Monday, October 4, 2010

Automatically upgrade Debian with security updates

So, one of the boring tasks of being a sysadmin is to do updates. Well, it's not really boring, just a boring task of doing it if you have more than 10 systems or so.

Since I'm lazy and not really a sysadmin full-time, I'm cheating by using the unattended-upgrades package. Here is how you do it:

  1. Install unattended-upgrades
  2. Add the following to /etc/apt/apt.conf
    APT::Periodic::Update-Package-Lists "1";
    APT::Periodic::Unattended-Upgrade "1";
  3. See if you need to modify
    (I didn't)
  4. Watch your logs for any errors during updates (I use logcheck for this)
  5. Read the additional info at for more details about this feature if you want to.

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