How to Enable Roundcube Installer in Ubuntu 20.04

While you are setting up and finishing installation your Roundcube in your Ubuntu and you accidentally shut it down, the installer will be disabled and you will encounter a message shown below.

To enable it, follow the steps below:

Step 1: Open your terminal and go to your roundcube folder. In this case, it is in /var/www/html

cd /var/www/html/roundcube

Type ls to display the list of the files and folders inside roundcube folder. There should be a folder named config.

Step 2: Check the files inside the config folder.

cd config
ls

Step 3: Edit the file named config.inc.php.

sudo nano config.inc.php

It will open a php file.

Step 4: At the bottom, paste the command below.

$config['enable_installer'] = true;

Step 5: Save it and exit. Press Ctrl + S and then Ctrl + X.

Step 6: Refresh the browser. It will show the same output as shown below.

Step 7: continue your setup.