Find installed packages in Ubuntu

zgrep --color=always 'get install' /var/log/apt/history.log*
This will extract all the apt-get install commands issued on the box, even if they are in the gzipped history files.
Sample Output
history.log:Commandline: apt-get install sysstat
history.log:Commandline: apt-get install ntop graphviz
history.log:Commandline: apt-get install tree
history.log.1.gz:Commandline: apt-get install openssh-server
history.log.1.gz:Commandline: apt-get install finger

0
2012-04-18 00:06:14

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