二进制安装步骤：
groupadd postgres
useradd -g postgres postgres
id postgres
passwd postgres
mkdir -p /data/postgresql/data
mkdir -p /data/postgresql/log
tar xf postgresql-9.5.9-1-linux-x64-binaries.tar.gz -C /usr/local/
cd /usr/local/
chown -R postgres.postgres pgsql
cd /data
chown -R postgres.postgres postgresql
cd /usr/local/pgsql/bin/
vim /etc/profile
source /etc/profile
普通用户启动postgreSQL服务
su - postgres
初始化数据库：
initdb -E utf8 -D /data/postgresql/data
启动数据库：
pg_ctl -D /data/postgresql/data -l /data/postgresql/log/postgres.log start
[root@localhost log]# tailf /data/postgresql/log/postgres.log
LOG: could not create IPv6 socket: Address family not supported by protocol
LOG: database system was shut down at 2017-10-04 18:06:18 CST
LOG: MultiXact member wraparound protections are now enabled
LOG: database system is ready to accept connections
LOG: autovacuum launcher started
关闭postgresql服务
pg_ctl -D /data/postgresql/data -l /data/postgresql/log/postgres.log stop
[root@localhost log]# tailf /data/postgresql/log/postgres.log
LOG: received fast shutdown request
LOG: aborting any active transactions
LOG: autovacuum launcher shutting down
LOG: shutting down
LOG: database system is shut down
重启postgresql服务
pg_ctl -D /data/postgresql/data -l /data/postgresql/log/postgres.log restart
[root@localhost log]# tailf /data/postgresql/log/postgres.log
LOG: received fast shutdown request
LOG: aborting any active transactions
LOG: autovacuum launcher shutting down
LOG: autovacuum launcher shutting down
LOG: shutting down
LOG: database system is shut down
LOG: could not create IPv6 socket: Address family not supported by protocol
LOG: database system was shut down at 2017-10-04 18:08:15 CST
LOG: MultiXact member wraparound protections are now enabled
LOG: database system is ready to accept connections
LOG: autovacuum launcher started
查看启动日志：
tail -100f /data/postgresql/log/postgres.log
ps -ef
登陆数据库：
psql
默认登陆postgresql数据库是不需要密码的
另外有需要云服务器可以了解下创新互联cdcxhl.cn，海内外云服务器15元起步，三天无理由+7*72小时售后在线，公司持有idc许可证，提供“云服务器、裸金属服务器、高防服务器、香港服务器、美国服务器、虚拟主机、免备案服务器”等云主机租用服务以及企业上云的综合解决方案，具有“安全稳定、简单易用、服务可用性高、性价比高”等特点与优势，专为企业上云打造定制，能够满足用户丰富、多元化的应用场景需求。