---

usr1cv8@AdmComUlanUde:/mnt/backup$ psql --version
psql (PostgreSQL) 11.21 (Debian 1:11.21-astra.se6+ci1)
usr1cv8@AdmComUlanUde:/mnt/backup$ pg_lsclusters 
Ver Cluster Port Status Owner    Data directory              Log file
11  main    5432 online postgres /var/lib/postgresql/11/main pg_log/postgresql-%a.log
usr1cv8@AdmComUlanUde:/mnt/backup$