arch-wiki-md-repo/wiki/_content/english/MOC.md

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[Music On Console](https://moc.daper.net/) is a lightweight music player similar to [MPD](/index.php/MPD "MPD"), but unlike it, MOC comes with an interface and its server does not support remote access.

## Contents

*   [1 Installation](#Installation)
*   [2 Configuration](#Configuration)
    *   [2.1 Lynx like navigation](#Lynx_like_navigation)
*   [3 Usage](#Usage)
*   [4 Last.fm scrobbling](#Last.fm_scrobbling)
    *   [4.1 mocp-scrobbler](#mocp-scrobbler)
*   [5 Front-ends](#Front-ends)
*   [6 systemd service file](#systemd_service_file)
*   [7 Troubleshooting](#Troubleshooting)
    *   [7.1 MOC fails to start](#MOC_fails_to_start)
    *   [7.2 Strange characters](#Strange_characters)
    *   [7.3 FATAL_ERROR: Layout1 is malformed](#FATAL_ERROR:_Layout1_is_malformed)
*   [8 See also](#See_also)

## Installation

[Install](/index.php/Install "Install") the [moc](https://www.archlinux.org/packages/?name=moc) package. The latest development version is available as [moc-svn](https://aur.archlinux.org/packages/moc-svn/). For [PulseAudio](/index.php/PulseAudio "PulseAudio") support install [moc-pulse](https://aur.archlinux.org/packages/moc-pulse/) or [moc-pulse-svn](https://aur.archlinux.org/packages/moc-pulse-svn/) for the development version.

## Configuration

Sample configuration files can be found in `/usr/share/doc/moc/`. On *mocp* first run the local `~/.moc/` directory is created. To configure, copy the examples to it and edit accordingly.

Themes are stored in `/usr/share/moc/themes` and can be set in `~/.moc/config`. See `/usr/share/moc/themes/example_theme` for more.

To change the default key bindings, see `/usr/share/doc/moc/keymap.example`.

If you want to use Moc with [OSS](/index.php/OSS "OSS") v4.1, see [OSS#MOC](/index.php/OSS#MOC "OSS").

### Lynx like navigation

To change directories with the arrow keys uncomment in `~/.moc/config`:

```
Keymap = keymap

```

Edit the following in `~/.moc/keymap`:

```
go    = ENTER RIGHT
go_up = U LEFT
#seek_forward  = RIGHT
#seek_backward = LEFT

```

## Usage

Run *mocp* to start the server and interface. Some useful default shortcuts (press `h` for more):

| Start playing at this file or go to this directory | `Enter` |
| Pause | `Space` or `p` |
| Play next file | `n` |
| Play previous file | `b` |
| Silent seek forward by 5s | `]` |
| Silent seek backward by 5s | `[` |
| Switch between playlist and file list | `Tab` |
| Add a file/directory to the playlist | `a` |
| Add a directory recursively to the playlist | `A` |
| Delete an item from the playlist | `d` |
| Clear the playlist | `C` |
| Increase volume by 1% | `>` |
| Decrease volume by 1% | `<` |
| Increase volume by 5% | `.` (dot) |
| Decrease volume by 5% | `,` (comma) |
| Set volume to 10% | `Alt+1` |
| Set volume to 90% | `Alt+9` |
| Detach MOC from the server | `q` |
| Quit | `Q` |

To shut down the server, press `Shift+q` or run the `mocp -x` command.

## Last.fm scrobbling

### mocp-scrobbler

[mocp-scrobbler](https://aur.archlinux.org/packages/mocp-scrobbler/) is a Last.fm/Libre.fm scrobbler for MOC with support for now-playing notifications, daemonization and cache. It only depends on [Python](/index.php/Python "Python") 3.

Copy the example file to your user config directory:

```
mkdir ~/.mocpscrob/
cp /usr/share/doc/mocp-scrobbler/config.example  ~/.mocpscrob/config

```

Edit `~/.mocpscrob/config` to add your login and password. The password variable will be replaced with `password_md5` on the first run. Its value will be the original value hashed using MD5 algorithm. If you want to change password, just add again password with you new password, and `password_md5` will be replaced.

To scrobble tracks, start *mocp-scrobbler* as daemon before *mocp*. You can also use an [alias](/index.php/Alias "Alias"):

```
alias mocp='/usr/bin/mocp-scrobbler.py -d; mocp'

```

In January of 2016 last.fm updated their password requirements, with all new and updated passwords requiring the inclusion of one of the following characters `!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~`, or a space. This is known to cause an authentication error with mocpscrob configurations which specify passwords not conforming to these new specifications. Changing one's password and updating the `~/.mocpscrob/config` password accordingly resolves this issue.

If you want to use Libre.fm instead of Last.fm it is important to change `hostname` from `post.audioscrobbler.com` to `turtle.libre.fm`.

## Front-ends

*   **mocicon** — GTK panel applet to control MOC

	[http://mocicon.sourceforge.net/](http://mocicon.sourceforge.net/) || [mocicon](https://aur.archlinux.org/packages/mocicon/)

*   **moc-tray** — Quick and easy access to mocp basic functions

	[https://code.google.com/p/moc-tray/](https://code.google.com/p/moc-tray/) || [moc-tray](https://www.archlinux.org/packages/?name=moc-tray)

*   **eXo** — Qt frontend to MOC, supports scrobbling

	[https://bitbucket.org/blaze/exo/](https://bitbucket.org/blaze/exo/) || <small>not packaged? [search in AUR](https://aur.archlinux.org/packages/)</small>

## systemd service file

 `/etc/systemd/system/moc@.service` 
```
[Unit]
Description=MOC server
ConditionPathExists=/usr/bin/mocp
After=network.target sound.target

[Service]
RemainAfterExit=yes
User=%I
ExecStart=/usr/bin/mocp -S
ExecStop=/usr/bin/mocp -x
WorkingDirectory=/home/%I/

[Install]
WantedBy=multi-user.target

```

[Enable](/index.php/Enable "Enable") this service for the respective user.

## Troubleshooting

### MOC fails to start

If MOC fails to start, it is most probably because of something wrong in `~/.moc/`. You can try to fix it, or simply delete the whole folder.

### Strange characters

If you see strange-like characters displayed in *moc* instead of the normal lines (vertical lines to separate space, etc.), you may have a font set incompatible to MOC. Either change the respective font, or edit `.moc/config` to use ASCII for drawing lines:

```
ASCIILines = no

```

### FATAL_ERROR: Layout1 is malformed

If MOC crashes with this error, try adding either line to `.moc/config`:

```
Layout1 = directory(0,0,50%,100%): playlist(50%,0,100%,100%)

```

or

```
Layout1 = directory(0,0,50%,100%): playlist(50%,0,FILL,100%)

```

See [original report](http://moc.daper.net/node/262) and [Debian bugs](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=485059).

## See also

*   [Official documentation](http://moc.daper.net/documentation)