Logs

Consolidation, centralisation, corrélation, analyse de logs, syslogs

Elasticsearch Logstash Kibana (ELK)
Syslog-ng
Graylog2 Graylog
Logwatch
Simple Log Watcher

PRTG Solarwinds

http://www.digitalocean.com/community/tutorials/how-to-use-logstash-and-kibana-to-centralize-and-visualize-logs-on-ubuntu-14-04
http://linuxfr.org/news/gestion-des-logs-avec-logstash-elasticsearch-kibana
http://wooster.checkmy.ws/2014/04/elk-elasticsearch-logstash-kibana
http://baudlabs.com/top-free-and-open-source-log-management-software
http://en.wikipedia.org/wiki/Syslog
http://www.forensicswiki.org/wiki/Logfile_Analysis
http://www.syslog.org/wiki/Main/Tools http://www.syslog.org/wiki http://www.syslog.org