Comment 2 for bug 188127

$ ls -l /var/lib/apt/periodic
total 0
-rw-r--r-- 1 root root 0 2007-10-28 07:35 update-stamp
$ cat /etc/apt/apt.conf.d/15update-stamp
APT::Update::Post-Invoke:: {"touch /var/lib/apt/periodic/update-stamp 2>/dev/null || true";};