Tutorial

How To Install Linux, Apache, MySQL, PHP (LAMP) stack on Debian

Published on October 5, 2012
How To Install Linux, Apache, MySQL, PHP (LAMP) stack on Debian

About LAMP

LAMP stack is a group of open source software used to get web servers up and running. The acronym stands for Linux, Apache, MySQL, and PHP. Since the virtual private server is already running Debian, the linux part is taken care of. Here is how to install the rest.

Set Up

Before running through the steps of this tutorial, make sure that all of your repositories are up to date:

apt-get update

With that completed, go ahead and start installing the LAMP server.

Step One—Install Apache

Apache is a free open source software which runs over 50% of the world’s web servers.

To install apache, open terminal and type in these commands:

apt-get install apache2

That’s it. To check if Apache is installed on your VPS, direct your browser to your server’s IP address (eg. http://12.34.56.789). The page should display the words “It works!" like this.

How to Find your Server’s IP address

You can run the following command to reveal your VPS's IP address.

ifconfig eth0 | grep inet | awk '{ print $2 }'

Step Two—Install MySQL

MySQL is a widely-deployed database management system used for organizing and retrieving data.

To install MySQL, open terminal and type in these commands:

apt-get install mysql-server

During the installation, MySQL will ask you to set a root password. If you miss the chance to set the password while the program is installing, it is very easy to set the password later from within the MySQL shell.

Finish up by running the MySQL set up script:

 mysql_secure_installation

The prompt will ask you for your current root password.

Type it in.

Enter current password for root (enter for none): 
OK, successfully used password, moving on...

Then the prompt will ask you if you want to change the root password. Go ahead and choose N and move on to the next steps.

It’s easiest just to say Yes to all the options. At the end, MySQL will reload and implement the new changes.

By default, a MySQL installation has an anonymous user, allowing anyone
to log into MySQL without having to have a user account created for
them.  This is intended only for testing, and to make the installation
go a bit smoother.  You should remove them before moving into a
production environment.

Remove anonymous users? [Y/n] y                                            
 ... Success!

Normally, root should only be allowed to connect from 'localhost'.  This
ensures that someone cannot guess at the root password from the network.

Disallow root login remotely? [Y/n] y
... Success!

By default, MySQL comes with a database named 'test' that anyone can
access.  This is also intended only for testing, and should be removed
before moving into a production environment.

Remove test database and access to it? [Y/n] y
 - Dropping test database...
 ... Success!
 - Removing privileges on test database...
 ... Success!

Reloading the privilege tables will ensure that all changes made so far
will take effect immediately.

Reload privilege tables now? [Y/n] y
 ... Success!

Cleaning up...

Once you're done with that you can finish up by installing PHP on your virtual server.

Step Three—Install PHP

PHP is an open source web scripting language that is widely use to build dynamic webpages.

To install PHP, open terminal and type in this command. Note: If you are on a version earlier than Debian 7, include php5-suhosin as well.

 apt-get install php5 php-pear php5-mysql

After you answer yes to the prompt twice, PHP will install itself.

Finish up by restarting apache:

service apache2 restart

Congratulations! You now have LAMP stack on your droplet!

Step Four—RESULTS: See PHP on your Server

Although LAMP is installed, we can still take a look and see the components online by creating a quick php info page

To set this up, first create a new file:

 nano /var/www/info.php

Add in the following line:

<?php
phpinfo();
?>

Then Save and Exit.

Finish up by visiting your php info page (make sure you replace the example ip address with your correct one): http://12.34.56.789/info.php

It should look something like this:

By Etel Sverdlov

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Etel Sverdlov
Etel Sverdlov
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I did the exact same steps, but when I try to load up info.php page the browser just downloads the info.php file to my computer.

Did you restart the Apache server?

try
nano /var/www/html/info.php

and then add

<?php
phpinfo();
?>

This worked for me. The info.php file needs to be in the html directory to load, and the tutorial just puts it in the www directory, not the html directory.

It’s because this tutorial uses older version of Apache server. In newer versions of Apache server, the correct directory is html

Etel Sverdlov
DigitalOcean Employee
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February 14, 2013

As long as php is installed, this should not happen. Where you able to download all of php packages in this command?

<pre> apt-get install php5 php-pear php5-suhosin php5-mysql</pre>

Did you try to turn it off and on?

