I have installed Nextcloud Hub 26 Winter as an AIO with Nextcloud Office on a new server. The underlying system is Proxmox with an Ubuntu 24.04 VM running Docker. On this setup, Office is really slow — it can take up to 20 seconds to open an empty file. Chrome and Firefox sometimes even report that …

hi @MaverikX I think below are possible reasons of the slowness This is a pretty common issue when running Collabora on Proxmox, and the fact that your resources aren’t being maxed out actually narrows it down. Here’s what I’d check: Most likely: Proxmox CPU type This is the #1 cause of sluggish…

Maybe I have a similar issue, but I am not sure: [image] Slow Document loading due to EXDEV: Invalid cross-device link Installation & Configuration Dear community! I run nextcloud via php / apache and collabora via docker container. I have been trying to rese…

Thank you for your replies. After a lot of back and forth and much tinkering, I have finally found the solution. The issue was with the Reverse Proxy. I had previously been using NPMPlus and decided to test the regular NPM as a trial. It worked immediately, so I then spent some more time adjusting t…

Nextcloud Office tab crashes / long loading time on Hub 26 Winter (Docker, Proxmox)

Installation & Configuration

darshan March 19, 2026, 6:30am 5

@MaverikX

This is interesting. Let me test with my env and get back to you

Collabora Online Weekly Meeting #251

Topic		Replies	Views
Startup speed very slow >20 sec Installation & Configuration	0	787	July 8, 2021
Dockerized collabora suddenly extremely slow Installation & Configuration	5	1812	October 26, 2021
Opening a document slowed down from 3 seconds to 13 seconds Installation & Configuration	3	437	January 25, 2022
Nextcloud Office app & Collabora Code Docker image compatibility Installation & Configuration	1	1188	August 11, 2022
Infinite loading screen, Collabora Nextcloud	1	1782	October 9, 2022

27 – 29 April 2026, Hamburg, Germany

Nextcloud Office tab crashes / long loading time on Hub 26 Winter (Docker, Proxmox)

Related topics