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I have a nifty server that does our updates by a specialized script. The problem is the main admin of this is part time and rarely here. I have Debian functioning as a device OS. When updates get applied I need to be able to see when they got applied on the device. I did a dpkg -l and it shows a lot besides that. We also checked the dpkg.log in /var/log and it only shows us the date when the updates were last installed.

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    Might want to examine/monitor /var/log/apt/history.log to see when what was installed – ivanivan May 22 at 18:20
  • Nothing exists in the var/log/apt directory. How can I make sure that this gets created by my devices? – svsturd May 23 at 16:59
  • If your Debian is real pure Debian then all apt-get, etc. logs should be there. Of course, your log rotation, etc. can all effect this... – ivanivan May 23 at 17:16
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sudo apt-cache pkgnames | tee "$(date +"%Y-%m-%d")_pkg.log" provides a terser list, and you may compare it against the last time you ran it to see what's new.

  • Many thanks for a prompt answer. I do that I get the same output as sudo apt-cache pkgnames which is all the packages installed but with no dates. – svsturd May 23 at 17:04
  • Right. Run it every time there's an update. Then, you can compare it against the previous run (which is why I stuffed the ANSI formatted date into the logfile name in my example) and see what's new. – K7AAY May 23 at 17:14

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