Apache web server

Apache  web server

The standard web server on Linux is Apache. The web server is the technology that receives requests from web browsers and servers up the requested web pages to those browsers.
Service profile

Service:  httpd

Package: httpd

Port no:80 (http)

Configuration file: /etc/httpd/conf/httpd.conf

                                 /etc/httpd/conf.d/SSL.conf

Script file: /etc/init.d/httpd

Daemons: httpd

Objective :for hosting the websites

Install the package

[root@webserver~]#yum install httpd* -y

Edit main configuration file

[root@webserver~]#vi /etc/hhtpd/conf/httpd.conf

#add the following lines at last

<VirtualHost 192.168.0.254>

ServerAdmin root@raju.com

ServerName www.raju.com:80

DocumentRoot”/var/www/html”   

ErrorLog logs/dummy-www.raju.com-error_log  

CustomLog logs/dummy-www.raju.com-access_log common

</VirtualHost>

:wq!

Now resovle the name locally

[root@webserver~]#vi /etc/hosts

192.168.0.254        www.raju.com

:wq!

Create html page

[root@webserver~]#vi /var/www/html/index.html

#****write html code in this and save *****#

:wq!

[root@webserver~]#chkconfig httpd on

[root@webserver~]#service httpd restart

[root@webserver~]#links www.raju.com

Virtual Web Hosting

Configuring multiple sites on  single web server is called virtual hosting

There are three different types of virual hosting are there .They are

Name Based: Hosting multiple sites on single ip is called as nambebased virtual hosting

IP Based: Hosting different websites by using different IP addreses i.e, we need individual ip address for each site

Port Based: Hosting the sites using port numbers other than the default port number.

Name Based Virtual hosting

Edit main configuration file

[root@webserver~]#vi /etc/hhtpd/conf/httpd.conf

Document Root “var/www/virtual”   #search for DocumentRoot and add this line below to it

NameVirtualHost 192.168.0.254       #search for NameVirtualHost and make it as seen here

#add the following lines at last

<VirtualHost 192.168.0.254>

ServerAdmin root@raju.com

ServerName www.raju.com

DocumentRoot”/var/www/virtual”   

DirectoryIndex   raju.html

ErrorLog logs/dummy-www.raju.com-error_log  

CustomLog logs/dummy-www.raju.com-access_log common

</VirtualHost>

<VirtualHost 192.168.0.254>

ServerAdmin root@koti.com

ServerName www.koti.com

DocumentRoot”/var/www/virtual”   

ErrorLog logs/dummy-www.koti.com-error_log  

CustomLog logs/dummy-www.koti.com-access_log common

</VirtualHost>

:wq!

Now resovle the name locally

[root@webserver~]#vi /etc/hosts

192.168.0.254        www.raju.com

192.168.0.254       www.koti.com

:wq!

Create html pages

[root@webserver~]#mkdir /var/www/virtual

[root@webserver~]#vi /var/www/virtual/raju.html

#****write html code in this and save *****#

:wq!

[root@webserver~]#vi /var/www/virtual/koti.html

#****write html code in this and save *****#

:wq!

[root@webserver~]#chkconfig httpd on

[root@webserver~]#service httpd restart

[root@webserver~]#links www.raju.com

[root@webserver~]#links www.koti.com

IP Based Virtual Hosting

[root@webserver~]#vi /etc/hhtpd/conf/httpd.conf

Document Root “var/www/virtual”   #search for DocumentRoot and add this line below to it

#add the following lines at last

<VirtualHost 192.168.0.254>

ServerAdmin root@raju.com

ServerName www.raju.com

DocumentRoot”/var/www/virtual”   

DirectoryIndex   raju.html

ErrorLog logs/dummy-www.raju.com-error_log  

CustomLog logs/dummy-www.raju.com-access_log common

</VirtualHost>

<VirtualHost 192.168.0.253>

ServerAdmin root@koti.com

ServerName www.koti.com

DocumentRoot”/var/www/virtual”   

ErrorLog logs/dummy-www.koti.com-error_log  

CustomLog logs/dummy-www.koti.com-access_log common

</VirtualHost>

:wq!

Now resovle the name locally

[root@webserver~]#vi /etc/hosts

192.168.0.254        www.raju.com

192.168.0.253       www.koti.com

:wq!

[root@webserver~]#mkdir /var/www/virtual

[root@webserver~]#vi /var/www/virtual/raju.html

#****write html code in this and save *****#

:wq!

[root@webserver~]#vi /var/www/virtual/koti.html

#****write html code in this and save *****#

:wq!

[root@webserver~]#chkconfig httpd on

[root@webserver~]#service httpd restart

[root@webserver~]#links www.raju.com

[root@webserver~]#links www.koti.com

Port Based Virtual Hosting

[root@webserver~]#vi /etc/hhtpd/conf/httpd.conf

Document Root “var/www/virtual”   #search for DocumentRoot and add this line below to it

#change the following lines

<VirtualHost 192.168.0.254:5000>

ServerAdmin root@raju.com

ServerName www.raju.com

DocumentRoot”/var/www/virtual”   

DirectoryIndex   raju.html

ErrorLog logs/dummy-www.raju.com-error_log  

CustomLog logs/dummy-www.raju.com-access_log common

</VirtualHost>

<VirtualHost 192.168.0.253:8080>

ServerAdmin root@koti.com

ServerName www.koti.com

DocumentRoot”/var/www/virtual”   

ErrorLog logs/dummy-www.koti.com-error_log  

CustomLog logs/dummy-www.koti.com-access_log common

</VirtualHost>

:wq!

Now resovle the name locally

[root@webserver~]#vi /etc/hosts

192.168.0.254        www.raju.com

192.168.0.254       www.koti.com

:wq!

[root@webserver~]#mkdir /var/www/virtual

Create html page

[root@webserver~]#vi /var/www/virtual/raju.html

#****write html code in this and save *****#

:wq!

[root@webserver~]#vi /var/www/virtual/koti.html

#****write html code in this and save *****#

:wq!

[root@webserver~]#chkconfig httpd on

[root@webserver~]#service httpd restart

[root@webserver~]#links www.raju.com

[root@webserver~]#links www.koti.com

Client Side configuration

[root@webserver~]#vi /etc/hosts

192.168.0.254        www.raju.com

192.168.0.253       www.koti.com

Open browser and enter the website name