+# 0 means disabled. I used to set this to 7, however, trisquel doesn't
+# have an archive of old package versions, so I want to
+# keep around old versions so I can easily downgrade.
+APT::Periodic::AutocleanInterval "0";
+# daily expire old files /var/cache/apt if it gets above this MB
+APT::Periodic::MaxSize "50000";