安装postgreSQL
1. 安装PostgreSQL9.1vi /etc/yum.repos.d/CentOS-Base-16repo
在 and sections 加上exclude=postgresql*
2获取并安装软件包
cd /root/tmp/
wget http://yum.postgresql.org/9.1/redhat/rhel-5-i386/pgdg-redhat91-9.1-5.noarch.rpm
rpm -ivh pgdg-redhat91-9.1-5.noarch.rpm
3安装PostgreSQL
yum list postgres*
yum install postgresql91-server
service postgresql-9.1 initdb
chkconfigpostgresql-9.1 on
servicepostgresql-9.1 start
4配置监听地址和端口
在目录/var/lib/pgsql/9.1/data下postgresql.conf中修改配置为:
listen_addresses = '*'
port = 5432
在文件pg_hba.conf 中修改配置为:
# "local" is for Unix domain socket connections only
local all all ident
# IPv4 local connections:
host all all 127.0.0.1/32 md5
host all all 127.0.0.1/32 trust
host all all 192.168.144.186/32 trust
host all all 192.168.141.150/32 trust
host all all 192.168.142.239/32 trust
其中IP地址为要访问数据库的IP地址,否则无法访问
5 验证
service postgresql-9.1 restart
netstat -nltp |grep 5432
显示如下:
# netstat -nltp |grep 5432
tcp 0 0 127.0.0.1:5432 0.0.0.0:* LISTEN 20311/postmaster
6 切换操作系统用户为postgres
su - postgres
创建数据库
createdb dbname
使用postgres用户登录数据库
psql -U postgres
修改用户密码
alter user postgres password 123
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