In concept nxlog is similar to syslog-ng or rsyslog but it is not limited to unix and syslog only. It supports different platforms, log sources and formats so nxlog can be an ideal choice to implement a centralized logging system. http://nxlog.org/products/nxlog-community-edition https://github.com/thehaven/haven-overlay/blob/master/app-admin/nxlog-ce/nxlog-ce-2.2.1017.ebuild