Jalview's Menus and Fonts are too small on my Linux machine

Looking for the 'Launch Jalview' buttons ?

You need to download an installer to run Jalview 2.11.
You can still use webstart to access old versions of Jalview in the version archive

If you are running Jalview in Linux with a HiDPI or 4K monitor then the font size and menus are likely to be too small to be practical.

To effectively remedy this, you will need a Java 11 version of Jalview.  For Jalview Java 11 is not officially supported but we are working towards that, so you can:

  1. Download a Java 11 linux installer from https://www.jalview.org/getdown/release/install4j/11/jalview-2_11_1_0-linux_x64-java_11.sh
    (if you are using linux a platform other than intel 64 bit you will need to obtain a Java 11 JRE, e.g. from https://adoptopenjdk.net/, and then download the non-bundled-jre unix installer from https://www.jalview.org/getdown/release/install4j/11/jalview-2_11_1_0-unix-java_11.sh).
  2. Install as usual with the command
    bash jalview-2_11_1_0-linux_x64-java_11.sh
  3. Assuming this installed into the directory ~/opt/jalview, edit the file ~/opt/jalview/jalview and add onto the first blank line
    export GDK_SCALE=2
    so that the top of that file looks like
export GDK_SCALE=2

# Uncomment the following line to override the JVM search sequence
# Uncomment the following line to add additional VM parameters

Jalview should now run at double sized resolution.

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