TLEDS, XTLEDS Homepage
tleds and xtleds are
programs which blinks keyboard LEDs (Light Emitting
Diode) indicating outgoing and incoming network packets on selected
The Scroll-Lock LED blinks when there was a packet sent and the
Num-Lock LED when one was received.
works both in X-windows and on Virtual Terminal (VT). xtleds needs
libX11.so (shared library) to work.
can be run _also_ on systems where there is no X-Windows installed.
Both programs probably work only on x86 and PPC Linuxes or
as far as now I haven't heard anyone using these in
Needs read access to /proc/net/dev to work.
If you have had problems with keyboard lately (kernel 2.6.9+), see
this. I've had the problem in two machines after updating kernel
from v2.6.8. Killing tleds (-k) for now helps. There is also a kernel patch in
the thread, which may work. I haven't tested it.
The former version is tleds-1.04.tgz
v1.04 does not have support for 2.1 and 2.2 kernels.
The v1.05 (beta) has also optional kernel v2.1 (v2.1.119 +N?)
,kernel 2.2.x, kernel 2.4.x
and 2.6.x support:
tleds-1.05beta10.tgz (28 KB)
(as many people has asked about this:)
To have tleds working with kernel 2.2, 2.4 or 2.6, edit the Makefile (v1.05beta)
and put -DKERNEL2_1 option for gcc. The Makefile has comment
Then re-make (recompile).
Roland Stigge has made a patch (
which adds support for multiple interfaces.
2 leds mod by Zibri
Jonathan Rogers' daemon patch, which fixes
the hanging open standard file descriptors; and
which uses /dev/tty0 rather than /dev/console.
Rich Lafferty has made a patch (
tleds-wifi.diff.bz2) which monitors WiFi association status with
The home page of TLEDS is
Man page in HTML is available.
tleds and xtleds were made 1997 by Jouni.Lohikoski (št) iki.fi
Copyrighted and released under the GNU General Public License.
Last changed on 2005-01-18