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Last active Aug 13, 2020
What would you like to do? - Easily check dpkg logs for when a package was installed
# Easily check dpkg logs when a package was installed
# Created 2020-04-11 - Updated 2020-08-13
# Written for Siduction (Debian sid based distro)
# By dpanter
# If no options given, print this message and quit
if [ -z "$1" ]; then
echo "Easily check dpkg logs when a package was installed"
echo "Usage: `basename $0` <package> <option>"
echo "Options can be any APT verb, e.g. install, remove, upgrade etc."
exit 1
# Define log files location
# use /bin/ls to avoid system aliases,single column, natural sort
LOGS=$(/bin/ls -1v /var/log/dpkg.log*)
# zgrep works on uncompressed files as well
# sort numerically in reverse order (newest on top)
for f in $LOGS; do
if [ -z "$2" ]; then
zgrep -e "$1" "$f" | sort -nr
zgrep -e "$1" "$f" | grep -e "$2" | sort -nr
# Log files usually exist in /var/log/
# dpkg.log
# dpkg.log.1
# dpkg.log.2.gz
# dpkg.log.3.gz
# dpkg.log.4.gz
# dpkg.log.5.gz
# dpkg.log.6.gz
# dpkg.log.7.gz
# dpkg.log.8.gz
# dpkg.log.9.gz
# dpkg.log.10.gz
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