File sysconfig.graylog of Package graylog
GRAYLOGCTL_DIR=/usr/lib/graylog/server/bin GRAYLOG_JAR=graylog.jar GRAYLOG_CONF=/etc/graylog/server.conf GRAYLOG_PID=/var/run/graylog/server.pid GRAYLOG_USER=graylog LOG4J=-Dlog4j.configuration=file:///etc/graylog/server-log4j.xml