Installing Postgres Database Software in Linux

Open the terminal
switch to the root, by using following command
[subin@wipro-049cafd91 ~]$ su -
Password:
Enter the root password and click on enter it will enter into the root
[root@wipro-049cafd91 subin]#
then go to folder where postgresql software is present
[root@wipro-049cafd91 subin]# cd Softwares

press enter.....
[root@wipro-049cafd91 Softwares]#
then type the following command

[root@wipro-049cafd91 Softwares]# chmod +x postgresql-8.4.0-1-linux.bin
[root@wipro-049cafd91 Softwares]# ./postgresql-8.4.0-1-linux.bin

this will installs the postgressql software in your host/system.