service postgresql start
Starting PostgreSQL 16 database server: mainError: /usr/lib/postgresql/16/bin/pg_ctl /usr/lib/postgresql/16/bin/pg_ctl start -D /var/lib/postgresql/16/main -l /var/log/postgresql/postgresql-16-main.log -s -o -c config_file="/etc/postgresql/16/main/postgresql.conf" exited with status 1:
2024-10-13 12:55:21.553 UTC [16727] FATAL: could not create shared memory segment: Function not implemented
2024-10-13 12:55:21.553 UTC [16727] DETAIL: Failed system call was shmget(key=6644951, size=56, 03600).
2024-10-13 12:55:21.553 UTC [16727] LOG: database system is shut down
pg_ctl: could not start server
Examine the log output. ... failed!
failed!
