sudo systemctl status postgresql
● postgresql.service - LSB: PostgreSQL RDBMS server
   Loaded: loaded (/etc/init.d/postgresql; bad; vendor preset: enabled)
   Active: active (exited) since czw 2016-12-01 12:26:53 CET; 5min ago
     Docs: man:systemd-sysv-generator(8)

gru 01 12:26:53 foreal systemd[1]: Starting LSB: PostgreSQL RDBMS server...
gru 01 12:26:53 foreal postgresql[10129]:  * Starting PostgreSQL 9.5 database server
gru 01 12:26:53 foreal postgresql[10129]:    ...done.
gru 01 12:26:53 foreal systemd[1]: Started LSB: PostgreSQL RDBMS server.
gru 01 12:31:55 foreal systemd[1]: Started LSB: PostgreSQL RDBMS server.