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Reorder readme sections and add some links
This commit is contained in:
Galen Wolfe-Pauly
Raymond Pasco
parent
e8ab61be7f
commit
a3b7075917
233
README.md
233
README.md
@ -16,72 +16,21 @@ which the Internet can't easily address. Programming for a
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deterministic single-level store is also a different experience from
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Unix programming, regardless of language.
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Getting involved
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----------------
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If you're interested in following Urbit, you can:
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- Read our documentation at [urbit.org](http://urbit.org/docs)
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- Subscribe to our newsletter at [urbit.org](http://urbit.org).
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- Check out the
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[urbit-dev](https://groups.google.com/forum/#!forum/urbit-dev)
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mailing list.
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- Follow [@urbit_](https://twitter.com/urbit\_) on Twitter.
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- Email us: [`urbit@urbit.org`](mailto:urbit@urbit.org). We're happy to answer questions and chat.
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Code of conduct
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---------------
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Everyone involved in the Urbit project needs to understand and
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respect our code of conduct, which is: "don't be rude."
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Install
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=======
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Urbit can be installed on most Unix systems. There is no Windows
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port. Windows is a wonderful OS, we just haven't gotten to it yet.
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Use a VM.
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Urbit is designed to run on any Unix box with an internet connection. Debian
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(jessie), OS X, FreeBSD and Fedora all work well.
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Configure swap if needed
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------------------------
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Urbit is alpha software. It’s not yet completely stable, its crypto hasn’t
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been audited, and there are plenty of rough edges. Urbit is lots of fun to play
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with, but not quite ready for your important or sensitive data.
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Urbit wants to map 2GB of memory when it boots up. We won't
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necessarily use all this memory, we just want to see it. On a
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normal modern PC or Mac, this is not an issue. On some small
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cloud virtual machines (Amazon or Digital Ocean), the default
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memory configuration is smaller than this, and you need to
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manually configure a swapfile.
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To add swap to a DO droplet, [read this](https://www.digitalocean.com/community/tutorials/how-to-add-swap-on-ubuntu-14-04). To add swap on an Amazon instance, [read this](http://stackoverflow.com/questions/17173972/how-do-you-add-swap-to-an-ec2-instance)
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Don't spend a lot of time tweaking these settings; the simplest
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thing is fine.
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Install as a package
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--------------------
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<!--
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waiting on makefile changes.
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### OS X - Homebrew
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brew install --HEAD homebrew/head-only/urbit
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-->
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### Ubuntu or Debian
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Third-party packages are available, at:
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https://github.com/yebyen/urbit-deb
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Urbit is only supported on Jessie onward (but outbound HTTPS requests only work on Stretch; I wish we knew why; help us!)
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Hand-build from source
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----------------------
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First, install all external dependencies. Then, make.
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## Build from source
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### Dependencies
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urbit depends on:
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Urbit depends on:
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gcc (or clang)
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gmp
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@ -96,135 +45,151 @@ urbit depends on:
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libssl-dev (Linux only)
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ncurses (Linux only)
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#### Ubuntu or Debian
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sudo apt-get install libgmp3-dev libsigsegv-dev openssl libssl-dev libncurses5-dev git make exuberant-ctags automake autoconf libtool g++ ragel cmake re2c
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#### Fedora
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sudo dnf install gcc gcc-c++ git gmp-devel openssl-devel openssl ncurses-devel libsigsegv-devel ctags automake autoconf libtool ragel cmake re2c
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#### AWS
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sudo yum --enablerepo epel install gcc gcc-c++ git gmp-devel openssl-devel ncurses-devel libsigsegv-devel ctags automake autoconf libtool cmake re2c
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#### OS X - Homebrew
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Which can usually be installed with the following one-liners:
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# Mac OS X [Homebrew]
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brew install git gmp libsigsegv openssl libtool autoconf automake cmake
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#### OS X - Macports
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# Mac OS X [Macports]
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sudo port install git gmp libsigsegv openssl autoconf automake cmake
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Although `automake`/`autoconf`/`libtool` are generally installed by
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default, some have reported needing to uninstall and reinstall those
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three packages, at least with Homebrew. Your mileage may vary.
