How to see number of packages with updates on MOTD?

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http://askubuntu.com – When I log in to my media PC at home over SSH, I get a report saying how many packages can be updated: Welcome to Ubuntu 12.04.1 LTS (GNU/Linux 3.2.0-34-generic x86_64) * Documentation: https://help.ubuntu.com/ 0 packages can be updated. 0 updates are security updates. Last login: Tue Dec 4 18:07:24 2012 from _____________ _______@milo:~$ However, when I log in to my VPS server, I don't: Welcome to Ubuntu 12.04.1 LTS (GNU/Linux 3.2.0-34-virtual x86_64) * Documentation: https://help.ubuntu.com/ Last login: Wed Dec 5 10:36:31 2012 from localhost _______@ace:~$ What is it that pro (HowTos)