aptのhistoryが/var/log/apt/history.logにまとめられています。 /var/log/apt/history.logの中身抜粋 : Start-Date: 2015-03-19 19:05:58 Commandline: apt-get upgrade Upgrade: libmpeg2-4:amd64 (0.5.1-6, 0.5.1-7), geoip-database:amd64 (20150209-1, 20150317-1), libgusb2:amd64 (0.2.2-1, 0.2.4-1), python-minimal:amd64 (2.7.8-4, 2.7.9-1), libtcl8.6:amd64 (8.6.2+dfsg-1, 8.6.2+dfsg-2), debconf:amd64 (1.5.55, 1.5.56), libicu52:amd