0453029c
--- /dev/null
+++ b/eng/common/cross/arm/sources.list.jammy
@@ -0,0 +1,11 @@
+deb http://ports.ubuntu.com/ubuntu-ports/ jammy main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ jammy-updates main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-updates main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ jammy-backports main restricted
+deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-backports main restricted
+
+deb http://ports.ubuntu.com/ubuntu-ports/ jammy-security main restricted universe multiverse
+deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-security main restricted universe multiverse
diff --git a/eng/common/cross/arm64/sources.list.focal b/eng/common/cross/arm64/sources.list.focal
new file mode 100644
index 00000000000..4de2600c174
--- /dev/null
+++ b/eng/common/cross/arm64/sources.list.focal
@@ -0,0 +1,11 @@
+deb http://ports.ubuntu.com/ubuntu-ports/ focal main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ focal main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ focal-updates main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-updates main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ focal-backports main restricted
+deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-backports main restricted
+
+deb http://ports.ubuntu.com/ubuntu-ports/ focal-security main restricted universe multiverse
+deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-security main restricted universe multiverse
diff --git a/eng/common/cross/arm64/sources.list.jammy b/eng/common/cross/arm64/sources.list.jammy
new file mode 100644
index 00000000000..6bb0453029c
--- /dev/null
+++ b/eng/common/cross/arm64/sources.list.jammy
@@ -0,0 +1,11 @@
+deb http://ports.ubuntu.com/ubuntu-ports/ jammy main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ jammy-updates main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-updates main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ jammy-backports main restricted
+deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-backports main restricted
+
+deb http://ports.ubuntu.com/ubuntu-ports/ jammy-security main restricted universe multiverse
+deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-security main restricted universe multiverse
diff --git a/eng/common/cross/x64/sources.list.bionic b/eng/common/cross/x64/sources.list.bionic
new file mode 100644
index 00000000000..a71ccadcffa
--- /dev/null
+++ b/eng/common/cross/x64/sources.list.bionic
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ bionic main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ bionic main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ bionic-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ bionic-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse
diff --git a/eng/common/cross/x64/sources.list.xenial b/eng/common/cross/x64/sources.list.xenial
new file mode 100644
index 00000000000..ad9c5a0144e
--- /dev/null
+++ b/eng/common/cross/x64/sources.list.xenial
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ xenial main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ xenial main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ xenial-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ xenial-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse
diff --git a/eng/common/cross/x86/sources.list.focal b/eng/common/cross/x86/sources.list.focal
new file mode 100644
index 00000000000..99d5731330e
--- /dev/null
+++ b/eng/common/cross/x86/sources.list.focal
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ focal main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ focal main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ focal-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ focal-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ focal-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ focal-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
diff --git a/eng/common/cross/x86/sources.list.jammy b/eng/common/cross/x86/sources.list.jammy
new file mode 100644
index 00000000000..af1c1feaeac
--- /dev/null
+++ b/eng/common/cross/x86/sources.list.jammy
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ jammy main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ jammy main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
diff --git a/eng/common/templates/post-build/post-build.yml b/eng/common/templates/post-build/post-build.yml
index 53ede714bdd..ef8cf549113 100644
--- a/eng/common/templates/post-build/post-build.yml
+++ b/eng/common/templates/post-build/post-build.yml
@@ -5,4 +5,4 @@ stages:
     is1ESPipeline: false
 
     ${{ each parameter in parameters }}:
-      ${{ parameter.key }}: ${{ parameter.value }}
\ No newline at end of file
+      ${{ parameter.key }}: ${{ parameter.value }}