Software requirements

Server-side software requirements:

#

Component Type

Component Name

Required / Optional

Notes

1

Operating system

CentOS Stream 8 (Minimal profile)

Required

Download links:

CentOS Linux ISO address 1: https://www.centos.org/download/
CentOS Linux ISO address 2: http://isoredirect.centos.org/centos/8-stream/isos/x86_64/
File to be downloaded: CentOS-Stream-8-x86_64-YYYYMMDD-{boot|dvd1}.iso

elDoc system also supports deployment on the following OS: CentOS Linux 7, RedHat Enterprise Linux (RHEL) 7/8, Windows Server 2016/2019 (Note: those deployments are not covered by this documentation, but can be performed using the same steps ported to the respective OS).

2

Database

MongoDB 4.4

Required

elDoc uses MongoDB as its database for storing all meta-data and file-attachments. elDoc follows the MongoDB latest releases and tested against latest versions of MongoDB database.

Download link (Community version): https://www.mongodb.com/try/download/community

Download link (Enterprise version): https://www.mongodb.com/try/download/enterprise

3

Java Runtime Environment

Java 11

Required

elDoc requires Java 11 to be installed. elDoc tested against Azul and Oracle implementations of Java.

Download links:

Oracle (may require license): https://www.oracle.com/java/technologies/downloads/#java11

#	Component Type	Component Name	Required / Optional	Notes
4	Full-text search service	Apache Solr 8.11.1	Optional	Download link: https://solr.apache.org/downloads.html * This is an optional component, it should be installed only in case respective full-text search functionality is required ** Min version 8.11.1 is required as it fixes the CVE-2021-44228 vulnerability related to Log4J (in version 8.11.1 Log4J library upgraded to v2.16)
5	Sync service	elDoc Java Mongo Connector	Optional	Prerequisite for full-text search service component. Provides integration between databased and indexing service. * This is an optional component, it should be installed only in case respective full-text search functionality is required
6	Online editing service	OnlyOffice 6.x	Optional	Deployed via container sub-system. * This is an optional component, it should be installed only in case respective online-editing functionality is required
7	Office conversion service	LibreOffice 6.x	Optional	Deployed via Linux standard package manager. * This is an optional component, it should be installed only in case respective online-preview and document filling functionality is required
8	Other software	Various tools & utils	Optional	Deployed via Linux standard package manager during elDoc system deployment.

Client-side software requirements:

elDoc is a web-based application which can be accessed from any devices via standard web-browser. Access from mobile devices is supported as well using mobile versions of web-browsers. While accessing elDoc from mobile devices - elDoc user interface adapts to smaller screen sizes in order to provide optimized for mobile device user interface layout.

Supported web-browsers:

elDoc supports all modern web-browsers, including (but not limiting to) listed below:

Mozilla Firefox
Opera
Microsoft Edge
Google Chrome

Support for IE (Internet Explorer) web-browser is limited or not present at all on some pages. It is strongly recommended to use any other web-browser instead of IE.