Apache 2



Requirements

Before going through this tutorial, I recommend you to setup:



Installation

Apache 2

This will install web server + PHP + Perl + all required libraries.

Apache2 core

apt install apache2 apache2-utils 
apt install ssl-cert

Since Ubuntu 16.04 apache2-mpm-prefork is not required

Doc

apt install apache2-doc


Perl

apt-get install libapache2-mod-perl2 libapache2-mod-perl2-doc


SNMP

Sometimes you might encounter some SNMP errors on latest Debian based distributions.

In that case you have to install a new package and run it. 

apt-get install snmp-mibs-downloader
download-mibs


source: http://www.podciborski.co.uk/miscellaneous/snmp-cannot-find-module/


PHP 8

2021-11: PHP 8 is not included in Ubuntu 20.04 LTS.

Source article: http://www.daxiongmao.eu/wiki/index.php?title=Apache_2&action=edit

Add PHP 8.0 repository

apt install software-properties-common
add-apt-repository ppa:ondrej/php
apt update

Install core packages

To install the latest version of PHP: 

# PHP core
apt-get install php
apt-get install php-cli
# Apache2 support
apt install libapache2-mod-php


Modules PHP

apt-get install php-cgi 
#apt-get install php-opcache
apt-get install php-gd 
apt-get install php-bz2 
apt-get install php-curl 
apt-get install php-xmlrpc
apt-get install php-json 
apt-get install php-mysql 
apt-get install php-imap 
apt-get install php-mbstring
# Performances
apt install php-fpm libapache2-mod-fcgid

Enable modules 

sudo a2enmod proxy_fcgi setenvif
sudo a2enconf php8.0-fpm

Utility

apt install php-pear

Configuration

Edit PHP config file: 

vim /etc/php/8.0/cli/php.ini
  • Let CGI behaves like before: set cgi.fix_pathinfo=1
  • Adjust file upload size upload_max_filesize = 32M
  • Adjust post size post_max_size = 32M
  • Adjust time zone date.timezone = Europe/Paris
  • Save path: session.save_path = "/tmp"

Check PHP version and configuration

To ensure PHP 8.0 is well-installed just type: 

php -v


Image Magick

apt install php-gd php-imagick imagemagick

Configuration

Edit PHP config file: 

vim /etc/php/8.0/apache2/php.ini

Add / uncomment the following lines in Dynamic extensions area 

// PHP 8  (~ line 904)
extension=bz2
extension=curl
extension=gd
extension=imap
extension=mysqli


!! Note this is NOT required on Ubuntu 20.04 because these modules are enabled by default !!

Firewall

see Firewall INPUT filters#Web server

Restart the firewall 

/etc/init.d/firewall restart


Test your installation

Restart the Apache2 server 

service apache2 restart


Create a simple PHP script 

vim /var/www/html/phpinfo.php

Put the following: 

<?php
phpinfo();
?>

Adjust rights 

chown www-data:www-data /var/www/html/phpinfo.php
chmod 755 /var/www/html/phpinfo.php


You can now test your installation by going to 'http://localhost/phpinfo.php' or 'http://myServer/phpinfo.php'. You should see the default page.

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