http://bookofzeus.com/harden-ubuntu/initial-setup/system-updates/
Keeping the system updated is vital before starting anything on your system. This will prevent people to use known vulnerabilities to enter in your system.
sudo apt-get update
sudo apt-get upgrade
sudo apt-get autoremove
sudo apt-get autoclean
| #!/bin/sh | |
| # Credits to: | |
| # - http://vstone.eu/reducing-vagrant-box-size/ | |
| # - https://github.com/mitchellh/vagrant/issues/343 | |
| aptitude -y purge ri | |
| aptitude -y purge installation-report landscape-common wireless-tools wpasupplicant ubuntu-serverguide | |
| aptitude -y purge python-dbus libnl1 python-smartpm python-twisted-core libiw30 | |
| aptitude -y purge python-twisted-bin libdbus-glib-1-2 python-pexpect python-pycurl python-serial python-gobject python-pam python-openssl libffi5 |