Sounds like a joke but I’m talking about apache service, if you don’t restart the apache2 service instance the php interpreter won’t work…

how to install lamp-server using sudo apt-get install lamp-server^

in debian one command line to complete LAMP installation

apt-get install apache2 php5 mysql-server phpmyadmin

Hi, php5-suhosin dosen’t appear to work. It says it cannot find it! Everything else worked, and I was able to display the PHP info page, so I’m not entirely sure what it does, but I’d like to get it all set up! Thanks!

alex.vados, php5-suhosin was removed in Debian 7. Use Ubuntu 12 LTS or Debian 6.3 instead.

Kamal Nasser
DigitalOcean Employee
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June 1, 2013

I’ve updated the article, thanks!

You may need to run

‘’’ apt-get install libapache2-mod-php5

as well if you are running ubuntu

If you are using Ubuntu you may need to add the libapache2-mod-php5 package. If you dont you may end up seeing php printed in plain text as alextoma has pointed out.

apt-get install libapache2-mod-php5
Kamal Nasser
DigitalOcean Employee
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July 10, 2013

@kevin: The ‘php5’ package includes ‘libapache2-mod-php5’ if I recall correctly, so there is no need to install the package separately.

Thanks I did all steps on my Debian 7 and it works like charm!

You saved my time.

Regards, Sharif

No much information to install a complete functional website in Devian…All info is for Ubuntu.

Debian uses the same apt-get tool. All of the steps worked fine for me. Running debain on my droplet

Kamal Nasser
DigitalOcean Employee
DigitalOcean Employee badge
August 17, 2013

@emilio_b2002: Most of the Ubuntu articles should work fine in Debian, since Ubuntu is based on Debian. Give it a shot – let me know how it goes :]

easy peasy!

cool man , I’ve did just what you said and everything works like a charm !!! thanks

great idea

“I did the exact same steps, but when I try to load up info.php page the browser just downloads the info.php file to my computer.”

This is because php.ini contains short_open_tag = Off

use full tag <?php … ?>

Hi Etel, This will be great if you please update the same in your simple and very helpful guide.

  1. When I entered my droplet’s IP address on the browser - I get this message: “Welcome to nginx!”

  2. When I entered “my-IP-address/index.html” on the browser - I get apache2 greeting message: "It works!

This is the default web page for this server.

The web server software is running but no content has been added, yet."

  1. Restarting apache2 with the command: “service apache2 restart” – give the message below: […] Restarting web server: apache2apache2: Could not reliably determine the server’s fully qualified domain name, using 127.0.0.1 for ServerName … waiting apache2: Could not reliably determine the server’s fully qualified domain name, using 127.0.0.1 for ServerName . ok

  2. I had created a previous droplet with LEMP, saved an image, then destroyed it. Both droplet have the same name. Is this a problem?

What did I do wrong?

Kamal Nasser
DigitalOcean Employee
DigitalOcean Employee badge
January 6, 2014

@arabia: Try clearing your browser’s cache. Make sure nginx is stopped and is completely removed: <pre>sudo apt-get remove nginx sudo apt-get autoremove sudo service nginx stop sudo service apache2 start</pre>

The tut is straight forward, but it seems that there is something wrong… or possibly I missed something…

I tried this tut over 5 times, but nothing worked for me… All the times I have issue with php code being displayed instead of being executed !! as if the php lib is not working!!!

any idea how to get around this issue??

ok, I found a small mistaken in my conf file. sorted and works good…

by the way, which one is better Apache MPM prefork or worker, and why??

I heard a lot about prefork efficiency as it is always recommended by hosting companies and web developers over worker module…

Run the command:

apt-get install php5 php-pear php5-suhosin php5-mysql

without… php5-suhosin …like so:

apt-get install php5 php-pear php5-mysql

I followed the same steps however its not able to find my info.php file I get this error

Not Found

The requested URL /test.php was not found on this server.

Apache/2.4.7 (Ubuntu) Server at 162.243.131.133 Port 80

Any suggestions? Thanks!

When installing php this way, how can we install it with following options?

.configure --with-apxs2=/usr/local/apache2/bin/apxs --with-mysql --with-zlib

Kamal Nasser
DigitalOcean Employee
DigitalOcean Employee badge
August 9, 2014

@wishwa: You can install these extensions by running:

sudo apt-get install php5-mysql libapache2-mod-php5 apache2-prefork-dev

after following the tutorial.

