Hi,
in a previous post I have descriped how to compile the eibd daemon for the Raspberry PI. Here is a sample debian startscript to start eibd at system boot.
Login as root at your EIBd box and created a user under which the daemon should run.
useradd eibd -s /bin/false -U -M
Create the script eibd in /etc/init.d
Continue reading KNX/EIB: System V startscript for eibd
Hello,
if you want to use the Raspberry PI as a EIB/KNX Gateway or Tunnel you must compile the eibd sources from the scratch, because no precomplied binaries are currently available.
There are two ways to build the eibd. Compiling directly on the Raspberry PI or you compile it on your i386 PC. The last option means you have to “cross” compile the sources, because the RapsberryPi has a different processor architecture than your Intel/AMD PC. Here are the steps to build the eibd on an i386 using a crosscompiler for the ARM architucture.
I verfied the steps at a minimal debian system in a VirtualBox. So it is reproducible:-)
Install all necessary packages. Login as root
apt-get -y install git rsync cmake make gcc g++ binutils automake flex bison patch
Now you can Login as a “normal” user. Define a working folder
export BUILD_PATH=~/eibdbuild
mkdir -p $BUILD_PATH
cd $BUILD_PATH
We need a cross compiler respectively the toolchain for the arm1176jzf arm processor.
Continue reading Raspberry PI: Cross compiling the KNX/EIB eibd
Hi,
there are several ways to mount a partition which is within a diskimage file created for example with dd.
The first and hard way is to determine the offset of the partition start sector and mounting the disk by specifing the offset as parameter for the loop device.
You can use the file or fdisk command to examine the file.
root@ubdev:/mnt/RaspberryPI # file 2012-07-15-wheezy-raspbian.img
2012-07-15-wheezy-raspbian.img: x86 boot sector; partition 1: ID=0xc, starthead 130, startsector 8192, 114688 sectors; partition 2: ID=0x83, starthead 165, startsector 122880, 3665920 sectors, code offset 0xb8
or
root@ubdev:/mnt/RaspberryPI# fdisk 2012-07-15-wheezy-raspbian.imgCommand (m for help): pDisk 2012-07-15-wheezy-raspbian.img: 1939 MB, 1939865600 bytes 255 heads, 63 sectors/track, 235 cylinders, total 3788800 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000714e9Device Boot Start End Blocks Id System2012-07-15-wheezy-raspbian.img1 8192 122879 57344 c W95 FAT32 (LBA)2012-07-15-wheezy-raspbian.img2 122880 3788799 1832960 83 Linux
For example the startsector of partition 2 is 122880, this multiplied with the 512 bytes per sector is the byte offset of the partition. 122880*512=62914560.
Continue reading Linux: Multiple ways to mount a partition in a disk image file
Hi,
for some migration scenarios it is nesseccary to set Volume Serial Number of a partition or volume. For example when you move a license manager to a new hardware and the licenses are bound to the disk serial.
Continue reading Windows: Change the Volume Serial Number of a partition or volume
Hallo,
die Telekom drängt Ihre Kunden immer mehr weg von den alten analogen bzw. ISDN basierten Telefondiensten hin zu den neuen auf dem Internet aufbauenden Anschlüssen, auch VoIP (Voice over IP) genannt.
Das einrichten mit den von der Telekom favorisierten Speedport Routern klappt meist ohne Probleme. Nicht jeder will aber die Leihgebühr von ca 5€ jedes Monat aufbringen bzw. man möchte einen bereits vorhanden VoIP fähigen Router verwenden. Hier steht man erstmal vor der Hürde der manuellen Konfiguration des SIP Dienstes.
Für eine Fritz!box sind folgende Schritte notwendig:
Continue reading Fritz!box: Einrichten für Internettelefonie der Telekom