Ada Lovelace Day
Archive for March, 2010
simple log event histograms
Just to preserve it, here’s a useful shell command line to print a histogram of frequent log events:
grep -h 'expr' files | cut -d ' ' -f 1,2 | uniq -c | awk '{step=5; bar = ""; for(i = $1; i>=1; i = i-step) bar = bar "#"; printf $2, $3, bar; }'
PHP syslog patch
Given a multiuser webserver with PHP and error logging to syslog. Problem: how do you correlate error messages with users? This patch lets PHP call openlog() with a configurable program name. Read the rest of this entry »
Solaris syslog and message IDs
I finally checked how the Solaris kernel assigns message IDs to its log messages.
CLT2010
Plakat der Chemnitzer Catering-Tage (Photo: Roman Hanhart)
Gerade wieder zurück von den Chemnitzer Linux-Tagen 2010.
Mailing List Statistics
Recently a friend showed me the tool MailListStat to generate mailing list statistics and I thought it would be much easier to implement this in Perl or Python instead of C.
So I tried and the result is Py-MailListStat 1.0 (I am not very creative with names). Maybe someone finds it useful…
