alt Hacker NewsThe major shortcoming of NextCloud, in my opinion, is that that it's not able to do sync over LAN. Imagine wanting to synchronize 1TB+ of data and not being able to do so over a 1 Gbps+ local connection, when another local device has all the necessary data. There is some workaround involving "split DNS", but I haven't gotten around to it. Other than that, I thought NC was absolutely fantastic.
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Or just use ipv6!
You could also upload directly to the filesystem and then run occ files:scan, or if the storage is mounted as external it just works.
Another method is to set your machines /etc/hosts (or equivalent) to the local IP of the instance (if the device is only on lan you can keep it, otherwise remove it after the large transfer).
Now your rounter should not send traffic to itself away, just loop it internally so it never has to go over your isps connection - so running over lan only helps if your switch is faster than your router..
I had a similar issue with a public game server that required connecting through the WAN even if clients were local on the LAN. I considered split DNS (resolving the name differently depending on the source) but it was complicated for my setup. Instead I found a one-line solution on my OpenBSD router:
pass in on $lan_if inet proto tcp to (egress) port 12345 rdr-to 192.168.1.10
> The major shortcoming of NextCloud, in my opinion, is that that it's not able to do sync over LAN.
That’s an interesting way to describe a lack of configuration on your part.
Imagine me saying: "The major shortcoming of Google drive, in my opinion, is that that it's not able to sync files from my phone. There is some workaround involving an app called 'Google drive' that I have to install on my phone, but I haven't gotten around to it. Other than that, Google drive is absolutely fantastic.
I use it on LAN without a problem (using mDNS). Sure it runs with self signed certificates, but that’s ok with me.
Check if your router has an option to add custom DNS entries. If you're using OpenWRT, for example, it's already running dnsmasq, which can do split DNS relatively easily: https://blog.entek.org.uk/notes/2021/01/05/split-dns-with-dn...
If not, and you don't want to set up dnsmasq just for Nextcloud over LAN, then DNS-based adblock software like AdGuard Home would be a good option (as in, it would give you more benefit for the amount of time/effort required). With AdGuard, you just add a line under Filters -> DNS rewrites. PiHole can do this as well (it's been awhile since I've used it, but I believe there's a Local DNS settings page).
Otherwise, if you only have a small handful of devices, you could add an entry to /etc/hosts (or equivalent) on each device. Not pretty, but it works.