Burning Notes: February 2011

Friday, February 25, 2011

Setting up LAMP server

From this post you are going to learn how to set up LAMP server on your linux operating system. I'm using GNU/Linux Debian 6.0 distro. You can directly apply these methods for DEB based Linux systems (Ubuntu). For the RPM based systems (Redhat, Fedora, Suse ...... ) you need to apply different commands.

Ex: for DEB

#apt-get install package-name

for RPM

$ yum install package-name

$ zypper install package-name

LAMP again.........

First of all you need to install few packages, you can't find a package called LAMP, LAMP is a collection of packages which belongs to PHP and MySQL.

1.you need to update your source list.

#apt-get update

then install apache2 and php5 or any php version which is compatible to your distro.

#apt-get install apache2 php5 libapache2-mod-php5

2. Run a php script

<?php
echo "Hello World\n";
?>

save this code in to the test.php file and you should place it /var/www/. (you can give any name with php extinction)

interpret the code by using php command

# php /var/www/test.php

3. MySQL and phpMyAdmin

To do database stuff you need to install MySQL (complete package with most of the utilities) and for the php database stuff you need to install phpMyAdmin.

#apt-get install mysql-server mysql-client php5-mysql

#apt-get install phpmyadmin

4. Using MySQL

To use MySQL, you need to have a user name and password. In order to add a new user ....................

#mysql

you will get a prompt like this

mysql>

mysql> CREATE DATABASE myData;

mysql> GRANT ALL ON myData.* TO name@localhost IDENTIFIED BY 'password';

mysql> exit

test your user name

# mysql -u name -p myData

5. Dealing with phpMyAdmin

phpMyAdmin a web based SQL database handler. In order to use phpMyAdmin open your favorite web browser and use this URL ( if you haven't set a domain name )

http://localhost/phpmyadmin/

and give your user name and password there. ( which you have created for the SQL database )

6. Run php in your web browser

We have already done with the basic LAMP configuration. Still we haven't check apache web server (you don't need to configure apache2.conf file for the basic LAMP configuration).

I. Create a php script file (as I explained before ) in the /var/www/ directory.

II. Just open a web browser again and type

http://localhost/test.php

Note: red color - user define names (not keywords)

Thatz it. Enjoy the LAMP server.

Wednesday, February 16, 2011

Install tar.bz2 in linux

If you want to install an application which is not listed in your linux distro sources you need to find an installable file which suitable to your distro.

example:

for debian/ubuntu, you need to download .deb files

for fedora/suse/redhat you need to download .rpm files

If you can find .bin file, that would be the easiest way to install the application.

In this post I'm going to show how to install the application from the hardest way. (only use this method if you fail to find above files, and this method can be use for any linux distro)

Ok, now I'm going to install seamonkey. (a web browser based on firefox)

1. Download tar.bz2 file.

2. Make a directory and move the downloaded tar.bz2 file to that directory.

To make a directory ( "seamonkey" is the name I have used)

mkdir seamonkey

To move tar.bz2 file ( "seamonkey-2.0.11.tar.bz2" is the name of tar.bz2 )

mv seamonkey-2.0.11.tar.bz2 ./seamonkey/

cd seamonkey/

3. Extract .tar.bz2 file ( you can use full name without using * )

tar jxvf sea*.tar.bz2

4. Change the directory to seamonkey which has been extracted.

cd seamonkey/

5. Finally run the application by using

./seamonkey

6. Configure the application launcher ( the way is depends on the desktop environment )

for GDM

FYI: This method is for seamonkey, for the other applications, open the .tar.bz2 file then you can find the README.txt. You will find a similar method as above.