wireless networking, free software, solar power

Building the PiCloud – RaspberryPi & ownCloud

Why give your data to the big cloud (= someone else’s computer), when you can have the fun (and the control) yourself? Learn basic Linux, Raspberry Pi and ownCloud setup in this fun workshop, compiled for an event supported by IDA at the PITLab/ITU. Materials are shared here – if you run your own workshop, […]

The recent PGP/GnuPG debate – some thoughts

It is a bit ironic: In the wake of the Snowden revelations, only a very few security and encryption technologies were found to still be trusted and uncrackable (from all we know today). One of these technologies is PGP Side note: The terms “OpenPGP”, “PGP”, and “GnuPG / GPG” are often used interchangeably. This is […]

Raspberry Pi filesharing server with ownCloud – [IPv6 enabled::!]

(On the occasion of the IPv6 sessions at http://wireless.ictp.it/school_2015/ – if you are interested in a workshop on this, please contact us!)   How to set up a Raspberry PI, IPv6 enabled filesharing server with ownCloud   1/ Install Ubuntu or Debian or similar on a Raspberry PI – a PI2 is best. help on […]

X-CTU on Linux Ubuntu 10.04

¬†¬†Using Digi XCTU on linux (ubuntu 10.04) Digi XCTU, http://ftp1.digi.com/support/documentation/90001003_A.pdf (last verified: Feb 2012) is a utility for configuring xbee modems. While it is a Windows application, it can easily be made to work on Linux. The following is no new information, rather just a confirmation and documentation of making this work on Linux Ubuntu […]

How to boot from USB in virtualbox on Ubuntu

How to boot from USB in virtualbox Useful for quick testing of USB boot media, flexible plug’n’play of guest operating systems, and so on. Tested for various Ubuntu 9/10, virtualbox 3.1.6/4 Prepare: $ su # mkdir /root/.VirtualBox/HardDisks # VBoxManage internalcommands createrawvmdk -filename /root/.VirtualBox/HardDisks/usbdisk.vmdk -rawdisk /dev/sdb1 So, you tell virtualbox to see the USB drive as […]