Posts with the tag hardware

Samsung SyncMaster 971p

Der SyncMaster 971P verfügt über ein hochwertiges PVA-Panel, das mit einem sehr hohen dyn. Kontrastwert (4.000:1), einem sehr hohen Betrachtungswinkel von 178°/178° (h/v) und schnellen 6 Millisekunden (G/G) Reaktionszeit aufwarten kann. Das elegante Design verleiht dem SyncMaster 971P der asymmetrische Dreigelenkfuß mit Pivotfunktion, gepaart mit dem versteckten Kabelführungssystem und dem...

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Install and setup libusb 1.0 on Mac OS X

If you use Homebrew, installing libusb from the Formula is as simple as

brew install libusb

Usage in Xcode

Using libusb in an Xcode project is easy:

  • Project Settings → Your Target → Build Phases → Link Binary with Libraries and add libusb-1.0.dylib.
  • Project Settings → The Project → Header Search...

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iSCSI on Ubuntu Linux

iSCSI is a software system (may be implemented in hardware) to mount remote block level devices locally. It does not provide a remote filesystem and thus is independent of the filesystem you might want to use on top of it.

iSCSI Target : PC that offers a block device to be...

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Seagate FreeAgent DockStar running Debian and Seagate FreeAgent GoFlex Home running PlugboxLinux

The Seagate FreeAgent DockStar

You can install Debian on the Seagate FreeAgent DockStar. There was a time when the device cost only ~ 20 EUR. Currently it is at 50 EUR in Germany.


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Solve jittery Magic Mouse (MBP early 2011, WiFi interference)

I experienced a problem with my Apple Magic Mouse when I wanted to use it with my new MacBook Pro (early 2011, Core i5): The movements became "blurry", jittery. I have an external display connected via Mini Displayport but this does not seem to affect the problem. But when I...

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Installing Ubuntu 10.10 Netbook Edition on Asus eee PC 900

I was not successfull creating a bootable USB stick for the netbook using Mac OS X by following the steps described on the Ubuntu download page.

What worked: I started a virtual machine with Ubuntu and connected the USB stick to it. Then I ran the Startup Disk Creator. I...

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Fix mapping of non-Apple keyboards

remapping the Command and Option key

If you use a non-Apple external USB keyboard you will notice that the Windows key represents the ⌘ Command Key and the Alt key represents the ⌥ Option key. To invert this key mapping, open the System Preferences → Keyboard → Modifier Keys → Unknown...

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Generate a Hardware Profile

sudo lshw -html > hardwareprofile.html

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gpointing-device-settings – Manage Synaptic Touchpads on Linux

gpointing-device-settings lets you manage your Synaptic touchpads etc. (gsynaptics is deprecated, use gpointing-device-settings instead):

sudo apt-get update && sudo apt-get install gpointing-device-settings

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Aiptek HP 12000u Tablet on Ubuntu 9.10 karmic

The tablet works well with Ubuntu karmic, this blog post describes my settings.

technical data

  • Aiptek HyperPen 12000 U
  • Dimensions 38.5 x 34.7 x 1.2 cm
  • Work Area 304 x 228 mm
  • Maximum Resolution 3048 lines/inch - 120 lines/mm
  • Accuracy 0.2 mm (or 0.422 mm ?)
  • Detection Distance maximum 8 mm
  • Pressure Sensitivity 512 stages
  • Number of Macro Keys...

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Hauppauge Nova-T USB2 DVB-T Stick – again

may need libxine1-ffmpeg and/or libavcodec-unstripped-52 to work:

sudo aptitude install libxine1-ffmpeg libavcodec-unstripped-52

Also check out my older blog post on the Nova-T USB2.


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Formatting a USB stick on Ubuntu: Spaceloop XL 8GB bz CnMemory

Newly bought the MBR contained:

philipp@lion:~$ sudo dd if=/dev/sdb bs=512 count=1 | hexdump -C
[sudo] password for philipp: 
1+0 records in
1+0 records out
512 bytes (512 B) copied, 4.8121e-05 s, 10.6 MB/s
00000000  eb 58 90 4d 53 44 4f 53  35 2e 30 00 02 08 22 00 ...

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Test Speed Of Partitions (and therefore also Hard Disk Drives)


The command sudo hdparm -t /dev/sda on my Samsung SpinPoint F1 HD103UJ returns:

 Timing buffered disk reads:  210 MB in  3.02 seconds =  69.63 MB/sec


Compile seeker (multithreaded) from seeker_baryluk.c using:

gcc -o seeker -O2 -march=native seeker_baryluk.c -pthread

And execute it like this (where the...

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Set Your Physical NIC to a Different MAC Address

It's called MAC spoofing.

The commands do achieve it are:

  1. Bring down the interface and enter a new MAC address
  2. Bring up the interface

On Ubuntu Linux this can be achieved (for nic eth1 and a new mac address of 00:14:11:12:34:15) like this:

sudo ifconfig eth1 down hw ether 00:14:11:12:34:15
sudo ifconfig eth1 up


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Get VolUp/VolDown keys on Cherry G85 keyboard to work

To get my cherry G85 to work properly including the additional audio keys I have to do the following:

To change the channels which your MM keys control, go to your main Gnome menu and find: Applications → System Tools → Configuration Editor (gconf-editor)

  • Set the value of /desktop/gnome/sound/default_mixer_device to alsamixer:hw:0
  • Edit /desktop/gnome/sound/default_mixer_tracks and...

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Hauppauge Nova-T USB2 DVB-T Stick

First we want to find out something about the hardware.
Using dmesg we find:

dib0700: loaded with support for 8 different device-types
dvb-usb: found a 'Hauppauge Nova-T Stick' in <span...

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Uninstall the Proprietary Nvidia Driver

For my Nvidia Geforce 8600 GT in order to uninstall the driver I have to run the following command and restart:

sudo aptitude remove nvidia-glx-180

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Add GUI for lm-sensors to the Panel (German)

sudo apt-get install sensors-applet

Right click on the panel → Add to Panel → Hardware Sensors Monitor


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Use lm-sensors to read out I2C/ISA hardware (check temperatures, ...)

Many motherboards have electronic chips that control fan speed or measure temperatures. Some are connected via I2C, others via ISA. Most of them can be read out using lm-sensors on Linux computers.

Install the lm-sensors package using:

sudo apt-get install lm-sensors

Try to detect the chips (sensors) connected to your...

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Transfer HDD Software Raid from IB-NAS-4220-B to workstation computer

I'm writing this post because I want to get away from my Raidsonic IB-NAS-4220-B, a dedicated network access storage (NAS) device. Instead I want to put the two S-ATA hard disks into my Ubuntu linux home server. It should use software raid1 just as the NAS did before and I...

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Software to Communicate via the Serial Port


sudo aptitude install minicom


cd ~/Downloads/
mkdir hterm
cd hterm
# nowadays you don't have to be that specific about what kind of archive it is 'tar -xf ' will work on anything
tar -xf hterm.tar.gz
rm hterm.tar.gz

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