One of most important things to do with operating system and any major of software is keeping it up-to-date to the latest feature to make sure we have the latest feature, improvements, bug fixes, and more! System update can be very crucial if it is related with security stuff. Imagine if there is a security hole in an operating system so the wrong hand can access your files, password, and any secret stuff on your computer. Although Ubuntu which is one of many Linux distributions is known as a secure operating system, you should not underestimate a system update, especially an update with related to security stuff. In Ubuntu, you can do a security update via command line or any GUI which provides an easy user interface to perform a system update, but you should do that manually so it can be a troublesome activity. So, today I'd like to share a simple trick so you can perform security update automatically, it also called "unattended upgrade".

Unattended upgrade will check if there is an update on a frequent basis. If there is security updates, it will download and install the automatically without any additional action from computer user. By default, you have to use package management tools to install security updates. To enable unattended upgrade on Ubuntu, simply run the following command:
  • sudo dpkg-reconfigure -plow unattended-upgrades
Highlight the "Yes" option (by pressing TAB button on keyboard) and press Enter. Once, unattended upgrade is enabled. The option "When there are security updates:" on Software Source dialog will be disabled.

If you want to disable the unattended upgrade, please run the command again, and choose "No" when asked.

Regards :)

via: Liberian Geek

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About the Author

Damar Riyadi is a chief and owner of , Damar Riyadi joining the UB! since september 2011, he commit to bring a quality ubuntu review and article for you. Interested with him, find him in Google + , Facebook , and Launchpad.