I installed and removed so many packages on my system.But it don't know when it was installed and when it was removed.

I want to know when the packages are installed on my PC.

1 Answer 1


I'd improve on things simply with:

$ zgrep -sh ' install iperf' /var/log/dpkg*
2013-02-21 14:07:46 install iperf:amd64 <none> 2.0.5-3

zgrep doesn't care if you hand it uncompressed data so it's just easiest to use that. Obviously if you need every install you could remove iperf and see everything, but it seems more logical to search down on that at the same time.

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