Ttyd - Part Your Final Over The Web


ttyd is a unproblematic command-line tool for sharing final over the web, inspired past times GoTTY.

Features
  • Built on top of Libwebsockets alongside C for speed
  • Fully-featured final based on Xterm.js alongside CJK in addition to IME support
  • Graphical ZMODEM integration alongside lrzsz support
  • SSL back upward based on OpenSSL
  • Run whatsoever custom ascendance alongside options
  • Basic authentication back upward in addition to many other custom options
  • Cross platform: macOS, Linux, FreeBSD/OpenBSD, OpenWrt/LEDE, Windows

Installation

Install on macOS
Install alongside homebrew:
brew install ttyd

Install on Linux
  • Binary version: download from the releases page.
  • Build from source (debian/ubuntu):
    sudo apt-get install cmake g++ pkg-config git vim-common libwebsockets-dev libjson-c-dev libssl-dev git clone https://github.com/tsl0922/ttyd.git cd ttyd && mkdir gear upward && cd gear upward cmake .. brand && brand install
    You may also request to compile/install libwebsockets from source if the libwebsockets-dev packet is outdated.
  • Install on Gentoo: clone the repo at https://bitbucket.org/mgpagano/ttyd/src/master/ in addition to follow the directions here for creating a local repository.

Install on Windows
ttyd tin endure built alongside MSYS2 on windows, The gear upward instructions is here.
NOTE: Native windows console programs may non operate correctly due to pty incompatibility issues. As a workaround, yous tin purpose winpty every bit a wrapper to invoke the windows program, eg: ttyd winpty cmd.

Install on OpenWrt/LEDE
LEDE 17.01.0 in addition to later:
opkg install ttyd
You may desire to compile it manually.

Usage

Command-line Options
ttyd is a tool for sharing final over the spider web  USAGE:     ttyd [options]  []  VERSION:     1.4.2  OPTIONS:     -p, --port              Port to head (default: 7681, purpose `0` for random port)     -i, --interface         Network interface to bind (eg: eth0), or UNIX domain socket path (eg: /var/run/ttyd.sock)     -c, --credential        Credential for Basic Authentication (format: username:password)     -u, --uid               User id to run alongside     -g, --gid               Group id to run alongside     -s, --signal            Signal to post to the ascendance when teach out it (default: 1, SIGHUP)     -r, --reconnect         Time to reconnect for the customer inwards seconds (default: 10)     -R, --readonly          Do non permit clients to write to the TTY     -t, --client-option     Send pick to customer (format: key=value), repeat to add together to a greater extent than options     -T, --terminal-type     Termin   al type to report, default: xterm-256color     -O, --check-origin      Do non permit websocket connectedness from unlike root     -m, --max-clients       Maximum clients to back upward (default: 0, no limit)     -o, --once              Accept entirely i customer in addition to teach out on disconnection     -B, --browser           Open final alongside the default organization browser     -I, --index             Custom index.html path     -6, --ipv6              Enable IPv6 back upward     -S, --ssl               Enable SSL     -C, --ssl-cert          SSL certificate file path     -K, --ssl-key           SSL cardinal file path     -A, --ssl-ca            SSL CA file path for customer certificate verification     -d, --debug             Set log score (default: 7)     -v, --version           Print the version in addition to teach out     -h, --help              Print this text in addition to teach out  Vi   sit down https://github.com/tsl0922/ttyd to teach to a greater extent than information in addition to study bugs.

Example Usage
ttyd starts spider web server at port 7681 past times default, yous tin purpose the -p pick to alter it, the command volition endure started alongside arguments every bit options. For example, run:
ttyd -p 8080 bash -x
Then opened upward http://localhost:8080 alongside a browser, yous volition teach a bash crunch alongside debug agency enabled.
More Examples:
  • If yous desire to login alongside your organization accounts on the spider web browser, run ttyd login.
  • You tin fifty-fifty run a none crunch ascendance similar vim, try: ttyd vim, the spider web browser volition demo yous a vim editor.
  • Sharing unmarried procedure alongside multiple clients: ttyd tmux novel -A -s ttyd vim, run tmux novel -A -s ttyd to connect to the tmux session from terminal.

Browser Support
Modern browsers, See Browser Support.

SSL how-to
Generate SSL CA in addition to self signed server/client certificates:
# CA certificate (FQDN must endure unlike from server/client) openssl genrsa -out ca.key 2048 openssl req -new -x509 -days 365 -key ca.key -subj "/C=CN/ST=GD/L=SZ/O=Acme, Inc./CN=Acme Root CA" -out ca.crt  # server certificate (for multiple domains, alter subjectAltName to: DNS:example.com,DNS:www.example.com) openssl req -newkey rsa:2048 -nodes -keyout server.key -subj "/C=CN/ST=GD/L=SZ/O=Acme, Inc./CN=localhost" -out server.csr openssl x509 -req -extfile <(printf "subjectAltName=DNS:localhost") -days 365 -in server.csr -CA ca.crt -CAkey ca.key -CAcreateserial -out server.crt  # customer certificate (the p12/pem format may endure useful for only about clients) openssl req -newkey rsa:2048 -nodes -keyout client.key -subj "/C=CN/ST=GD/L=SZ/O=Acme, Inc./CN=client" -out client.csr openssl x509 -req -days 365 -in client.csr -CA ca.crt -CAkey ca.key -CAcreateserial -out client.crt openssl pkcs12 -export -clcerts -in client.crt -inkey clie   nt.key -out client.p12 openssl pkcs12 -in client.p12 -out client.pem -clcerts
Then get-go ttyd:
ttyd --ssl --ssl-cert server.crt --ssl-key server.key --ssl-ca ca.crt bash
You may desire to show the customer certificate verification alongside curl:
curl --insecure --cert client.p12[:password] -v https://localhost:7681
If yous don't desire to enable customer certificate verification, take away the --ssl-ca option.

Docker in addition to ttyd
Docker containers are jailed environments which are to a greater extent than secure, this is useful for protecting the host system, yous may purpose ttyd alongside docker similar this:
  • Sharing unmarried docker container alongside multiple clients: docker run -it --rm -p 7681:7681 tsl0922/ttyd.
  • Creating novel docker container for each client: ttyd docker run -it --rm ubuntu.

Credits
  • GoTTY: ttyd is a port of GoTTY to C linguistic communication alongside many improvements.
  • Libwebsockets: is used to gear upward the websocket server.
  • Xterm.js: is used to run the final emulator on the web, hterm is used previously.