Mosh

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Mosh is a SSH client server that is aware of connectivity problems of the original SSH implementation. Mosh can migrate physical connections and IP addresses while staying connected. Mosh depends on SSH.

Installation

USE flags

USE flags for net-misc/mosh Mobile shell that supports roaming and intelligent local echo

client Build network client
examples Include example scripts
hardened Activate default security enhancements for toolchain (gcc, glibc, binutils)
nettle Use dev-libs/nettle for some cryptographic functions instead of dev-libs/openssl. With Nettle, some of mosh's own code is used for OCB.
server Build network server
syslog Enable support for syslog
ufw Install net-firewall/ufw rule set
utempter Include libutempter support

Emerge

Install net-misc/mosh:

root #emerge --ask net-misc/mosh

Configuration

Mosh requires UTF-8 locales to be set in order to run. To check, run:

user $locale -a

In case it does not return the UTF-8 locale see UTF-8#Setting up UTF-8 with Gentoo Linux.

Firewall

Each mosh client requires a free and accessible UDP port between 60000 and 61000 on the server to function.

With Ufw, allow these ports with:

root #ufw allow 60000:61000/udp

Usage

Connecting

Once the remote host has SSH running, mosh installed, and the UFT8 locale set connection is possible:

user $mosh user@remote-host.com