su postgres
psql -U postgres -W Password
database=# \l //show databases
database=# \c database // use database
database=# \dt // show tables;
database=# \d table // describe table
PG_VERSION is the necessary data directory of that table pg_filenode.map is necessary
export PGPASSWORD=`cat /etc/heplify-server.toml | grep DBPass | awk '{print $3}' | tr -d '"'`
pg_dump -U homer_user -h localhost -d homer_config -t users > /root/backup.sql
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Enjoy 😉