1.安裝(CentOS 7)
#拉取rp包,並install
yum install https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rp
#install pg服務
yum install postgresql12-server
#初始化db
/usr/pgsql-12/bin/postgresql-12-setup initdb
#啓動服務
systemctl enable postgresql-12
systemctl start postgresql-12
2.允許遠程訪問
#進入/var/lib/pgsql/12/data
1.修改postgresql.conf
取消#listen_addresses = 'localhost'註釋
修改爲listen_addresses = '*'
2.修改pg_hba.conf
# IPv4 local connections:
host all all 127.0.0.1/32 trust #本地信任訪問,密碼可有可無
host all all 192.168.1.0(內網網段)/24 md5 #內網可訪問,密碼md5加密,24是允許網段192.168.1.0的所有主機可訪問
host all all 0.0.0.0/0 md5 #允許外網訪問,,密碼md5加密
3.其他
3.1 關於postgresql yum安裝,目錄遷移問題
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