Hi siducerm,
hast du das Paket tpb installiert?
# apt-cache show tpb
Package: tpb
Version: 0.6.4-6
Installed-Size: 284
Maintainer: Steve McIntyre <93sam>
Architecture: amd64
Depends: adduser, libc6 (>= 2.3), libice6 (>= 1:1.0.0), libsm6, libx11-6, libxext6, libxinerama1, libxosd2 (>= 2.2.13), debconf (>= 0.5) | debconf-2.0
Pre-Depends: debconf | debconf-2.0
Suggests: xfonts-base-transcoded
Description: program to use the IBM ThinkPad(tm) special keys
This program enables the IBM Thinkpad(tm) special keys. It is possible to bind
a program to the ThinkPad button. It has a on-screen display (OSD) to show
volume, mute and brightness of the LCD.
Tag: admin::configuring, hardware::input, hardware::laptop, role::program, scope::utility, use::configuring
Section: utils
Priority: extra
Filename: pool/main/t/tpb/tpb_0.6.4-6_amd64.deb
Size: 60864
MD5sum: 2b54efcf4243267563cc142381f95bf6
SHA1: 4fce1a1384464573053caeafe7acebb8d3cdd92f
SHA256: 449bbcf943d6009dc24b28d4f8b0d1da758e8a3282b14d5770a496308b881335