Is there any way to add a caldav calendar to the nextcloud calendar app that allows two-way sync?

I know I can use dav5x for android but I would like to be able to add appointments to my ionos business account (which provides a caldav address) within nextcloud if possible.

hi i wanna know if android app has sharescreen option like the ios app

Thinking about new projects, what's the thing that NextCloud doesn't do that you wish it did? What plugins would you like to see in the ecosystem?

Journal, the Nextcloud app that transforms your storage into a personal knowledge base and private diary. Write daily notes using Nextcloud Text, link your ideas with wikilinks, and easily organize them using the system's native tags. It offers full-text search, flexible export options (Markdown/PDF), multilingual support, and access from any device—all while keeping your data secure and under your own control as Markdown files.Introducing Journal, the Nextcloud app that transforms your storage into a personal knowledge base and private diary. Write daily notes using Nextcloud Text, link your ideas with wikilinks, and easily organize them using the system's native tags. It offers full-text search, flexible export options (Markdown/PDF), multilingual support, and access from any device—all while keeping your data secure and under your own control as Markdown files.

This isn't a Nextcloud vulnerability, but it may still be relevant to people hosting multiple web applications on the same server.

Cybernews recently reported a critical unauthenticated RCE affecting WordPress:
https://cybernews.com/security/critical-wordpress-exploit-unauthenticated-rce/

If an attacker gains code execution through a vulnerable WordPress site running as `www-data`, the compromise may not stop at WordPress.

If your Nextcloud instance runs on the same server under the same PHP-FPM pool (or the same Unix user), the attacker inherits the same permissions that Nextcloud has.

Depending on your setup, they may be able to:
- read Nextcloud's `config.php` (database credentials, secrets, trusted domains, etc.);
- access or modify files writable by `www-data`;
- pivot into other PHP applications sharing the same runtime user.

This is a good reminder that running each application under its own PHP-FPM pool and dedicated Unix user isn't just cleaner. It's an important security boundary.

A compromise of one web application shouldn't automatically become a compromise of every other application on the same server.

Hi everyone,

I’ve been using Synology Drive for several years to sync folders between my computers and my Synology NAS, access files through the web interface, restore older versions, and share files when needed.

A while ago, I decided to set up Nextcloud and give it a proper try. I’m running Nextcloud AIO on a separate VM, while the data and backups are stored on my own infrastructure (mounted nfs share on NAS).

After using it for some time, though, I feel like I’ve encountered more complexity and limitations than actual benefits compared with Synology Drive. I’m fairly sure I’m either missing something or simply not the target user for it.

For my use case:

• Both solutions can provide encrypted storage.
• Nextcloud has a more integrated E2EE option for specific folders, but I don’t currently need it.
• I use Immich for photos, so Nextcloud Photos and Memories are not important to me.
• I don’t use Nextcloud Office, Talk, Mail, Tasks, Deck, or similar collaboration apps.
• My main requirement is reliable file synchronization between computers, version history, web access, mobile access, and straightforward backups.
• I also like that Synology Drive works directly with regular shared folders that I can access over SMB.

With Nextcloud, I have an additional VM, Docker containers, a database, Redis, reverse-proxy configuration, updates, backups, and application compatibility to think about. Synology Drive feels much more limited, but also much more straightforward and integrated with the NAS.

For people who have used both, what do you consider the main practical advantages of Nextcloud over Synology Drive?

Are there important features, privacy benefits, or architectural advantages that only become obvious after using Nextcloud for longer?

I’m not trying to criticize Nextcloud. I’d genuinely like to understand what I may be overlooking before deciding whether to keep it or return to Synology Drive as my main file-sync solution.

Thanks!

Just spun up a nextcloud instance on my nas and it's not gonna get a ton of use, but I'm trying to collab on a spreadsheet with someone and the mobile performance is awful. It doesn't show the bottom row to select sheets no matter the orientation and neither of us can coax the thing to properly scroll around or accept text in cells. Does Collabora work any better? Can I swap from Euro to Collabora without resetting my whole instance? I'm using the AIO image

Hey everyone,

I'm running Nextcloud AIO in Docker behind an Nginx reverse proxy (Unraid server). Currently it's exposed via DynDNS + port forwarding on 80/443, but I want to lock it down to Tailscale only and close those ports on my router.

