How to implement multiple virtual hosts on Ubuntu 21.04

To Implement Multiple Virtual Hosts on Ubuntu 21.04

Introduction

In Apache, virtual hosting is the concept of hosting multiple sites within a single server, there are two types of virtual hosting, IP address hosting and domain hosting, so we can host either IP addresses or domain names.

Installation Procedure:

Check the OS version

linuxhelp@linuxhelp:~$ lsb_release -a

Changing as root user

linuxhelp@linuxhelp:~$ sudo -s

Changing the directory to root

root@linuxhelp:/home/linuxhelp# cd / 

Installing apache web server

root@linuxhelp:/# apt install apache2
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
  apache2-bin apache2-data apache2-utils libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap
Suggested packages:
  apache2-doc apache2-suexec-pristine | apache2-suexec-custom
The following NEW packages will be installed:
  apache2 apache2-bin apache2-data apache2-utils libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap
0 upgraded, 8 newly installed, 0 to remove and 254 not upgraded.
Need to get 1,739 kB of archives.
After this operation, 7,550 kB of additional disk space will be used.

root@linuxhelp:/# cp /etc/apache2/sites-available/000-default.conf /etc/apache2/sites-available/example1.com.conf

root@linuxhelp:/# cp /etc/apache2/sites-available/000-default.conf /etc/apache2/sites-available/example2.com.conf

root@linuxhelp:/# vi /etc/apache2/sites-available/example1.com.conf 

root@linuxhelp:/# vi /etc/apache2/sites-available/example2.com.conf 

root@linuxhelp:/# mkdir /var/www/html/example1

root@linuxhelp:/# mkdir /var/www/html/example2

root@linuxhelp:/# vi /var/www/html/example1/index.html

root@linuxhelp:/# vi /var/www/html/example2/index.html

root@linuxhelp:/# a2ensite example1.com.conf
Enabling site example1.com.
To activate the new configuration, you need to run:
  systemctl reload apache2

root@linuxhelp:/# a2ensite example2.com.conf
Enabling site example2.com.
To activate the new configuration, you need to run:
  systemctl reload apache2

root@linuxhelp:/# systemctl restart apache2

root@linuxhelp:/# vi /etc/hosts