How to check the logs of HAProxy?

To view the HAProxy log, you can follow these steps:

1. Open the configuration file of HAProxy (usually located in /etc/haproxy/haproxy.cfg).
2. worldwide
3. record
4. Save the log messages to the local0 facility in /dev/log.
5. neighborhood or nearby area
6. For Ubuntu/Debian systems: use `sudo tail -f /var/log/syslog | grep haproxy` to continuously monitor the haproxy logs.
7. On CentOS/RHEL systems, use the following command with sudo privileges to continuously monitor the haproxy logs: “sudo tail -f /var/log/messages | grep haproxy”.
8. If the location of the log file is different, please modify the command according to the actual situation.
9. To restart HAProxy on Ubuntu/Debian systems: use the command ‘sudo service haproxy restart’.
10. Restart haproxy on CentOS/RHEL systems using the command: sudo systemctl restart haproxy.
11. Now, you should be able to view HAProxy log information in real time in the terminal window.

You can also log to a separate file instead of the system log. This can be configured in the HAProxy configuration file. If you’re using a separate log file, you can use the command “tail -f” to view the contents of that file.