Syncthing + FileBrowser Quantum

SettingThe upeasiest Synchingand inmost Proxmoxreliable way is really easy. You can do it by yourself, or justto use the pre-madeProxmox VE Community Helper-Script, forwhich it.

automates

Ieverything used(including installing Syncthing from the scriptDebian whichrepo). createdIt creates an LXC with maximumreasonable defaults (~2GB RAM max, 2 GBcores—fine RAM,for large transfers, low usage normally).

Option 1: Recommended – Use the Community Script (Quick & Easy)

Run this single command in the Proxmox shell (node console):

bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/syncthing.sh)"

• It sets up a privileged LXC by default (simpler permissions for mounted storage).
• Syncthing installs and gaveruns initially as root (common with scripts), but we'll switch it 2 cores. Mainly for larger file transfers, but it should use way less that that maximum under normal circumstances. Just to bea dedicated user below.
• After creation, access the Syncthing web UI at http://<LXC-IP>:8384 (set GUI auth on thefirst safeaccess).
side.

Option 2: Manual Setup

If you wantprefer tofull setcontrol:

it

up
1. on

   In yourProxmox own,UI: createCreate a new unprivileged LXC with(Debian/Bookworm template recommended).

   • CPU: 2 cores
   • RAM: 2048 MB (or adjust)
   • Storage: 8-20 GB root disk
   • Network: Static IP or DHCP

2. Start the settings below.

   After the LXC is created,LXC, open a consoleconsole, and install Syncthing via the Debian Package Repository.Syncthing:

apt update && apt upgrade -y
apt install syncthing -y

CreatingPost-Setup: Run Syncthing as a userDedicated andNon-Root movingUser the(Security configurationBest filesPractice)

The Communityscript Script(or doesmanual notinstall) createoften starts Syncthing as root initially. Switch it to a separateproper user forto syncthing,avoid aswarnings such,and wereduce will do it now.risk.

1.

First
1. Stop we need toand disable the syncthingroot serviceservice:
which is run under root

systemctl stop syncthing@root
systemctl disable syncthing@root
systemctl list-unit-files | grep syncthing  # Verify it's disabled

2. Create a dedicated system user:

adduser --system --group --home /var/lib/syncthing --shell /usr/sbin/nologin syncthing

3. Migrate existing config (if any from root run):

mkdir -p /var/lib/syncthing/.config
cp -a /root/.config/syncthing/* /var/lib/syncthing/.config/ 2>/dev/null || true
chown -R syncthing:syncthing /var/lib/syncthing

4. Create and secure your data directory (e.g., for your shares):

mkdir /data
chown -R syncthing:syncthing /data
chmod -R 750 /data

And

check
• Later, ifmount thisyour isProxmox notstorage runninghere anymore
  (e.g.,

  systemctl list-unit-files | grep syncthing

  2. Create Syncthing System user

  adduser \
    --system \
    --group \
    --home /var/lib/syncthing \
    --shell /usr/sbin/nologin \
    syncthing

  3. Copy current config

  The current config is here:bind-mount /root/data/usera, /data/userb, /data/shared from host via Proxmox UI > LXC > Resources > Add MP).config/syncthing