# yum install postgresql-server
# yum install postgresql
# yum install httpd
# yum install php
# yum install php-pgsql

# su - postgres
$ #rm -r data
$ initdb --encoding=UTF8 --no-locale -D /var/lib/pgsql/data
$ pg_ctl start
$ createuser --pwprompt --superuser --createdb --no-createrole xxusrxx
$ psql -c 'create database xxdbxx with owner = xxusrxx;' postgres
$ psql -c 'create schema xxschxx authorization xxusrxx;' -d xxdbxx -U xxusrxx

# chkconfig --add postgresql
# chkconfig postgresql on

# /etc/init.d/httpd start

# chkconfig --add httpd
# chkconfig httpd on

vim /etc/sysconfig/iptables

# Firewall configuration written by system-config-firewall
# Manual customization of this file is not recommended.
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT

変更後

# /etc/init.d/iptables stopt
# /etc/init.d/iptables start

/etc/httpd/conf.d/php.conf の内容を確認（なにもしなくても動くはず）

/etc/sysconfig/i18n

* 日本語

LANG="ja_JP.UTF-8"