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# Ubuntu or Debian
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sudo apt-get install libgmp3-dev libsigsegv-dev openssl libssl-dev libncurses5-dev git make exuberant-ctags automake autoconf libtool g++ ragel cmake re2c
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#### FreeBSD
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# Fedora
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sudo dnf install gcc gcc-c++ git gmp-devel openssl-devel openssl ncurses-devel libsigsegv-devel ctags automake autoconf libtool ragel cmake re2c
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# FreeBSD
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pkg install git gmake gmp libsigsegv openssl automake autoconf ragel cmake re2c libtool
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#### Archlinux
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# Arch
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pacman -S gcc gmp libsigsegv openssl automake autoconf ragel cmake re2c libtool ncurses
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### Download and make
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# AWS
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sudo yum —enablerepo epel install gcc gcc-c++ git gmp-devel openssl-devel ncurses-devel libsigsegv-devel ctags automake autoconf libtool cmake re2c
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Clone the repo:
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### Setting up swap
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git clone https://github.com/urbit/urbit.git
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Urbit wants to map 2GB of memory when it boots up. We won’t
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necessarily use all this memory, we just want to see it. On a
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normal modern PC or Mac, this is not an issue. On some small
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cloud virtual machines (Amazon or Digital Ocean), the default
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memory configuration is smaller than this, and you need to
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manually configure a swapfile.
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`cd` to the directory you just created:
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Digital Ocean has a post on adding swap [here](https://www.digitalocean.com/community/tutorials/how-to-add-swap-on-ubuntu-14-04). For Amazon there’s a StackOverflow thread [here](http://stackoverflow.com/questions/17173972/how-do-you-add-swap-to-an-ec2-instance).
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Don’t spend a lot of time tweaking these settings; the simplest
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thing is fine.
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### Clone and make
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Once your dependencies are installed the rest is easy:
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git clone https://github.com/urbit/urbit
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cd urbit
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Run `make`:
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make
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curl -o urbit.pill https://bootstrap.urbit.org/latest.pill
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(On FreeBSD, use `gmake` instead.)
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After running `make`, your Urbit executable lives at `bin/urbit`. The `.pill` file is a compiled binary of Arvo that Urbit uses to bootstrap itself.
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The executable is `bin/urbit`.
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# Getting started
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Fetch the latest bootstrapping pill:
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On disk your Urbit is an append-only log and a checkpoint. Or, in simpler terms, a directory where we keep all of your Urbit’s state. We call this a ‘pier’.
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curl -o urbit.pill http://bootstrap.urbit.org/latest.pill
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## Initialize
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You can use your preferred way to fetch things from the web here.
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Urbit looks for a pill named `urbit.pill` in the current directory
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by default, so if you have anything different, you'll need to tell
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Urbit where it is (on first launch only) with the `-B` command-line
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option.
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When you first start an Urbit we create this pier directory and write to it.
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Start
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=====
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To start with a planet (`~fintud-macrep`) and ticket (`~fortyv-tombyt-tabsen-sonres`):
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An urbit is a persistent server on the `%ames` P2P network. You'll
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create one of these servers now.
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bin/urbit -w fintud-macrep -t fortyv-tombyt-tabsen-sonres
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If you have an invitation, it's a planet like `~fintud-macrep` and a
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ticket like `~fortyv-tombyt-tabsen-sonres`. Run
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This will create a directory `fintud-macrep/` and begin the initialization process for that planet. Be patient, it can take a few minutes.
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urbit -w fintud-macrep -t fortyv-tombyt-tabsen-sonres
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Without a planet anyone can create a comet:
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(You can leave the `~` on, but it annoys some Unix shells.)
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bin/urbit -c comet
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If you don't have an invitation, pick a nickname for your comet, like
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`mycomet`. Urbit will randomly generate a 128-bit plot:
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This will create a directory `comet/` and start up a random 64-bit comet. You can specify any name you like.
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urbit -c mycomet
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## Orientation
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Either way, creating your urbit will take some time. Some of this
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time involves creating keys; some of it involves downloading code
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over Urbit itself. Go get a cup of coffee. Or a beer.
