Auto updating security packages with Ubuntu (Debian) system

It’s a bit hard to maintain manually a lot of servers but it’s really
important to keep them updated. It’s why I looked for an automatic
solution and it has been pretty easy to find a good and simple one.

I propose to you to use an utility called apt-cron.

installing it on our system:
sudo apt-get install apt-cron

creating a new security list:
sudo nano  /etc/apt/sources.list.d/security.sources.list

deb hardy-security maindeb hardy-security universe

setuping APT actions:
sudo nano /etc/cron-apt/action.d/5-install

autoclean -q -ydist-upgrade -q -y -o APT::Get::Show-Upgraded=true -o Dir::Etc::sourcelist=/etc/apt/sources.list.d/security.sources.list -o Dir::Etc::sourceparts=nonexistent -o DPkg::Options::=--force-confdef -o DPkg::Options::=--force-confold

adding a cron task:
sudo crontab -e

5 0    *   *   *  test -x /usr/sbin/cron-apt && /usr/sbin/cron-apt

To test the auto update process:
sudo /usr/sbin/cron-apt

To check the log:
sudo cat /var/log/cron-apt/log

idea / source from


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