vi /var/lib/pgsql/10/data/pg_hba.conf

# TYPE DATABASE USER ADDRESS METHOD

# "local" is for Unix domain socket connections only local all all md5

# IPv4 local connections: host all all 127.0.0.1/32 md5 host all all 0.0.0.0/0 md5 # IPv6 local connections: host all all ::1/128 md5 # Allow replication connections from localhost, by a user with the # replication privilege. local replication all peer host replication all 127.0.0.1/32 ident host replication all ::1/128 ident