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How to solve 'Cannot connect to NoMachine monitor' on Linux

The "cannot connect to NoMachine monitor" error can be caused by a problem in the NFS configuration related to file locking. It was reproduced on RHEL 8, Debian 11.1, SuSE OpenSUSE 15.x......

Id: AR10W01326 Applies to: NoMachine Server

Added on: 2025-10-10 Last modified: 2026-02-25

Are NoMachine for Enterprise products available as evaluation software?

Yes, all Enterprise software is available for evaluation for 30 days. The software can be freely downloaded from the NoMachine website and activated using a license file, which is obtained......

Id: AR10K00713 Applies to: FAQs

Added on: 2013-10-10 Last modified: 2026-02-19

Installation & configuration notes for NoMachine Linux Raspberry Pi packages

In this article you will find notes about NoMachine packages which we have made available for Linux Raspberry Pi devices. Please select the appropriate subsection according to the version of......

Id: AR07N00896 Applies to: NoMachine Software

Added on: 2016-07-25 Last modified: 2026-02-12

The Linux session becomes slow when the monitor goes in sleep mode

We noticed this behaviour with a Linux machine equipped with NVIDIA GPU and any of the drivers of the 440 series, but we cannot exclude that it can happen also with other graphics cards. When the......

Id: AR12T01182 Applies to: NoMachine Software

Added on: 2022-12-14 Last modified: 2026-02-12

Can I use NoMachine Network to connect to a NoMachine free edition installation?

Yes, you can because NoMachine Network is a separate service which complements the NoMachine software. In the case of the free version, one incoming connection is permitted.  You can use all......

Id: AR06V01236 Applies to: FAQs

Added on: 2024-06-26 Last modified: 2026-02-09

NoMachine Security Statement

The NoMachine Security Statement is intended to provide information for redacting Privacy Impact Assessment documents in accordance to GDPR rules. NoMachine client-server architecture NoMachine......

Id: AR04S01121 Applies to: NoMachine Software

Added on: 2021-04-14 Last modified: 2026-02-06

How to delete my NoMachine account?

You can delete your account through the website or from the NoMachine player. Doing so will remove your NoMachine account from both the NoMachine website and across all your devices. In both......

Id: AR06W01293 Applies to: FAQs

Added on: 2025-06-17 Last modified: 2026-02-06

How to change port 4443 for web connections

This article applies to v8 or higher. Since version 8, the NoMachine web server, nxhtd, accepts only encrypted connections on port 4443 (HTTPS). Administrators may change the listen port via......

Id: AR07S01137 Applies to: NoMachine Client

Added on: 2021-07-21 Last modified: 2026-01-26

Some tips about resize and scaling options for NoMachine remote desktop software

NoMachine offers three display modes that control how your remote desktop appears in the session window. The default mode depends on your connection type. - Physical desktop session: The......

Id: AR02M00835 Applies to: NoMachine Software

Added on: 2015-02-04 Last modified: 2026-01-21

NoMachine server licensing, Hyper-Threading Technology and Dual Core/Multi-Core Technology

Whatever your choice of computer system architecture NoMachine products Terminal Server, Enterprise Terminal Server and Terminal Server Node licensing is based on the number of cores per physical......

Id: AR11B00072 Applies to: NoMachine Licensing

Added on: 2004-11-05 Last modified: 2026-01-15

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