UPDATE: Server version is now 2.5.24, client version is still 2.5.16 (server didn’t auto-update the clients, doing it manually)
Now using websocket for internet client following this post Server 2.5.24/Client 2.5.18
Command urbackupclientctl add-backupdir --path /some/path/ still not working on client version 2.5.16 - 2.5.17 and 2.5.18 tested on Ubuntu 22.04 LTS
2022-07-07 16:32:31: urbackupserver: No available slots... starting new Worker
2022-07-07 16:32:31: ClientService cmd: GET BACKUP DIRS#pw=OCuyQN7QHnj7u8jStYPTshuUfqNA
2022-07-07 16:32:31: rc=0 hasError=true state=0