Debian 13

Install MariaDB

apt-get update
apt-get -y install mariadb-server

change auth method for root@localhost user from unix_socket to mysql_native_password type with no password

Start the mysql console first with mysql and push following queries:

MariaDB> ALTER USER root@localhost IDENTIFIED VIA mysql_native_password;
MariaDB> SET PASSWORD = PASSWORD("");
MariaDB> FLUSH PRIVILEGES;

Set mariadb's config

in /etc/mysql/mariadb.conf.d/50-server.cnf edit [mysqld] section and add options, like suggested in scalling section fo our doc

innodb_flush_log_at_trx_commit = 2
innodb_file_format = barracuda
#set there up to half of available mem
innodb_buffer_pool_size = 8GB
#starting from mariadb 10.6 is necesasry to disable read-only for compressed tables
innodb_read_only_compressed=OFF

Restart mariadb service

systemctl restart mariadb

create database needed for voipmonitor

mysqladmin create voipmonitor

Install voipmonitor GUI

Installation of packages needed by voipmonitor's GUI

apt-get install php php-gd php-mysql php-cli php-curl libapache2-mod-php php-mbstring php-zip tshark mtr librsvg2-bin fonts-urw-base35 rrdtool libtiff-tools wget vim

(When asked if non-superuser can capture traffic You can answer No)

Installing IOncube - php loader / decryptor

wget --no-continue http://voipmonitor.org/ioncube/x86_64/ioncube_loader_lin_8.4.so -O /usr/lib/php/8.4/ioncube_loader_lin_8.4.so
echo "zend_extension = /usr/lib/php/8.4/ioncube_loader_lin_8.4.so" > /etc/php/8.4/mods-available/ioncube.ini
ln -s /etc/php/8.4/mods-available/ioncube.ini /etc/php/8.4/apache2/conf.d/01-ioncube.ini
ln -s /etc/php/8.4/mods-available/ioncube.ini /etc/php/8.4/cli/conf.d/01-ioncube.ini

Installing package for voipmonitor GUI

cd /var/www/html
rm -f index.html 
wget "http://www.voipmonitor.org/download-gui?version=latest&major=5&phpver=84&festry" -O w.tar.gz
tar xzf w.tar.gz
mv voipmonitor-gui*/* ./

Finalizing steps

For working alerts / reports, system needs to run periodicaly script using scheduller

echo " * * * * * root php /var/www/html/php/run.php cron" >> /etc/crontab
kill -HUP `pgrep cron`

Set privileges for apache

chown -R www-data /var/www/html
systemctl restart apache2
mkdir /var/spool/voipmonitor/
chown www-data /var/spool/voipmonitor/

Install voipmonitor sensor

Installing sensor - voipmonitor service

mkdir /usr/src/voipmonitor
cd /usr/src/voipmonitor
wget --content-disposition http://www.voipmonitor.org/current-stable-sniffer-static-64bit.tar.gz -O x.tar.gz
tar xzf x.tar.gz
cd voipmonitor-*
./install-script.sh --no-user-input
#set in /etc/voipmonitor.conf at least interface option it can be like interface=ens33, spooldir=/var/spool/voipmonitor, cleandatabase=31, sipport=5060, maxpoolsize=102400
# start the sensor after the setting
systemctl start voipmonitor

set service to be started at a boot time

systemctl enable voipmonitor

Now go to http://yourserver/ and finish the installation.