pg配置

-bash-4.2$ cd $PGDATA
-bash-4.2$ ls
base              pg_commit_ts   pg_logical    pg_serial     pg_subtrans  pg_wal                postmaster.opts
current_logfiles  pg_dynshmem    pg_multixact  pg_snapshots  pg_tblspc    pg_xact               postmaster.pid
global            pg_hba.conf    pg_notify     pg_stat       pg_twophase  postgresql.auto.conf
log               pg_ident.conf  pg_replslot   pg_stat_tmp   PG_VERSION   postgresql.conf

-bash-4.2$ cp postgresql.conf postgresql.conf.bak
-bash-4.2$ vi postgresql.conf 

listen_addresses = '0.0.0.0'

-bash-4.2$ cp pg_hba.conf pg_hba.conf.bak
-bash-4.2$ vi pg_hba.conf
host    all             all             0.0.0.0/0               md5

-bash-4.2$ /usr/pgsql-12/bin/pg_ctl restart

可查看日志：cd $PGDATA/log