Thanks for such great manual!

Thanks for the nice tutorial. Very helpful :)

As a related tutorial I would love to know how to host many websites on the same host (droplet).

Thank you so much!!

Fast installation!!

Thank you for making this Tutorial I did make this script to make it even more easier

https://github.com/Darksleep/LampMe

helpfully tutorial, tnks :D

To the guy with problems using Apache 2.4.7, the default page to this version has changed… Try copying your ‘info/teste/file.php’ to < /var/www/html > :D

If you’re getting a 404 error when trying to access info.php try moving the file to /var/www/html as this is the default directory.

great work

I’ve followed the same steps on Ubuntu servers without fail. Thanks for the great information! I look forward to installing a Debian server today or tomorrow using these instructions. :-)

on ubuntu following line gives ip addrees through with extra bit of text being multiple match

ifconfig eth0 | grep inet | awk ‘{ print $2 }’

can we safely change it to

ifconfig eth0 | grep inet | awk ‘NR==1{ print $2 }’

Thanks Etel for this tutorial.

I just move the phpinfo.php too /var/www/html/phpinfo.php and work great.

I use debian 8.1

hi how can i save info.php file on putty?

Wow, great tutorial, it works for me !

Quick update. I tried to do this tutorial and most of it definitely still works. The Apache2 home page is much more detailed than the one the picture shows. However, the PHP test did not work. After a little bit of poking, I saw this in the Apache2 test page:

By default, Debian does not allow access through the web browser to any file apart of those located in /var/www

and

The default Debian document root is /var/www/html. You can make your own virtual hosts under /var/www

Adding the test PHP file in /var/www/html resulted in a working PHP page.

I am stuck at installing mySql… What could be the issue? Using Debian 8.5 x64

160715  6:39:45 [Warning] Using unique option prefix key_buffer instead of key_buffer_size is deprecated and will be removed in a future release. Please use the full name instead.
160715  6:39:45 [Note] /usr/sbin/mysqld (mysqld 5.5.49-0+deb8u1) starting as process 18965 ...
Job for mysql.service failed. See 'systemctl status mysql.service' and 'journalctl -xn' for details.
invoke-rc.d: initscript mysql, action "start" failed.
dpkg: error processing package mysql-server-5.5 (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of mysql-server:
 mysql-server depends on mysql-server-5.5; however:
  Package mysql-server-5.5 is not configured yet.

dpkg: error processing package mysql-server (--configure):
 dependency problems - leaving unconfigured
Processing triggers for libc-bin (2.19-18+deb8u4) ...
Processing triggers for systemd (215-17+deb8u4) ...
Errors were encountered while processing:
 mysql-server-5.5
 mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)

This is one guide i followed and I followed a few earlier, and they were really good. I am kind of new to “hardware” (everyting that is computers but not programming I call hardware). I am really happy with the results of this guide, I just wanted to say that. Respect to Digital Ocean. I am happy to be a member.

Should change:

ifconfig eth0 | grep inet | awk '{ print $2 }'

To

ifconfig eth0 | awk '/inet/ { print $2 }'

While it doesn’t really matter, minimizing piping is a good practice to get into especially if you write long and epic bash scripts. =)

Edit: If you want a really clean output then change it to this:

ifconfig eth0 | awk '/inet/ && !/inet6/ {gsub("addr:","");print $2}'

am a Kali linux beginner… do i need to be connected to the Internet to install LAMP?

This should probably be updated for Debian 9 (Stretch). If you run the above:

apt-get install php5 php-pear php5-mysql

You get the following:

Package php5 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

This is what worked for me:

apt install php7.0 libapache2-mod-php7.0 php7.0-mysql php7.0-gd php7.0-opcache

It will install the following:

  • PHP version 7 for Apache 2
  • PHP 7 mysql connectivity module
  • PHP 7 OpCache module to speed up scripts
  • PHP 7 GD module for graphics

Hi,

Running Debian 9. All the steps work fine before the “apt-get install php5 php-pear php5-mysql”

this command returns

Package php5 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source

Package php5-mysql is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source

I would also like to add the right permissions to the /var/www/ folder. Info collected from here

mainly these 3 commands are required:

sudo adduser $USER www-data
sudo chown $USER:www-data -R /var/www
sudo chmod u=rwX,g=srX,o=rX -R /var/www

without them I could not save the info.php file

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