Has anyone successfully set up Nextcloud AIO with Tailscale as the only access path? Specifically wondering about:

• Trusted domains: AIO's Docker env vars (NEXTCLOUD_TRUSTED_DOMAINS) are only read on first start. Did you set additional trusted domains via occ afterward?

• HTTPS: Are you using Tailscale's built-in cert (MagicDNS + HTTPS), or your own reverse proxy cert? Any issues with overwriteprotocol or forwarded_for_headers?

• Mobile clients: Does the Nextcloud app work over the Tailscale IP/hostname, or did you need extra config?

• Drawbacks: Anything that broke or doesn't work over Tailscale-only access?

I'd rather not keep any ports open on the router if I don't have to. Appreciate any real-world experience! 🙏

I have Nextcloud AIO installed via Unraid and /mnt/user/media share added as External Storage on Nextcloud. It is also an SMB share so I can access the share from Windows. I am able to see all the files in the share when I initially add the external storage but when I copy new files to the share on Windows, it does not sync and I can not see the new files added.

I manually ran this to rescan the files and now I'm able to see the new files added but this is a manual process. How can I automatically sync when new files added outside from outside the Nextcloud app?

docker exec -u 33 -it nextcloud-aio-nextcloud php occ files:scan --path="admin/files/Media"

I self-host NextCloud on a k3s cluster, and I'm able to log in just fine on the web interface but I can't log in anymore with the Android app that I get from f-droid. It opens the web login just fine and the web login works, but then it never redirects me to the Android app. There aren't even any error logs.

Is something wrong with nextcloud website? It shows content of some cloudbox… Has it been hacked or maybe my device is? 🫣

Hi! So I've spent the last few months building a handwriting app called AbelNotes, mostly because I wanted something like GoodNotes but that actually talks to my own Nextcloud instead of some company's server. I've been using it as my actual notes app through the last 6 months of uni, which is honestly why the PDF/LaTeX stuff works the way it does — I needed it for real coursework, not as a demo. It's AGPL, code's here: https://github.com/abelnotes/abelnotes

I know Saber already does the handwriting-notes-on-Nextcloud thing, so I'm not going to pretend this is some new idea. What got me building my own instead of just using it: I wanted PDF annotation where the imported page still has real selectable text under your pen strokes, not just a flat image — so you can actually highlight a paragraph and write next to it like you would on paper. I also wanted proper LaTeX (paste $$...$$ and it typesets for real, not a screenshot of it), and a way to save little hand-drawn symbols as reusable stamps, which turned out to be more useful than I expected for circuit diagrams and stuff.

Sync conflicts also do a real 3-way merge instead of just picking whichever device saved last, since I kept hitting that editing from my laptop and my ipad (using Sideloadly).

It runs on Windows, Linux and Android right now, no store, no account, just grab the .deb or .apk from the releases page and go: https://github.com/abelnotes/abelnotes/releases/latest. Windows build isn't signed so you'll get a SmartScreen warning, that's just me not having paid for a cert yet, not malware I promise.

Would love to hear what's broken or missing, especially if you're running something other than Nextcloud (ownCloud, Synology, whatever) since I've mostly only hammered on it against my own server. Tyyy

Hi! So I've spent the last few months building a handwriting app called AbelNotes, mostly because I wanted something like GoodNotes but that actually talks to my own Nextcloud instead of some company's server. I've been using it as my actual notes app through the last 6 months of uni, which is honestly why the PDF/LaTeX stuff works the way it does — I needed it for real coursework, not as a demo. It's AGPL, code's on GitHub.
I know Saber already does the handwriting-notes-on-Nextcloud thing, so I'm not going to pretend this is some new idea. What got me building my own instead of just using it: I wanted PDF annotation where the imported page still has real selectable text under your pen strokes, not just a flat image, so you can actually highlight a paragraph and write next to it like you would on paper. I also wanted proper LaTeX (paste `$$...$$` and it typesets for real, not a screenshot of it), and a way to save little hand-drawn symbols as reusable stamps, which turned out to be more useful than I expected for circuit diagrams and stuff.

