Category Archives: Linux

Stuff about Linux

Linux: Track changes of a folder by git and cron

Hi,

this post describes howto to track changes to a folder with some (text) files in it.
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Debian: Create package from (debian) source

Hi,

its quite simply to compile from source:

Enable Source repositories in /etc/apt/sources.list

deb-src http://ftp.uni-erlangen.de/debian/ jessie main
deb-src http://security.debian.org/ jessie/updates main
deb-src http://ftp.uni-erlangen.de/debian/ jessie-updates main

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EIBD/KNX/EIB: Check if a mobile phone is online and send EIB Telegrams depending on its state

Hi,

this post describes how to check on a Raspberry Pi if a mobile phone (Apple or Android) is online and send EIB Telegram depending of the device is available or not to the EIB bus.

You need an running eibd to send packets via IP to the EIB/KNX Bus.
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OpenSSL: Check if a certificate belongs to a private key

Hi,

if you want to check if a certificate has it s origin in a specific private key respectively the signing request use the following openssl commands:
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DHCP: dhtest a tool to send customized packets to a DHCP Server

Hi,

dhtest is a tool to generate DHCP packets and send it to a DHCP server.
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