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When your Urbit is finished booting you should see a `dojo>` prompt. Welcome!
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Wait until you see a prompt, something like
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By default your Urbit is quite bare bones. Let's take a very short stroll through what's running by default:
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~fintud-macrep:dojo>
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### Shell — `:dojo`
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Your urbit is launched! Ladies and gentlemen, we are floating in
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space.
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The command prompt in front of you is a simple shell and Hoon REPL. Let's make sure it works:
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In either case you'll notice that we created a directory in unix called either `mycomet` or `fintud-macrep`. All of your state (a log and checkpoint) lives in that directory. You can move it around, but don't delete it!
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~fitund-macrep:dojo> (add 2 2)
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### Restarting
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Should produce:
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If you want to shut your Urbit down you can `^d` from the `dojo>` prompt. To use Urbit normally after creating your planet or comet there's no need for the `-w -t` or `-c` options.
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> (add 2 2)
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4
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Instead:
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Good.
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urbit fintud-macrep
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### Messaging — `:talk`
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or
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Use `^X` to change your prompt. Let's join the main Urbit chat channel:
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urbit mycomet
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~fitund-macrep:talk() ;join ~doznec/urbit-meta
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### Continuity breaches / network reboots
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This may take a bit as `:talk` is stateful so your Urbit will download some backlog. `/urbit-meta` is the place to ask questions, get help and talk about anything Urbit related.
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Urbit is still young, and we reboot the network from time to time. Urbit can upgrade itself over the air, but at this stage it's easier to bring in breaking api changes this way. Since our crypto is stateful we call this a 'continuity breach'.
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### Web — `:tree`
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If you have files in your Urbit you'd like to backup first make a copy of your pier. Then you'll need to shut down your urbit (with `^d`) and:
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Urbit is also accessible through the web. Try opening:
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git pull origin master
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make clean; make
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curl -o urbit.pill http://bootstrap.urbit.org/latest.pill
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http://localhost:8080/
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Then start over at the top of this section.
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in your favorite browser. You'll be prompted to use `+code`. This page was generated by `:tree`, the basic Urbit web interface. You can also access your Urbit through `http://fintud-macrep.urbit.org` (where `fintud-macrep` is your planet name).
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Talk
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====
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### Filesystem — `%clay`
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We use Urbit to talk to each other and coordinate about building the system. To join the main Urbit talk station use `^x` to switch to the `talk()` prompt, then run:
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`%clay`, the Urbit filesystem, isn't mounted to unix by default. Switch to the `:dojo` prompt and run:
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;join ~doznec/urbit-meta
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~fitund-macrep:dojo> |mount %
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This should produce:
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> |mount %
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>=
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which indicates the command was processed.
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`|mount %` will cause a `home/` directory to appear inside your pier folder. Changes to these files are automatically synced into your Urbit.
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Learn more
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==========
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Urbit's own official planet `~winsen-pagdel` hosts the public docs
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[here](http://urbit.org/docs). The docs also live in their own repo, [`urbit/docs`](http://github.com/urbit/docs).
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If this is your first time using Urbit, and you've followed the instructions above, we'd recommend continuing the sequence [here](http://urbit.org/docs/using/admin/).
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### Docs
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[urbit.org/docs](http://urbit.org/docs/) is the public documentation site.
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The source is also in its own repo: [urbit/docs](http://github.com/urbit/docs).
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### About
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[urbit.org/posts](http://urbit.org/docs/) contains some essays on the theory and future of urbit.
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### Keep in touch
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- Check out the [urbit-dev](https://groups.google.com/forum/#!forum/urbit-dev) mailing list for long-form discussion.
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- Follow [@urbit_](https://twitter.com/urbit\_) on Twitter.
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- Email [urbit@urbit.org](mailto:urbit@urbit.org). We're happy to answer questions and chat.
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Code of conduct
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===============
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Everyone involved in the Urbit project needs to understand and
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respect our code of conduct, which is: "don't be rude."
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If this is your first time using Urbit, we'd recommend starting [here](http://urbit.org/docs/user/basic#-basic-operation).
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Contributing
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============
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