Troubleshooting

This page collects common issues encountered when hosting or accessing flyers.

Tor connectivity

Ensure Tor is allowed through your firewall. On systems using ufw you may need to run sudo ufw allow tor.
Some networks block Tor entirely. If you cannot reach onion services, try connecting over a different network or use a Tor bridge.

Tor port detection

voxvera serve auto-detects Tor by probing common ports (9050/9150 for SOCKS, 9051/9151 for control). If detection fails -- for example when Tor runs on non-standard ports -- you can override with environment variables:

TOR_SOCKS_PORT=19050 TOR_CONTROL_PORT=19051 voxvera serve

If no running Tor is found, the defaults (9050/9051) are used and OnionShare will attempt to connect on those ports.

Firewall rules

If voxvera serve fails to start OnionShare, verify that outbound connections on ports 9001 and 80 are permitted.
Corporate or university firewalls can block the hidden service ports required by Tor.

SELinux

On SELinux-enabled distributions you may see permission denied errors when OnionShare writes to the host directory.
Run sudo chcon -Rt svirt_sandbox_file_t host or disable SELinux enforcement for the folder.

OnionShare crashes

If voxvera serve prints "OnionShare exited unexpectedly", check the log file host/<folder_name>/onionshare.log for details. Common causes:

Tor is not running (sudo systemctl start tor)
A port conflict with another service
Missing onionshare-cli (run voxvera check)

Onion URL changed unexpectedly

The onion URL is tied to the Ed25519 keypair stored in host/<folder_name>/.onionshare-session. If this file is deleted, a new keypair (and URL) will be generated on the next voxvera serve. The voxvera import command preserves this file automatically, but manual deletion of the host/ directory will destroy it.

QR codes not generated

If voxvera build reports "No URLs configured yet", this is expected before the first voxvera serve. QR codes for tear-off links are generated automatically once the .onion address is known. QR codes for the content link are generated if you provided a URL during voxvera init.

Electron GUI

If npm start fails with spawn voxvera ENOENT, the voxvera command is not in your PATH. Install it with pipx install git+https://github.com/PR0M3TH3AN/VoxVera.git or run ./install.sh from the repository.

Missing dependencies

Run voxvera check to verify your setup. The command checks for required Python packages (qrcode, Pillow, jsmin, htmlmin, pypdf) and external tools (onionshare-cli), then prints a summary of anything missing. To install everything:

# Recommended: use the install script (handles Tor + OnionShare too)
curl -fsSL https://raw.githubusercontent.com/PR0M3TH3AN/VoxVera/main/install.sh | bash

# Or reinstall just the Python package
pipx install --force 'voxvera@git+https://github.com/PR0M3TH3AN/VoxVera.git@main'

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