Reload consul configuration.
Use consul utility
Trigger reload using consul utility.
$ consul reload
Configuration reload triggered
Use HUP signal
Determine consul process ID.
$ systemctl show --property MainPID --value consul
33794
Send HUP signal to trigger configuration reload.
$ sudo kill -SIGHUP $(systemctl show --property MainPID --value consul)
Use API directly
Use API to initiate configuration reload.
$ curl -X PUT "http://127.0.0.1:8500/v1/agent/reload"
Additional notes
Beware, this functionality does not reload the whole configuration, only small part of it like logging, node metadata, sevices, checks, watches,… see reloadable configuration for more details.