(QXY)主机
[postgres@qxy data]$ pwd
/spark/pgsql/data
[postgres@qxy data]$ cat pg_hba.conf
# TYPE DATABASE USER ADDRESS METHOD
# “local” is for Unix domain socket connections only
local all all trust
# IPv4 local connections:
host all all 127.0.0.1/32 trust
# IPv6 local connections:
host all all ::1/128 trust

# “local” is for Unix domain socket connections only
local all all trust
# IPv4 local connections:
host all all 127.0.0.1/32 trust
host all all 192.168.40.1/24 md5

(QXY)主机
postgres@qxy data]$ cat postgresql.conf
# - Connection Settings -
#listen_addresses = ‘localhost'
# what IP address(es) to listen on;
listen_addresses = ‘*'
# what IP address(es) to listen on; <=======新增这行，把localhost改成*，监听所有的IP
# comma-separated list of addresses;
# defaults to ‘localhost'; use ‘*' for all
# (change requires restart)

# Database administrative login by Unix domain socket
local  all       postgres                peer
# TYPE DATABASE    USER      ADDRESS         METHOD
# "local" is for Unix domain socket connections only
local  all       all                   trust
# IPv4 local connections:
host  all       all       127.0.0.1/32      trust
host  all       all       222.73.203.68/24        trust
# IPv6 local connections:
host  all       all       ::1/128         trust
# Allow replication connections from localhost, by a user with the
# replication privilege.
#local  replication   postgres                peer
#host  replication   postgres    127.0.0.1/32      md5
#host  replication   postgres    ::1/128         md5