Atom 2.6 with php 7.4

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Amanda Pindeniya

Sep 17, 2020, 5:57:41 AM9/17/20
to AtoM Users
Hi I,'m new to  Linux and atom. I want to know that PHP 7.4 is compatible with atom 2.6. my Linux version is 20.0.4

Karl Goetz

Sep 17, 2020, 6:14:21 AM9/17/20
Hi Amanda,
If you're not familiar with the platform I strongly recommend sticking with defaults if possible.

Warning. The following instructions assume that the Nginx package is creating the directory /usr/share/nginx and that is the location where we are going to place the AtoM sources. However, we have been told this location may be different in certain environments (e.g. /var/www) or you may opt for a different location.If that is the case, please make sure that you update the configuration ...

That means using Ubuntu 18.04 and PHP 7.2.

If you need to use 20.04 I suggest looking at the group archives to see if others have reported issues running a similar configuration.


From: <> on behalf of Amanda Pindeniya <>
Sent: Thursday, 17 September 2020 7:57 PM
To: AtoM Users <>
Subject: [atom-users] Atom 2.6 with php 7.4
Hi I,'m new to  Linux and atom. I want to know that PHP 7.4 is compatible with atom 2.6. my Linux version is 20.0.4

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Dan Gillean

Sep 17, 2020, 12:32:04 PM9/17/20
to ICA-AtoM Users
Hi Amanda, 

Karl has given the best answer if you are setting up a production-ready environment. 

There are some known issues with later versions of PHP that we are currently addressing for future releases. Some fixes, such as issue #13307 (DIP upload from Archivematica fails with PHP 7.3+), were fixed before the 2.6.0 release, and the fixes are included. Other issues, such as #13397 (PHP 7.3+ causes the atom-worker to crash periodically), were identified post-2.6 release, and are issues we will be addressing in a future release. 

To help us find and address these issues, and to better allow developers to assist us and report issues, we have just created a new Vagrant development environment that installs our qa/2.x code branch (i.e. where we will be adding new features and bug fixes for a 2.7 release) with PHP 7.4 and Ubuntu 20.04. We fully expect there to be issues, but hope that testing in this environment will help us identify them. See for example: 
If you want a stable box in which to test and develop against AtoM 2.6, you would want to install the v2.7.0.0 box. If you are interested in seeing how AtoM runs with PHP 7.4 and Ubuntu 20.04 and you'd like to help us by reporting issues related to this that you discover through testing, then installing the latest v2.7.0.1 box will give you this. 

If you would like to learn more about how to set up an AtoM Vagrant environment, please see: 

Dan Gillean, MAS, MLIS
AtoM Program Manager
Artefactual Systems, Inc.
he / him

On Thu, Sep 17, 2020 at 5:57 AM Amanda Pindeniya <> wrote:
Hi I,'m new to  Linux and atom. I want to know that PHP 7.4 is compatible with atom 2.6. my Linux version is 20.0.4

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