Here is a script to ease installation of Kristinn Gudjonsson's Log2Timeline tool on Ubuntu hosts. Tested on Ubuntu Lucid 10.04.
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# log2timeline_ubuntu_deps.sh
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#!/bin/sh
sudo apt-get install libdigest-crc-perl libnetpacket-perl libparse-win32registry-perl libarchive-zip-perl libtimedate-perl libcarp-assert-perl libclass-dbi-perl libdatetime-perl libhtml-scrubber-perl libnet-pcap-perl libparams-validate-perl libimage-exiftool-perl libdbd-sqlite3-perl libdate-manip-perl libdatetime-format-strptime-perl
sudo perl -MCPAN -e 'install File::Mork'
sudo perl -MCPAN -e 'install Data::Hexify'