Updating Ubuntu 16.04 — Security Updates
Welcome to Ubuntu 16.04.3 LTS (GNU/Linux 4.4.0-96-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
143 packages can be updated.
75 updates are security updates.
$ sudo apt-get update
$ sudo apt-get dist-upgrade