logtop
Erscheinungsbild
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
SEE ALSO
- watch(1)
Installation
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 |