Sync conflicts also do a real 3-way merge instead of just picking whichever device saved last, since I kept hitting that editing from my pc and ipad (using Sideloadly currently).

It runs on Windows, Linux and Android right now, no store, no account needed, no sign-up. Windows build isn't signed so you'll get a SmartScreen warning, that's just me not having paid for a cert yet, not malware I promise.

Would love to hear what's broken or missing, especially if you're running something other than Nextcloud (ownCloud, Synology, whatever) since I've mostly only hammered on it against my own server. Thanks for reading!

**Code + downloads:**
github.com/abelnotes/abelnotes
**Direct release (.deb / .apk / Windows zip):**
github.com/abelnotes/abelnotes/releases/latest

I regularly upload very large files (tens or even hundreds of gigabytes) to my self-hosted Nextcloud. The official Nextcloud client works well for normal synchronization, but very large uploads can become unreliable because they rely on WebDAV chunking and the final chunk assembly step. If anything interrupts that process, the upload may have to start over.

So I built a small desktop tool that bypasses WebDAV entirely and uploads files directly over SSH/SFTP. Instead of chunking and reassembling, it:

1. Sends the file to /tmp on the server via SFTP
2. Runs a sudo script that does an atomic mv to the Nextcloud data directory (instant, same filesystem)
3. Runs occ files:scan so the file shows up in Nextcloud immediately

The move is a kernel rename — takes milliseconds regardless of file size. No chunking, no assembly, no timeouts.

Features:

• Works with files of any size (tested with 120 GB+)
• Real-time progress bar with speed and ETA
• Fresh SFTP session per file (fixes Bad message / Socket closed on folder uploads)
• Remember credentials option (sudo password never saved)
• Windows exe — no Python or dependencies needed

It's meant to be used alongside the official client, not replace it — use this for large one-time uploads, let the official client handle everything else.

Download (Windows exe): https://github.com/nyorbee/ncsender/releases

Repo: https://github.com/nyorbee/ncsender/

Would love any feedback. Tested on Nextcloud 29–33, Ubuntu server.

Long-time self-hoster here; running a lot of selfhosted apps that my wife also uses. Think of Home Assistant, Nextcloud, Immich, Firefly III, Vaultwarden, and more than a handful of other services. Like a lot of you, I'm the only one in my household who understands any of it, and honestly the only one who knows where half the important family stuff lives too; bank accounts, subscriptions, warranties, documents.

That's been nagging at me: what happens if I'm unreachable for a while, or worse? My wife would have no idea where to even start.

I'm working through the concept for an open-source Android app (part of a small suite of privacy-first, Nextcloud-syncing apps I build and give away for free) that acts as a structured "instruction manual" for exactly this; plus a simple AI-assisted Q&A so she could ask something like "the bathroom lights are acting weird, what do I do?" and get an answer grounded in the actual setup, not generic troubleshooting.

Before I design anything, I'd rather ask people who actually live this setup:

• What would you want such an app to cover, beyond the obvious (passwords, service list)?
• How would you want access handled; a dead-man's switch, a manual trigger, something else? What would make you trust it enough to actually rely on it?
• Where's the line for you between "convenient for my partner" and "too much attack surface / too risky to centralize"?
• Would you want your non-technical partner using this day-to-day (so it's familiar in an actual emergency), or should it stay locked away until needed?
• What else am I missing that might be considered useful for your own setup?

Genuinely curious how others have thought about or solved this; happy to share progress as it takes shape.

Hi all,

Looking for some guidance with setting up nextcloud talk server as it seems to have messaging set up, via a docker container and a reverse proxy via NetBird, but calls ring but won't connect.

So wondering if anyone has managed to set this up?

Thanks

I recently set up my own Nextcloud server, but performance is very poor when I try to access it from Nautilus via WebDAV; Nautilus frequently stops responding. Could anyone offer some advice or suggest a free Linux app that allows for easy access? Thanks in advance.

