diff --git a/etc/apt/apt.conf.d/99defaultrelease b/etc/apt/apt.conf.d/99defaultrelease
new file mode 100644
index 00000000..ce205891
--- /dev/null
+++ b/etc/apt/apt.conf.d/99defaultrelease
@@ -0,0 +1 @@
+APT::Default-Release "testing";
diff --git a/etc/apt/apt.conf.d/99tor b/etc/apt/apt.conf.d/99tor
new file mode 100644
index 00000000..8f73b85c
--- /dev/null
+++ b/etc/apt/apt.conf.d/99tor
@@ -0,0 +1 @@
+Acquire::http::Proxy "http://127.0.0.1:8118/";
diff --git a/etc/apt/preferences.d/unstable b/etc/apt/preferences.d/unstable
new file mode 100644
index 00000000..d35e406d
--- /dev/null
+++ b/etc/apt/preferences.d/unstable
@@ -0,0 +1,7 @@
+Package: *
+Pin: release a=testing
+Pin-Priority: 900
+
+Package: *
+Pin: release o=Debian
+Pin-Priority: -10