syslog-ng 3.23.1[1] packages are available in OBS repo[2].
List of supported OSs:
* Debian 8.0
* Debian 9.0 [including armv7l]
* Raspbian 9.0
* Ubuntu 14.04
* Ubuntu 16.04
* Ubuntu 18.04
* Ubuntu 18.10
Install
-------
example: Debian 9.0
1. get release key
wget -qO - http://download.opensuse.org/repositories/home:/laszlo_budai:/syslog-ng/Debian_9.0/Release.key | sudo apt-key add -
2. add repo to APT sources
eg.: /etc/apt/sources.list.d/syslog-ng-obs.list
deb http://download.opensuse.org/repositories/home:/laszlo_budai:/syslog-ng/Debian_9.0 ./
Then `apt-get update` and `apt-get install syslog-ng-core`
Links
--------
