This article presents a simple Logtilla log analysis module, log_geoip_stats, which gives the top N client countries, in terms of hits, from web access log files. This module uses the libgeoip-erlang library to get geolocations from clients’ IP addresses. libgeoip-erlang installation Install pre-requisite software: Mercurial, and the GeoIP library. On Debian, those are packages mercurial, … [Read more…]
I have recently released Logtilla, a framework for parsing and analysing web access log files, and showed in a previous article how to use Logtilla with a simple example. One of the most interesting aspects of Logtilla is in the inside. Logtilla demonstrates how to use ASN.1 to communicate between an Erlang program and a … [Read more…]
I have written a small Erlang framework for parsing web access logs, called Logtilla, hosted on GitHub. This framework supports parsing logs in the Common Log Format, or in Apache’s Combined Log Format. Thanks to the use of a C port program to do the parsing, Logtilla is very efficient: it can parse and analyze … [Read more…]