Graylog commands

edit graylog configruation file
sudo nano /etc/graylog/server/server.conf
OR
sudo vi /etc/graylog/server/server.conf

reboot graylog service
sudo systemctl daemon-reload
sudo systemctl restart graylog-server

view graylog log file to debug/troubleshoot issues
sudo tailf /var/log/graylog-server/server.log

set graylog service to start on boot
sudo systemctl enable graylog-server