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37 lines
1.3 KiB
Markdown
37 lines
1.3 KiB
Markdown
---
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title: "Adventures with my Pixelbook: Linux Scaling Mode"
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subtitle: Be warned, it's kind of janky
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unlisted: true
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---
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This is just a quick update on one of the largest issues I've had with the
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ChromeOS Linux app support: display scaling.
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ChromeOS has a display scaling mode for Linux applications that don't handle the
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high-DPI screen very well, and it generally works okay. It's a bit blurry, but
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better than having a tiny UI in some applications.
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The downside is that to enable this mode for an app, you need to pin that app
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to your taskbar.
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I'm not particularly fond of having a full taskbar, so I like to keep just the
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essentials on there - and what about apps I need to launch with command line
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parameters? Those can't be pinned to the taskbar without losing that ability.
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If you've run into this issue, then don't worry - there is a solution!
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ChromeOS's Linux container is allowed to draw to the screen through a special
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X11 server that is run _inside_ the container, and then forwards that image
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to the Wayland server running in ChromeOS. The magical screen scaling? It's
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just a second X11 server!
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Therein lies the trick to start apps with window scaling,
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simply set the `DISPLAY` environment variable to `:1`.
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```shell
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DISPLAY=:1 firefox
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```
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Enjoy running your Linux apps without needing a magnifying glass!
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