Minimum System prerequisites for EICS DO:

Operating System: Centos 7.9
Memory (RAM): 16 GB
SWAP Memory: 16 GB
Storage: 256 GB
Processor (CPU) Core: 4
Software Dependencies: 

mysql-community-libs-8.0.30-1.el7.x86_64
mysql-community-server-8.0.30-1.el7.x86_64
mysql80-community-release-el7-6.noarch
mysql-community-common-8.0.30-1.el7.x86_64
mysql-community-libs-compat-8.0.30-1.el7.x86_64
mysql-community-icu-data-files-8.0.30-1.el7.x86_64
mysql-community-client-plugins-8.0.30-1.el7.x86_64
mysql-community-client-8.0.30-1.el7.x86_64

clickhouse-common-static-22.7.3.5-1.x86_64
clickhouse-server-22.7.3.5-1.x86_64
clickhouse-client-22.7.3.5-1.x86_64

libhiredis0.13-0.13.3-alt3.1.x86_64
redis-7.0.12-1.el7.remi.x86_64

postfix
Cyrus-Imapd
Pam
perl 

// PHP is needed for webmail only
php-cli-7.4.33-8.el7.remi.x86_64
php-mbstring-7.4.33-8.el7.remi.x86_64
php-ldap-7.4.33-8.el7.remi.x86_64
php-json-7.4.33-8.el7.remi.x86_64
php-fpm-7.4.33-8.el7.remi.x86_64
php-imap-7.4.33-8.el7.remi.x86_64
php-common-7.4.33-8.el7.remi.x86_64
php-pear-1.10.13-5.el7.remi.noarch
php-pdo-7.4.33-8.el7.remi.x86_64
php-7.4.33-8.el7.remi.x86_64
php-gd-7.4.33-8.el7.remi.x86_64
php-pecl-redis5-5.3.7-2.el7.remi.7.4.x86_64
php-process-7.4.33-8.el7.remi.x86_64
php-pear-Net-Curl-1.2.5-10.el7.noarch
php-sodium-7.4.33-8.el7.remi.x86_64
php-mysqlnd-7.4.33-8.el7.remi.x86_64
php-phpiredis-1.0.1-1.el7.remi.7.4.x86_64
php-pecl-msgpack-2.2.0-1.el7.remi.7.4.x86_64
php-pecl-igbinary-3.2.14-1.el7.remi.7.4.x86_64
php-xml-7.4.33-8.el7.remi.x86_64
php-pecl-mailparse-3.1.6-1.el7.remi.7.4.x86_64
php-devel-7.4.33-8.el7.remi.x86_64

prosody-0.9.12-1.el7.x86_64

golang-1.19.10-1.el7.x86_64 (Not Mandatory May required only for debugging purpose)
golang-src-1.19.10-1.el7.noarch (Not Mandatory May required only for debugging purpose)
golang-bin-1.19.10-1.el7.x86_64 (Not Mandatory May required only for debugging purpose)
nodejs-16.18.1-3.el7.x86_64 (Not Mandatory May required only for debugging purpose)
nodejs-libs-16.18.1-3.el7.x86_64 (Not Mandatory May required only for debugging purpose)