This release is a pre-release and may not be stable for production use.
Trustmux
A mobile companion for tmux / Byobu sessions. Run a lightweight daemon on your workstation; monitor and interact with your terminal sessions from your phone over your Tailscale network. No relay server — terminal data stays between your devices.
Works with plain tmux and with byobu. Byobu users get the live status bar chips; plain tmux users get everything else.
Two tiers:
- Free — PWA. Install one icon per machine directly from the browser.
- Paid — Native Flutter app with full ANSI colors, multi-machine management, and biometric auth.
Requirements
- tmux (byobu optional but recommended)
- Python 3.10+
- Tailscale installed, running, and connected
Install
Homebrew (macOS / Linux)
brew tap dustinkirkland/trustmux
brew install trustmux
trustmux enable # configure tailscale serve + start daemon
trustmux pair # generate pairing code; enter on phone
pip (PyPI)
pip install trustmux
trustmux enable
trustmux pair
Debian / Ubuntu (.deb)
Trustmux is bundled with byobu — installing byobu brings trustmux along:
sudo apt install byobu
trustmux enable
trustmux pair
Or with the PPA for the latest release:
sudo add-apt-repository ppa:dustinkirkland/byobu
sudo apt install byobu
trustmux enable
trustmux pair
Daily use
trustmux start # start daemon
trustmux stop # stop daemon
trustmux restart # restart daemon
trustmux status # show URL and running status
trustmux log # tail the daemon log
trustmux pair # generate a pairing code for a new device
trustmux unpair # list paired devices and remove them
Setup from source
cd mobile/
python3 -m venv .venv
.venv/bin/pip install -r requirements.txt
trustmux enable
trustmux pair
Configuration
| Path | Purpose |
|---|---|
~/.config/trustmux/tokens.json |
Paired device session tokens (mode 0600) |
~/.config/trustmux/trustmux.sock |
Admin Unix socket (mode 0600) |
~/.config/trustmux/trustmux.log |
Daemon log (mode 0600) |
~/.config/trustmux/machines.json |
Optional: sibling machines for the machine selector |
Multiple machines
[
{ "name": "work", "url": "https://work-machine.tail1234.ts.net" },
{ "name": "personal", "url": "https://personal.tail1234.ts.net" }
]
Security
- Daemon binds to
127.0.0.1:7432only — not reachable from the network - All traffic encrypted by Tailscale WireGuard; HTTPS via
tailscale serve - No relay server — terminal data never leaves your Tailscale mesh
- Pairing codes: 6-digit, 5-minute TTL, single-use, max 10 attempts
- Session tokens: 256-bit random, stored at mode 0600
Tests
cd mobile/
python3 -m unittest tests.test_daemon -v
Troubleshooting
502 Bad Gateway — tailscale serve is running but daemon isn't: trustmux start
"Serve not enabled" — visit the URL printed by tailscale serve --bg 7432
Phone can't reach URL — ensure Tailscale is active on the phone
Need to re-pair — run trustmux pair and enter the new code on the device
1 maintainer
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