6816 shaares
zcat /var/log/dpkg.log.*.gz | cat - /var/log/dpkg.log | grep -E 'install |upgrade |remove '
zcat /var/log/dpkg.log.$.gz | grep -E 'install |upgrade |remove ' | wc -l to get count by month
zcat /var/log/dpkg.log.*.gz | cat - /var/log/dpkg.log | grep -E 'install |upgrade |remove '
zcat /var/log/dpkg.log.$.gz | grep -E 'install |upgrade |remove ' | wc -l to get count by month
