diff --git a/mariadb-xenial.list b/mariadb-xenial.list
new file mode 100644
index 0000000..3bce962
--- /dev/null
+++ b/mariadb-xenial.list
@@ -0,0 +1,4 @@
+# sudo apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 0xF1656F24C74CD1D8
+#deb [arch=amd64,i386] http://ftp.hosteurope.de/mirror/mariadb.org/repo/10.1/ubuntu xenial main
+deb [arch=amd64,i386] http://mirror.netcologne.de/mariadb/repo/10.1/ubuntu xenial main
+
diff --git a/slack.list b/slack.list
new file mode 100644
index 0000000..175cf78
--- /dev/null
+++ b/slack.list
@@ -0,0 +1,3 @@
+### THIS FILE IS AUTOMATICALLY CONFIGURED ###
+# You may comment out this entry, but any other modifications may be lost.
+deb https://packagecloud.io/slacktechnologies/slack/debian/ jessie main