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Update README.md: Add --web=off for graphics #101

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Update README.md: Add --web=off for graphics #101

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4 changes: 2 additions & 2 deletions README.md
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Expand Up @@ -67,7 +67,7 @@ The `-v` option tells Docker to mount the home directory (`~`) to `/userhome` in
To use graphics, make sure you are in an X11 session and run the following command:

```
docker run -e DISPLAY=$DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix --rm -it --user $(id -u) rootproject/root root
docker run -e DISPLAY=$DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix --rm -it --user $(id -u) rootproject/root bash -c 'root -l --web=off'
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This seems counter to the intent of the example (which is to use the new graphics).

Did you investigate why you get the error message:

sh: 1: xdg-open: not found`

?

```

On some platforms (e.g., Arch Linux) connections to the X server must be allowed explicitly by executing `xhost local:root` or an equivalent command (see e.g. [this page](https://wiki.archlinux.org/index.php/Xhost) for more information on `xhost` and its possible security implications).
Expand All @@ -83,7 +83,7 @@ xhost + $ip
```
This will start XQuartz and whitelist your local IP address. Finally, you can start up ROOT with the following command:
```
docker run --rm -it -v /tmp/.X11-unix:/tmp/.X11-unix -e DISPLAY=$ip:0 rootproject/root root
docker run --rm -it -v /tmp/.X11-unix:/tmp/.X11-unix -e DISPLAY=$ip:0 rootproject/root bash -c 'root -l --web=off'
```

##### Windows
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