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libam7xxx-0.1.7 released

by ao2, March 7, 2018
in

The libam7xxx-0.1.7 release is out; it's a maintenance release with no big new features.

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Capturing a screenshot of the GDM login screen

by ao2, October 1, 2016
in

These days GDM on Debian is running using Wayland, so the classic way of taking a screenshot using the X protocol does not work:

# Sleeping before launching the command allows to switch to the login screen
# before the screen gets actually captured.
#
# Otherwise if the login screen is not visible, only a black image will be
# captured.
sleep 6

sudo -u Debian-gdm\
  DISPLAY=:0 \
  XAUTHORITY=/var/run/user/109/gdm/Xauthority \
  import -display :0 -win root /tmp/GDM-screenshot.png"
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Launching the Windows Recovery Environment

by ao2, August 18, 2016
in

A friend of mine had a problem with his Windows 10 installation: the system booted but it was unresponsive, so it was not possible to enter the Windows Recovery Environment from Windows.

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Experimenting with Gtk+ theme variants: Adwaita red

by ao2, July 26, 2016
in

Most Gtk+ themes offer a “light” and a “dark” variant, however I found out that these names are just conventional: a Gtk+ theme can define variants with arbitrary names, so maybe this can be used for some fun stuff.

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libam7xxx-0.1.6 released

by ao2, November 18, 2015
in

The libam7xxx-0.1.6 release is out; it's a maintenance release with no big new features.

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Linux KMS driver for Acer C120

by ao2, July 8, 2015
in

Hans de Goede informs me that he has been working on gm12u320-kms: a new linux kernel driver for the Acer C120 mini projector, and possibly other devices based on the Grain Media GM12U320 USB3 bridge chip.

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Teclast X98 Air 3G: unbricking a Bay Trail tablet

by ao2, December 30, 2014
in

While I was trying to boot a vanilla linux kernel on the Teclast X98 Air 3G I messed up a bit with the UEFI firmware settings: the battery was not recognized anymore, the tablet was rebooting right after showing the UEFI firmware boot screen, and USB-host was not working either; so no keyboard for accessing the firmware menu to restore the default settings, and no ADB for running flashrom or the Intel FPT to reflash the firmware with.

Teclast X98 Air 3G, internals
Teclast X98 Air 3G, mainboard
ISP with a logic level converter, top
ISP with a logic level converter, angle
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Teclast X98 Air 3G: cheap Intel Bay Trail tablet, getting acquainted

by ao2, November 21, 2014
in

I got a Teclast X98 Air 3G tablet from Aliexpress, it costed 168 € ( with free shipping) and has a high-definition screen and it's an Intel Bay Trail device; so Android, x86 architecture, 2GiB of RAM and 32 GiB of storage on EMMC.

boot logo 1
boot logo 2
Attached files: 
application/octet-stream icondmesg-Teclast_X98_Air_3G.log
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PS3 BD Remote Controller under raspbmc (or XBMC)

by ao2, June 12, 2014
in

Here are some notes about how to use the PS3 BD Remote Controller with raspbmc (raspbmc is an XBMC distribution optimized for the Raspberry Pi).

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AKOP updates: Debian and Linux

by ao2, December 7, 2013
in

A due update to my AKOP “work”: a Debian and a Linux versions could not be avoided.

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