133 lines
4.8 KiB
Markdown
133 lines
4.8 KiB
Markdown
XRSH Manual
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===========
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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. . ____ _____________ ________. ._. ._. . . . . . . . .
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. . _\ \/ /\______ \/ _____// | \. . . . . . . .
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. . _ \ / | _/\_____ \/ ~ \ . . . . . . .
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_ _ / \ | | \/ \ Y / _ _ _ _ _ _ _
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. . /___/\ \ |____|_ /_______ /\___|_ /. . . . . . . .
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. . . . . .\_/. . . . \/ . . . .\/ . . _ \/ . . . . . . . .
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▬▬▬▬ https://xrsh.isvery.ninja ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
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Open, local-first, polyglot, unix hackable & selfcontained XR apps.
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Using worlds first WebXR linux distro.
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credits: NLnet | @nlnet@nlnet.nl https://nlnet.nl/project
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all FOSS devs | copy.sh (v86) aframe.io (AFRAME)
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Leon van Kammen | @lvk@mastodon.online
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Fabien Benetou | @utopiah@mastodon.pirateparty.be
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# Getting started
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Please hook up your (bluetooth) keyboard to use xrsh.
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> tip use ctrl+a+0/1/2/3/.. to switch (GNU) screen terminals (and ctrl+a+c to create new ones)
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| usecase | command |
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|-----------------------|--------------------------------------------------------|
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| require <URL> | adds javascript or CSS url to DOM |
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| js run | js 'alert("hello")' |
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| js console.log: | console document.baseURI |
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| js inspect: | js "return document.baseURI" |
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# Polyglot environment
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Currently the following languages are supported:
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* shellscript (busybox sh)
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* awk (busybox awk v1.33.0)
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* python (micropython)
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* javascript (via your browser)
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* lua (5.3.6)
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> TIP: type `ls -la ~/hook.d/alert/*` for examples
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# Editors
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* vi (busybox vi)
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* nano (busybox nano)
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* mg (microemacs)
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# Boot sequence
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The following files are loaded during boot (via `/etc/profile`)
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| file | info |
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|-----------------------|---------------------------------------------------|
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| /etc/profile.xrsh | sets up xrsh environment |
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| /etc/profile.sh | global shellscript functions |
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| /etc/profile.js | global javascript functions |
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| /mnt/profile.browser | environment vars set by browser (`echo $HOSTNAME`)|
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| /root/.profile | user shellscript functions/settings |
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| /root/.profile.js | user javascript functions |
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| /root/.screenrc | GNU screen initialisations |
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| https://.../#ls | URI fragment is executed as command in own screen |
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> TIP: to keep things portable with future versions of XRSH: modify files in `/root/*`
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# Calling terminal from javascript
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```javascript
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const term = document.querySelector('[isoterminal]').components.isoterminal.isoterminal
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term.exec("ls -la")
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```
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# Calling javascript from terminal
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Various options:
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1. Just add the `#!/bin/js` shebang to the top of a javascript file (+ chmod +x)
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2. Run `js "alert('hello')"` in the shell
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3. Run `jsh alert hello` in the shell
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4. Run `jsh` to start an interactive shell
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# Hybrid Terminal/Browser Events
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Events are automatically triggering scripts in `/root/hook.d/{eventname}/*`
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> They can be triggered by the following ways
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1. from shellscript: `hook myevent` (will trigger **executable** files in /root/hook.d/myevent)
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2. from javascript: `isoterminal.exec("hook myevent")` (idem)
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3. via jsh: `jsh alert hello` (will trigger **executable** files in /root/hook.d/alert)
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These are various ways to enable hybrid eventing between browser and terminal (languages).
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# Multiple terminals [GNU screen]
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## From the cmdline
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```
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xrsh # screen –DR # list of detached screen
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xrsh # screen –r PID # attach detached screen session
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xrsh # screen –dmS Myses # start a detached screen session
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xrsh # screen –r MySes #attach screen session with name MySession
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```
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## Basics
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```
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ctrl a c -> create new window
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ctrl a A -> set window name
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ctrl a w -> show all window
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ctrl a 1|2|3|… -> switch to window n
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ctrl a " -> choose window
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ctrl a ctrl a -> switch between window
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ctrl a d -> detach window
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ctrl a ? -> help
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ctrl a [ -> start copy, move cursor to the copy location, press ENTER, select the chars, press ENTER to copy the selected characters to the buffer
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ctrl a ] -> paste from buffer
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```
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## Advanced
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```
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ctrl a S -> create split screen
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ctrl a TAB -> switch between split screens
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ctrl a Q -> Kill all regions but the current one.
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ctrl a X -> remove active window from split screen
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ctrl a O -> logout active window (disable output)
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ctrl a I -> login active window (enable output)
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```
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