How To Configure Apache to Use Custom Error Pages and URL Redirection on centos 7.5

Start and enable the apache service by using following command.

[root@linuxhlep ~]# systemctl start httpd
[root@linuxhlep ~]# systemctl enable httpd.service 
Created symlink from /etc/systemd/system/multi-user.target.wants/httpd.service to /usr/lib/systemd/system/httpd.service.

Create html file for document root in .html format

[root@linuxhlep ~]# cd /var/www/html/
[root@linuxhlep html]# vim index.html
<h1> Welcome to linuxhelp user’s </h1>

Change ownership and give Execute permission for this file.

[root@linuxhlep html]# chown -R apache.apache index.html 
[root@linuxhlep html]# chmod -R 775 index.html

Create the name based virtual host like this.so, go to the confguration location and create test.conf file.

[root@linuxhlep html]# cd /etc/httpd/conf.d/
[root@linuxhlep conf.d]# vim test.conf
<virtualhost *:80>
servername linuxhelp1.com
Documentroot /var/www/html/
</virtualhost>

Once restart the service for changes

[root@linuxhlep conf.d]# systemctl restart httpd

After restarting the service Open your web browser and navigate to the URLs Domain name or IP address. You should see the sample demo pages which we created earlier.

How To Configure Apache URL redirection

Create a following apache redirect rules on configureation file,

 [root@linuxhlep conf.d]# vim test.conf 
<virtualhost *:80>
servername linuxhelp1.com
Documentroot /var/www/html/
Redirect / "https://www.linuxhelp.com/"
</virtualhost>

Once restart the service for changes

 [root@linuxhlep conf.d]# systemctl restart httpd

After restaring the service Open your web browser and navigate to the URLs Domain name or IP address . Now url redirection successfully configured.

How to Configure Apache to Use Custom 404 Error Page

Go to the Document root, already download 403 and 404 error image download to the following location,

[root@linuxhelp conf.d]# cd /var/www/html/
 [root@linuxhelp html]# ll
-rwxrwxr-x 1 apache apache 5606 Apr  3 01:15 403.jpg
-rwxrwxr-x 1 apache apache 9812 Apr  3 01:15 404.png
-rwxrwxr-x 1 apache apache   31 Apr  3 01:07 index.html

Edit the configuration file,

[root@linuxhlep conf.d]# vim test.conf 
<virtualhost *:80>
servername linuxhelp1.com
Documentroot /var/www/html/
#Redirect / "http://www.google.com"
ErrorDocument 404 "http://linuxhelp1.com/404.jpg"
</virtualhost>

Once restart the service for changes

[root@linuxhlep conf.d]# systemctl restart httpd

After restaring the service Open your web browser and navigate to the rong URLs Domanin name/somthing or Ip address/somthing.
Now 404 Error Pages successfully customized.

How To Configure Apache to Use Custom 403 Error Page

Go to html location create an one directoy

[root@linuxhlep conf.d]# cd /var/www/html/
[root@linuxhlep html]# mkdir test

[root@linuxhlep html]# vim /etc/httpd/conf.d/test.conf
<virtualhost *:80>
servername linuxhelp1.com
Documentroot /var/www/html/
#Redirect / "http://www.google.com"
ErrorDocument 404 "http://linuxhelp1.com/404.jpg"
ErrorDocument 403 "http://linuxhelp1.com/403.jpg"
<Directory /var/www/html/pirai>
AllowOverride None
Require ip 127.0.0.1
</Directory>
</virtualhost>

 [root@linuxhlep conf.d]# systemctl restart httpd