handbook, books, note, tutorial, troubleshooting

Ubuntu 16.04 LAMP server Steps with Apache 2.4, PHP 7 and MariaDB

Installing MariaDB as MySQL replacement

apt-get -y install mariadb-server mariadb-client
Now we set a root password for MariaDB.
You will be asked these questions:
Enter current password for root (enter for none): <-- press enter
Set root password? [Y/n] <-- y
New password: <-- Enter the new MariaDB root password here
Re-enter new password: <-- Repeat the password
Remove anonymous users? [Y/n] <-- y
Disallow root login remotely? [Y/n] <-- y
Reload privilege tables now? [Y/n] <-- y
Test the login to MariaDB with the "mysql command"
mysql -u root -p
and enter the MariaDB root password that you've set above.

Install Apache 2.4

apt-get -y install apache2
Now direct your browser to, and you should see the Apache2 default page.

Install PHP 7

apt-get -y install php7.0 libapache2-mod-php7.0
Then restart Apache:
systemctl restart apache2

Test PHP and get details about your PHP installation

The document root of the default web site is /var/www/html. We will now create a small PHP file (info.php) in that directory and call it in a browser. The file will display lots of useful details about our PHP installation, such as the installed PHP version.
nano /var/www/html/info.php
Then change the owner of the info.php file to the www-data user and group.
chown www-data:www-data /var/www/html/info.php
Now we call that file in a browser (e.g.
As you see, PHP 7.0 is working, and it's working through the Apache 2.0 Handler, as shown in the Server API line. If you scroll further down, you will see all modules that are already enabled in PHP5. MySQL is not listed there which means we don't have MySQL / MariaDB support in PHP yet.

Get MySQL / MariaDB support in PHP

To get MySQL support in PHP, we can install the php7.0-mysql package. It's a good idea to install some other PHP modules as well as you might need them for your applications. You can search for available PHP modules like this:
apt-cache search php7.0
Pick the ones you need and install them like this:
apt-get -y install php7.0-mysql php7.0-curl php7.0-gd php7.0-intl php-pear php-imagick php7.0-imap php7.0-mcrypt php-memcache  php7.0-pspell php7.0-recode php7.0-sqlite3 php7.0-tidy php7.0-xmlrpc php7.0-xsl php7.0-mbstring php-gettext
Now restart Apache2:
systemctl restart apache2

Install the APCu PHP cache to speed up PHP

APCu can be installed as follows:
apt-get -y install php-apcu
Now restart Apache:
systemctl restart apache2
Please don't forget to delete the info.php file when you don't need it anymore as it provides sensitive details of your server. Run the following command to delete the file.
rm -f /var/www/html/info.php

Enable the SSL website in apache

SSL/ TLS is a security layer to encrypt the connection between the web browser and your server. Execute the following commands on your server to enable https:// support. Run:
a2enmod ssl
a2ensite default-ssl
which enables the ssl module and adds a symlink in the /etc/apache2/sites-enabled folder to the file /etc/apache2/sites-available/default-ssl.conf to include it into the active apache configuration. Then restart apache to enable the new configuration:
systemctl restart apache2

Install phpMyAdmin

phpMyAdmin is a web interface through which you can manage your MySQL databases. It's a good idea to install it:
apt-get -y install phpmyadmin
You will see the following questions:
Web server to configure automatically: <-- Select the option: apache2
Configure database for phpmyadmin with dbconfig-common? <-- Yes
MySQL application password for phpmyadmin: <-- Press enter, apt will create a random password automatically.
MariaDB enables a plugin called "unix_socket" for the root user by default, this plugin prevents that the root user can log in to PHPMyAdmin and that TCP connections to MySQL are working for the root user. Therefore, I'll deactivate that plugin with the following command:
echo "update user set plugin='' where User='root'; flush privileges;" | mysql -u root -p mysql
Enter the MariaDB root password, when requested by the mysql command.

Ubuntu 16.04 LAMP server Steps with Apache 2.4, PHP 7 and MariaDB