Lock Keys Applet

This is a MATE panel applet that shows which of the CapsLock, NumLock and ScrollLock keys are on and which are off.


  • Fedora Linux: the applet is now part of the official repo! yum install mate-applet-lockkeys
  • Arch Linux: the applet will soon be in the official Arch’s repo!

To install from source:

./configure && make && make install

To build an RPM:

./configure --prefix=/usr && make && make rpm

When installed, right-click the panel, chose „Add to Panel“ and select „Keyboard LED Indicator“ from the list.


Based on original code by Juergen Scheibengruber, <mfcn at gmx dot de>.


The applet is part of the mate-desktop-fedora-extra repo, so you should first try it.

Download current version: 0.2.3:

Download previous versions:

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9 Responses to Lock Keys Applet

  1. rezso says:

    version 0.2.2 not downloadable.

    • Дил says:

      Thanks, link fixed.

      Note: 0.2.2 does not differ from 0.2.0 in features; only change is that the package allows the builder to specify a custom libexec directory (helpful for distributions which do not have a libexec directory per se).

      • rezso says:

        Thank you, I am packager :)
        And a question: can you write an applet, which shows the uptime? :)
        I think, it would be helpful for some users.

        • rezso says:

          Just two things:
          - the Hungarian language code is hu, instead of hu_HU (po/LINGUAS file),
          - I updated the Hungarian translation, I’ll send for you.

          • Дил says:

            Thank you very much, Rezso! Updated and bumped the version to 0.2.3.

            As of the applet showing uptime, what would you prefer it to look like? Digital clock, something else?

  2. Maurizio says:

    Version 0.2.3 works in FreeBSD 11.0-CURRENT on a Samsung laptop. I have installed it from source, restarted the X session and added the applet to the panel. I am using it for about a week now with no problem.
    Thank you very much.

  3. Sam says:

    I have created a Debian package for mate-lock-keys-applet:

    Currently, it is for amd64 only, but I can build an i386 version too if someone really wants it. If you want to build your own, all you need to do is add the debian folder to the source, modify as needed, and build it:

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