Installing PHP
sudo apt-get install php5 libapache2-mod-php5 php5-mcrypt
Install php extensions
sudo apt-get install php5-mysql
sudo apt-get install php5-sqlite
sudo apt-get install php5.6-mbstring
sudo apt-get install libapache2-mod-php5.6
In most cases, we’ll want to modify the way that Apache serves files when a directory is requested.
Currently, if a user requests a directory from the server, Apache will first look for a file called index.html.
We want to tell our web server to prefer PHP files, so we’ll make Apache look for an index.php file first.
To do this, type this command to open the dir.conf file in a text editor with root privileges:
sudo nano /etc/apache2/mods-enabled/dir.conf
It will look like this:
DirectoryIndex index.html index.cgi index.pl index.php index.xhtml index.htm
We want to move the PHP index file highlighted above to the first position after the DirectoryIndex specification, like this:
DirectoryIndex index.php index.html index.cgi index.pl index.xhtml index.htm
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Install Multiple PHP Versions on Ubuntu 16.04
Install PHP 5.6
Step 1: Update Apt-Get
apt-get update && apt-get upgrade
apt-get install -y software-properties-common
add-apt-repository ppa:ondrej/php
apt-get update
Step 2: Install PHP 5.6
apt-get install -y php5.6
Changing PHP Version for Apache (if your server have more than one php version)
a2dismod php7.0; a2enmod php5.6; service apache2 restart
a2dismod php5.6; a2enmod php7.0; service apache2 restart
Changing PHP Version for Ubuntu
update-alternatives --config php
and then choose one php version for command line ( Ubuntu )
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Installing Apache Web Server
Step 1 —
sudo apt update
sudo apt install apache2
Step 2 — Adjusting the Firewall
sudo ufw app list
sudo ufw allow 'Apache'
sudo ufw status
or custom port allow
sudo ufw allow 8080
sudo ufw reload
Step 3 — Checking your Web Server
sudo systemctl status apache2
hostname -I
at command line : curl -4 testwebsite.com
at browser : http://your_server_ip
Step 4 — Managing the Apache Process
sudo systemctl stop apache2
sudo systemctl start apache2
sudo systemctl restart apache2
sudo systemctl reload apache2
sudo systemctl disable apache2
sudo systemctl enable apache2
Step 5 — Setting Up Virtual Hosts (Recommended)
sudo mkdir /var/www/your_domain
sudo chown -R $USER:$USER /var/www/your_domain
sudo chmod -R 755 /var/www/your_domain
nano /var/www/your_domain/index.html
and added some html code into index.html
sudo nano /etc/apache2/sites-available/your_domain.conf
/etc/apache2/sites-available/your_domain.conf
ServerAdmin webmaster@localhost
ServerName your_domain
ServerAlias www.your_domain
DocumentRoot /var/www/your_domain
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
Or
ServerName ipaddress
DocumentRoot /var/www/html/testwebsite
Options Indexes FollowSymLinks MultiViews
AllowOverride All
Order allow,deny
allow from all
Allowing Rewrite rules to Apache2 Web Server at Ubuntu
a2enmod rewrite
systemctl restart apache2
Let’s enable the file with the a2ensite tool:
sudo a2ensite your_domain.conf
Disable the default site defined in 000-default.conf:
sudo a2dissite 000-default.conf
Next, let’s test for configuration errors:
sudo apache2ctl configtest
You should see the following output:
Output
Syntax OK
Restart Apache to implement your changes:
sudo systemctl restart apache2
Checking Errors log at Apache Server
/var/log/apache2/access.log
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Installing MySQL to Manage Site Data
sudo apt install mysql-server php5-mysql
sudo mysql_secure_installation
Allow MySql without 'sudo' at command line
sudo mysql
mysql> SELECT user,authentication_string,plugin,host FROM mysql.user;
mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
mysql> FLUSH PRIVILEGES;
mysql> SELECT user,authentication_string,plugin,host FROM mysql.user;
mysql> exit
and then, you can access mysql without sudo 'mysql -u root -p'
Adding new user and grant databases / only one database
// Creating new database user
CREATE USER 'YourUserName'@'localhost' IDENTIFIED BY 'YourPassword';
CREATE USER 'YourUserName'@'%' IDENTIFIED BY 'YourPassword';
// Granting the one user to all database
GRANT ALL ON *.* TO 'YourUserName'@'localhost';
GRANT ALL ON *.* TO 'YourUserName'@'%';
// Granting the one user to one database
GRANT ALL ON YourDatabaseName.* TO 'YourUserName'@'localhost';
GRANT ALL ON YourDatabaseName.* TO 'YourUserName'@'%';
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