1.配置postgreql 可以远程访问：

sudo vim /etc/postgresql/9.1/main/postgresql.conf

root@ubuntuserver:~# sudo vi /etc/postgresql/9.1/main/postgresql.conf
—>改变行：#listen_addresses = ‘localhost’
—>修改为：listen_addresses = ‘*’
—>改变行：#password_encryption = on
—>修改为：password_encryption = on
root@ubuntuserver:~# sudo vi /etc/postgresql/9.1/main/pg_hba.conf
—>文件末添加行：# to allow your client visiting postgresql server
—>文件末添加行：host all all 0.0.0.0 0.0.0.0 md5
root@ubuntuserver:~# sudo /etc/init.d/postgresql-9.1 restart

2.修改默认的postgres 密码

sudo -u postgres psql template1

ALTER USER postgres with encrypted password 'your_password'

3.重启POSTGRESQL服务

sudo /etc/init.d/postgresql-9.1 restart

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