Apache configuration for Cacti

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When you install Cacti , it will auto install and configure the Apache webserver for you and you will then be able to access the Web GUI via the Public IP . But there are cases you already have apache installed and other services running . For eg: my server is an AWS EC2 instance , so if I go for auto configure it set the web gui on the eth0 private IP and then I will be able to access the web via the AWS public IP . But I have a VPN connectivity between my servers and have a seperate tun interface and now needs to configure the cacti on that tunnel IP on a seperate port number , so to configure Apache manually in Ubuntu :

vi /etc/apache2/apache2.conf

Configure the Listen directive with IP and your port number .

Listen 10.0.1.1:8000

Then you need to allow privileges to the required cacti files under Directory directives:

<Directory /usr/share/cacti>
  Options Indexes FollowSymLinks
    AllowOverride None
    Require all granted
</Directory>

Then configure the Virtual host entry :

<VirtualHost 10.0.1.1:8000>
ServerAdmin xxxx@.xxxxcom  
DocumentRoot /usr/share/cacti  
ServerName cacti.lan  
ErrorLog /var/log/apache2/cacti-error_log 
CustomLog /var/log/apache2/cacti-access_log common 
</VirtualHost>

Save and exit and restart apache