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Mosh

Mosh (mobile shell) is a remote terminal application that supports intermittent connectivity and roaming.

Package Information

Property Value
Package Name mosh
Upstream mosh.org
License GPL-3.0
Default Port UDP 60000-61000

Features

  • Stays connected through network changes
  • Handles high-latency connections
  • Provides local echo for responsive typing
  • Survives sleep/wake on laptops
  • No root required

Installation

  1. Install Mosh from Package Center
  2. Open UDP ports 60000-61000 on firewall
  3. Install Mosh client on your computer

Usage

Connect from Client

# Basic connection
mosh user@your-nas

# Specify server binary path
mosh --server=/var/packages/mosh/target/bin/mosh-server user@your-nas

# Use specific port
mosh -p 60001 user@your-nas

Port Configuration

Mosh uses UDP ports 60000-61000 by default. To restrict:

mosh -p 60000 user@your-nas

Client Installation

macOS: 

brew install mosh

Linux: 

sudo apt install mosh  # Debian/Ubuntu
sudo dnf install mosh  # Fedora

Windows: Use Windows Terminal with WSL, or Chrome extension "Mosh for Chrome".

Troubleshooting

Connection Timeout

  1. Verify UDP ports are open: 60000-61000
  2. Check firewall allows UDP traffic
  3. Test SSH works first: ssh user@your-nas

Server Binary Not Found

Specify the server path: 

mosh --server=/var/packages/mosh/target/bin/mosh-server user@your-nas

Locale Errors

Set locale on server and client: 

export LC_ALL=en_US.UTF-8