xterm.js + ssh2 + websocket-stream + browserify = webssh

January 2, 2017 on 11:24 am | In geeky | No Comments

While pondering ideas for a website facelift, there was an idea to have a terminal for easy ssh access. However, none of the readily available options really suited my fancy; wssh came close, but it was actually doing ssh on the server side, and throwing the raw data inside websockets.

Fortunately npm is full of nice bits and pieces to build on, and browserify makes it quite easy to use most of them in a browser too.

Long story short, in the end it only required about a screenful of glue code to tie in the bits, and voilà. Place the code in webssh.js, grab also the test html file.

$ npm install xterm ssh2 websocket-stream browserify
$ `npm bin`/browserify webssh.js > bundle.js
$ websockify 8022 localhost:22

(You'll need npm and websockify for the above). Then launch the html file in your favorite browser, and login. Tune the addresses to your liking.

There's also a demo version, just enter your websocket endpoint (for example ws://localhost:8022), username and password, and on you go.

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