postgresql: Backup postgresql database

Postgresql has 2 ways of back up.

The first is pg_dump

A simpler form of pg_dump which typically using superuser or the database owner.

pg_dump vcdb > vbdb_db.bak

Backing database for VMware vPostgresql database.

localhost:~ # /opt/vmware/vpostgres/9.3/bin/pg_dump -U postgres -d VCDB -Fc -b -v -f vcdb.backup.compressed

A second method of back will be backup in form of ASCII. 

/opt/vmware/vpostgres/9.3/bin/psql -U postgres -d VCDB > vcdb.bk