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How to Install VtigerCRM on Debian 10 Buster

Vtiger CRM is a popular Customer Relationship Management web application which can help enterprises grow sales, deliver customer service, and increase profits. This article will guide you through the installation of Vtiger open source edition on a Debian 10 system with the Apache web server, MariaDB, and PHP.


  • A newly deployed Debian 10 instance (4GB+ of memory recommended)
  • Root access to your server, via SSH or console.
  • A domain name pointing to your Vultr IP address. will be used as an example.


Step 1: Update the system.

First, update your system:

apt update
apt upgrade -y

Once that is done, reboot and login again:


Step 2: Setup a swap file (optional)

If your system has less than 4GB of memory, you can setup a virtual memory file to potentially improve performance. The following commands will create a 4GB swap file, instruct the system to use it as swap space, and create a corresponding entry in /etc/fstab for automatic mounting at boot.

dd if=/dev/zero of=/swapfile bs=1k count=4M
chmod 0600 /swapfile
mkswap /swapfile
swapon /swapfile
echo "/swapfile swap swap defaults 0 0" | tee -a /etc/fstab

Step 3: Install Apache, PHP and MariaDB.

Use the following command to install the needed packages and tools:

apt install -y apache2 libapache2-mod-php mariadb-server mariadb-client php-imap php-curl php-xml php php-common php-mysql unzip

Once the installation is complete, make sure that the Apache and MariaDB services are enabled and running:

systemctl enable --now apache2.service mariadb.service

Step 4: Configure PHP.

Using a text editor of your choice, open the file /etc/php/7.3/apache2/php.ini and make the following changes:

memory_limit = 512M
max_execution_time = 240
error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
display_errors = On
log_errors = Off

Step 5: Setup MariaDB.

We’ll start by securing our MariaDB installation using the command:


Answer all of the questions as shown below and be sure to choose a strong password for the root user:

Enter current password for root: Press :key_enter:
Set root password? [Y/n] y
Remove anonymous users? [Y/n] y
Disallow root login remotely? [Y/n] y
Remove test database and access to it? [Y/n] y
Reload privilege tables now? [Y/n] y

We’ll now create a database and a MariaDB user, both of which will be dedicated to the Vtiger web application. Login to the MySQL CLI (mysql -u root -p) and use the following commands:

CREATE USER 'vtigercrm'@'localhost' IDENTIFIED BY 'StrongPasswordHere';
GRANT ALL PRIVILEGES ON vtigercrm.* TO 'vtigercrm'@'localhost';

Next, open the file /etc/mysql/my.cnf in a text editor and add the following lines:


Save the changes and restart MariaDB:

systemctl restart mariadb.service

Step 6: Download Vtiger CRM:

Go to the Vtiger download page and click “Download Open Source”, then copy the download link for the latest stable TAR.GZ version, and download it on your server:

cd /tmp
wget -O vtiger.tgz DOWNLOAD_LINK

For example:

wget -O vtiger.tgz

Go back to the download page and copy the download link for any corresponding hotfix package, and download it as well:

wget -O

Now unpack and move the directory to the web root:

tar -xzf vtiger.tgz
rm vtiger.tgz
mv vtigercrm/ /var/www/ 

Apply the hotfix:

unzip -o -f -d /var/www/vtigercrm

Since write permissions are needed, we’ll give the apache process user ownership of the directory:

chown -R www-data:www-data /var/www/vtigercrm

Due do what appears to be a minor bug in the open source version of Vtiger, it will incorrectly report the PHP error_reporting directive as NOT RECOMMENDED. To resolve this, open the file /var/www/vtigercrm/modules/Install/views/Index.php in a text editor such as vim or nano, and find the following line (32):

version_compare(PHP_VERSION, '5.5.0') <= 0 ? error_reporting(E_ERROR & ~E_NOTICE & ~E_DEPRECATED) : error_reporting(E_ERROR & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT);

Replace it with:

version_compare(PHP_VERSION, '5.5.0') <= 0 ? error_reporting(E_ERROR & ~E_NOTICE & ~E_DEPRECATED) : error_reporting(~E_NOTICE & ~E_DEPRECATED & ~E_STRICT & E_WARNING);

Step 7: Apache configuration.

Before configuring Apache, let’s obtain an SSL certificate from “Let’s Encrypt” using certbot:

apt install -y certbot
certbot certonly --webroot --agree-tos -m youremail@domain.tld -d

When prompted to input the webroot for your domain, type in /var/www/html. Certbot will verify that you own your domain and that it correctly resolves to your server’s IP address before creating and saving your certificate and key file.

To keep things organized, create two configurations files for your VtigerCRM instance, vtigercrm80.conf and vtigercrm443.conf for HTTP and HTTPS, respectively. Both files should be created in /etc/apache2/sites-available.

nano /etc/apache2/sites-available/vtigercrm80.conf

And paste the following, which will instruct Apache to redirect all incoming HTTP requests to HTTPS :

<VirtualHost *:80>

  DocumentRoot /var/www/vtigercrm

  ErrorLog /var/log/apache2/vtigercrm-error.log
  CustomLog /var/log/apache2/vtigercrm-access.log common

  RewriteEngine on
  RewriteCond %{SERVER_NAME}
  RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,QSA,R=permanent]


For the HTTPS version:

nano /etc/apache2/sites-available/vtigercrm443.conf

Below is a sensible configuration that you can tweak if you have more specific needs:

<VirtualHost *:443> 

  DocumentRoot /var/www/vtigercrm

  SSLEngine on
  SSLCertificateFile /etc/letsencrypt/live/
  SSLCertificateKeyFile /etc/letsencrypt/live/
  SSLProtocol all -SSLv2 -SSLv3
  SSLHonorCipherOrder on
  SSLCompression off
  SSLOptions +StrictRequire

  <Directory /var/www/vtigercrm>
    Options FollowSymLinks
    AllowOverride All

  ErrorLog /var/log/apache2/vtigercrm-error.log
  CustomLog /var/log/apache2/vtigercrm-access.log common


Enable both virtual host files:

a2ensite vtigercrm80.conf
a2ensite vtigercrm443.conf

And enable the rewrite and SSL apache modules:

a2enmod rewrite
a2enmod ssl

Finally, restart the apache service to apply changes:

systemctl restart apache2.service

Step 8: Web Installation Wizard

Navigate to, you’ll be greeted with the installation wizard. Click “Install” to begin, and follow these steps:

1. First, you’ll have to agree to the Vtiger Public License before proceeding.

2. The wizard will check your PHP configuration. All tests should pass if you followed this guide. Click “Next”

3. You’ll be asked to enter your database information:

  • Host Name: localhost
  • User Name: vtigercrm
  • Password: The password you chose during user creation in the MySQL console.
  • Database Name: vtigercrm
  • Create new database: Yes. (Check the checkbox. Even though we already create a database, this currently is required in order for the installer to create all tables.)
  • Root User Name: vtigercrm
  • Root Password: The password you chose during user (vtigercrm) creation in the MySQL console. Do not enter the password for the root user.

The system information and admin user information forms should be filled according to your requirements.

4. Confirm your configuration and proceed.

5. Specify your industry and click “Next”. The wizard will begin the setup process, which may take some time.

6. Select the features you’d like to enable. The installation process is now complete.

Further Reading

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