Hi there, try yourself to install the new 3.3.1 on a fresh VPS/local
federico@ubuntu:~$ sudo ee stack install
Adding repository for MySQL, please wait...
Adding repository for NGINX, please wait...
Adding repository for PHP, please wait...
Updating apt-cache, please wait...
Oops Something went wrong!!
Check logs for reason `tail /var/log/ee/ee.log` & Try Again!!!
Let’s debug
Get:10 http://mirror.aarnet.edu.au trusty/main amd64 Packages [5,604 B]
Get:11 http://download.opensuse.org Packages [5,005 B]
Get:12 http://mirror.aarnet.edu.au trusty/main i386 Packages [5,608 B]
Ign http://download.opensuse.org Translation-en_US
Ign http://download.opensuse.org Translation-en
Ign http://mirror.aarnet.edu.au trusty/main Translation-en_US
Ign http://mirror.aarnet.edu.au trusty/main Translation-en
Fetched 87.9 kB in 5s (16.4 kB/s)
2015-07-24 10:04:08,348 (INFO) ee : Oops Something went wrong!!
2015-07-24 10:04:08,348 (ERROR) ee : Check logs for reason `tail /var/log/ee/ee.log` & Try Again!!!