Logtop

logtop - Realtime log line rate analyser

Beschreibung

logtop is a System Administrator tool analyzing line rate on stdin It reads on stdin and print a constantly updated result displaying, in columns Line number, count, frequency, and the actual line

$ tail -f FILE | logtop

is the friendly version of

$ watch 'tail FILE | sort | uniq -c | sort -gr'

EXAMPLES

Here are some logtop usage examples

tail -f cache.log | grep -o "HIT\|MISS" | logtop

Realtime hit / miss ratio on some caching software log file

tail -f access.log | cut -d' ' -f1 | logtop -s 10000

Realtime most querying IPs on your server, as long as log lines in access.log starts with the client IP

tail -f access.log | cut -d' ' -f7 | logtop -s 10000

Realtime most requested web pages in a NCSA like log file

cat auth.log | grep -v "CRON" | grep -o ": .*" | logtop -q -s 100000

Display a one-shot simple analyse of your auth.log

Aufruf

logtop [OPTIONS]

Optionen

-s	--size=K	Only keep K lines in memory, instead of 10000
-q	--quiet	Do not display a live view of the data, only display a top at exit
-l	--line-by-line=K	Print result line by line, in a machine friendly format, K is the number of result to print per line Line by line format is : [%d %f %s\t]*\n %d : Number of occurences %f : Frequency of apparition %s : String (Control chars replaced by dots
-i	--interval=K	Interval between graphical updates, in seconds. Defaults to 1
-h	--help	Show summary of options
-v	--version	Show version of program

Anhang

Siehe auch

• Logtop