I have the iPhone app on iOS 26

when I check my phone settings it says 5,7 Gb are used by the app.

but in the app under "offline data" there are only 700mb of files listed...

only way to get it down is to uninstall and delete all the data...

there must be a Better way?

I have a small (40GB) VPS running a NextCloud AIO docker just fine, calendars and contacts sync across devices, and 40gig is ample for general documents for my son and I.

But it won't be for photos. I do have a home server with way more space than it currently needs. What's the easiest way to use it with NextCloud?

I assume that I would need to set up a VPN between the VPS and my home network, and add it as external storage?

I am normally pretty good with this stuff but I am starting to hit the limits of my experience.

Hi,

I am using the Hetzner Managed Nextcloud and I am fairly happy with it, because I don't have the skills and time to manage a Nextcloud myself.

The only problem I have is that opening folders in Windows 11 takes forever, even when the folder is available offline.

After a double clicking the folder it might take up to 10 minutes until I see the content of the folder. Sometimes it helps going back to the root folder and getting in again, sometimes that leads to the explorer.exe crashing.

Sometimes it just shows the folder being empty when it isn't.

I do have 1.5tb of Data on my main user saved in the cloud, but it's mostly pictures and sorted by year and month, so its usually not more than 1k of pictures in a folder, most of the time way less.

The behaviour seems to be worse on slowish WiFi, while on my fiber connection at home the pause is managable. But that is the reason I download the folders I wanna work in beforehand.

Is this something I need to life with? I work a lot on my laptop while on the road and its such a pain right now.

I tried to google the problem to no result.

PS: To give you an idea how long it takes to open one folder: The time it took me to write this entire text, was the same time it took to open a folder with 609 pictures.

Hi everyone,

I recently started using Nextcloud and ran into an issue when syncing my Unity projects.

I have quite a lot of projects, and they contain a huge number of small files. Because of this, the Nextcloud desktop app on my MacBook becomes unstable, freezes, and sometimes stops responding.

I previously used Synology Drive with the same projects and didn’t have this problem.

My setup:

• Nextcloud desktop client: 33.0.7 (macOS, Cocoa)
• Nextcloud server: Nextcloud Hub 26 Spring (34.0.1)

Has anyone experienced something similar? Is there a way to improve performance or configure Nextcloud for folders with many small files?

Thanks in advance!

Running 34.0.1 native with apache2 on Ubunutu 24.04. Running behind haproxy as a reverse proxy. Using mariadb and redis as well.

Had Memories installed before the 34 update. It got disabled after the update due to incompatiblity with the new version. They have since brought it up to date, but when I tried to install it through the website, nothing happens. I get prompted for my password, but nothing happens after that. I tried enable a disabled app (AppAPI and Audit / Logging) but the same thing happens, I get prompted for my password but nothing changes. I have not tried to do a command line install. Willing to do it in the long run, but trying to figure out why I suddenly can't do anything on the app page.

I can access nextcloud fine. Have been able to manipulate files both remotely and on the local network through the web interface and the android app.

No problems reported in the nextcloud logs on the administrative pages when I check them.

I reset the folder and file permissions on the apache2 nextcloud folder (/var/www/nextcloud). No change.

Have seen similar issue mentioned before: https://www.reddit.com/r/NextCloud/comments/1tnweqy/new_install_cannot_download_and_enable_apps/

Looking for any other suggestions of things to try. Can post haproxy and nextcloud configs if it might help.

I was really hoping to upload photos (manually so as to be able to select which items to backup) from Android. However I don’t see an option in the Android NextCloud app to switch off auto upload.

Apart from this the photo upload seems to be broken and keeps complaining about permissions even though i have set the requested permissions.

I’m using a hosted NextCloud (the Good Cloud).

Tried to connect on manual way using the setup from NC fails with authentication from the NC client to the server

The server has his own encryption key but even that is not processed by NC

What I see on the server that the connection is made for IMAP but the authentication fails. The next step to connect to the SMTP port is not done as IMAP connection already fails

I really would like to get this working !!

Is there anyone who got the manual way working and with what email server?

If needed I can ask David Harris (The programmer) to give the soft sequence needed to connect to the server