1. Проверка установки:
$ dpkg -l | grep postgres
2. Проверка службы:
$ systemctl list-units | grep post
postgresql.service loaded active exited PostgreSQL RDBMS
postgresql@10-main.service loaded active running PostgreSQL Cluster 10-main
system-postgresql.slice loaded active active system-postgresql.slice
3. Проверка статуса:
$ systemctl status postgresql.service
● postgresql.service — PostgreSQL RDBMS
Loaded: loaded (/lib/systemd/system/postgresql.service; enabled; vendor preset: enabled)
Active: active (exited) since Пт 2019-01-11 11:05:35 MSK; 4h 2min ago
Process: 1478 ExecStart=/bin/true (code=exited, status=0/SUCCESS)
Main PID: 1478 (code=exited, status=0/SUCCESS)
Tasks: 0
Memory: 0B
CPU: 0
CGroup: /system.slice/postgresql.service
янв 11 11:05:35 u1604 systemd[1]: Starting PostgreSQL RDBMS...
янв 11 11:05:35 u1604 systemd[1]: Started PostgreSQL RDBMS.
$ ps aux | grep postgres
postgres 806 0.0 0.1 320972 28476 ? S 15:32 0:00 /usr/lib/postgresql/10/bin/postgres -D /var/lib/postgresql/10/main -c config_file=/etc/postgresql/10/main/postgresql.conf
postgres 863 0.0 0.0 169768 3572 ? Ss 15:32 0:00 postgres: 10/main: logger process
postgres 1437 0.0 0.0 320972 4220 ? Ss 15:32 0:00 postgres: 10/main: checkpointer process
postgres 1438 0.0 0.0 320972 6428 ? Ss 15:32 0:00 postgres: 10/main: writer process
postgres 1439 0.0 0.0 320972 9164 ? Ss 15:32 0:00 postgres: 10/main: wal writer process
postgres 1440 0.0 0.0 321516 6820 ? Ss 15:32 0:00 postgres: 10/main: autovacuum launcher process
postgres 1441 0.0 0.0 172164 4796 ? Ss 15:32 0:00 postgres: 10/main: stats collector process
postgres 1442 0.0 0.0 321256 5084 ? Ss 15:32 0:00 postgres: 10/main: bgworker: logical replication launcher
user 2870 0.0 0.0 15468 976 pts/0 R+ 15:35 0:00 grep --color=auto postgres
