The following monster will parse the mail log and report on unique host connections along with a count.
cat /var/log/mail.log | \
grep ' connect from unknown' | \
awk '{ print $8 }' | \
sort | \
sed -n 's/.*\[\([0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\)\].*/\1/p' | \
awk '{count[$1]++} END {for (word in count) print count[word], word}' | \
sort -n
Note to self: after configuring disks run the following commands to generate a report for the documentation:
This popped up on lobsters today: Chrome Platform Status: CSS usage. It’s a report on the prevalence of CSS properties as found in the wild. It’s interesting. I was surprised by some things. e.g. ‘display’ and ‘position’ are more prevalent than ‘padding’ and ‘margin’.
I was trying to find a report on industries by market size but I wasn’t able to find what I was looking for. But I did find Australian Industry reports from ABS and List of countries by GDP sector composition which were both interesting.