From time to time I have the possibility to write for the print media. These articles will be listed here in chronological order. Please consider buying the online version of the texts or even the magazine issue if you like the topics. Thanks!

Pulsmesser - Opsview-Monitoring eines KVM-Servers im Clusterbetrieb
Published in the German Linux Magazin 2011/12
Authors: Thilo Uttendorfer, Valentin Höbel, Markus Feilner
Notes: German original version
You can view the online version of the article here.

Im Test: Das Asus Eee Pad Transformer TF101
Published in the German Android User 2011/12
Author: Valentin Höbel
Notes: German original version
You can view the complete online version of the article for free here.

Monitoring with Opsview – Opsview teams up with Pacemaker, Heartbeat, and DRBD.
Published in the US/UK/AU Admin Magazine 2012/Issue #7
Authors: Thilo Uttendorfer, Valentin Höbel, Markus Feilner
Notes: Translated version of the “Pulsmesser” article
You can view more information here.

Contador de pulsos
Published in the BR Admin Magazine 2012/05
Authors: Thilo Uttendorfer, Valentin Höbel, Markus Feilner
Notes: Translated version of the “Pulsmesser” article
You can view more information here.

Log-Wellenreiter – Logfiles überwachen und Aktionen anstoßen
Published in the German Linux Magazin 2012/5
Authors: Thilo Uttendorfer, Valentin Höbel
Notes: German original version
You can view the online version of the article here.

Linux-Multimeter – Systemdiagnose von Vmstat über Netstat bis Dstat
Published in the German Linux Magazin 2012/5
Author: Valentin Höbel
Notes: German original version
You can view the online version of the article here.

Stat Pack – System Diagnosis Tools
Published in the US/UK/AU Linux Magazine 2012/Issue #139
Author: Valentin Höbel
Notes: Translated version of the “Linux-Multimeter” article
You can view more information here.

Log Rider – Monitoring logs with Logcheck and Logsurfer
Published in the US/UK/AU Linux Magazine 2012/Issue #139
Author: Thilo Uttendorfer, Valentin Höbel
Notes: Translated version of the “Log-Wellenreiter” article
You can view more information here.

Stattgegeben – Die Community-Edition von Cfengine 3.4.0 lernt Posix-ACLs
Published in the German Linux Magazin 12/2012
Author: Valentin Höbel
Notes: Article about Cfengine 3.4.0 Community Edition
You can view more information here.

Tor zur Welt – Raspberry Pi als Tor-Proxy nutzen
Published in the German Linux User 09/2013
Authors: Valentin Höbel, Thomas Leichtenstern
Notes: Article about using the Rasp Pi as a WLAN AP and Tor client.
You can view more information here.

Fingerspitzengefühl – Freihändige Gestensteuerung mit dem Leap-Motion-Controller
Published in the German Linux Magazine 10/2013
Authors: Valentin Höbel
Notes: Article about my experiences with the Leap Motion Controller in combination with Linux.
You can view more information here.

Abgetaucht – Raspberry Pi als Tor-Router und Web-Filter
Published in the German Raspberry Pi Geek 06/2013
Authors: Valentin Höbel
Notes: Extended version of my article about the Onion Pi for the Linux User.
You can view more information here.

Gateway to the World – Using the Raspberry Pi as a gateway proxy
Published in the US/UK/AU Linux Magazine 2013/Issue #155
Authors: Valentin Höbel, Thomas Leichtenstern
Notes: Translated version of my article about the Onion Pi for the German Linux User.
You can view more information here.

Nicht anfassen! – Windows-Rechner freihändig mit Leap Motion steuern
Published in the German Windows Phone User 06/2013
Authors: Valentin Höbel
Notes: About my experiences with the Leap Motion controller in combination with Windows 8.
You can view more information here.

Personal Protection – Raspberry Pi as a Tor router and web filter
Published in the US/UK/AU Raspberry Pi Geek 02/2013
Author: Valentin Höbel
Notes: Translated version of my extended article about the Onion Pi.
You can view more information here.

Eingesperrt – Programmzugriffe kontrollieren mit AppArmor
Published in the German LinuxUser 2/2014
Author: Valentin Höbel
Notes: Article about the way AppArmor works and how it can be used to protect applications from doing any harm to a Linux box.
You can view more information here.

Leicht inkontinent – Kommerzieller Filterproxy SafeSquid
Published in the German LinuxUser 3/2014
Autor: Valentin Höbel
Notes: German article about the web filter software SafeSquid.
You can view more information here.

Safety Filter – Exploring the SafeSquid filter proxy
Published in the US/UK/AU Linux Magazine 2014/Issue #161
Author: Valentin Höbel
Notes: Article about the free proxy software SafeSquid.
You can view more information here.

Zentralverwaltung – Serverfarmen verwalten mit Saltstack
Published in the German Linux Magazine 06/2014
Authors: Valentin Höbel, Jürgen Schulz
Notes: Article about my experience with SaltStack.
You can view more information here.

Google Translate CLI: Translating at the command line
Published in the US/UK/AUS Linux Magazine Issue 165/2014
Author: Valentin Höbel
Notes: Article about the CLI tool Google Translate CLI
You can view more information here.

Google Translate CLI: Übersetzen auf der Kommandozeile
Published in the German LinuxUser 08/2014
Author: Valentin Höbel
Notes: Article about the CLI tool Google Translate CLI (original German version)
You can view more information here.

Reprepro – Debian-Systeme mit einem selbst aufgesetzten Paket-Repo versorgen
Published in the freiesMagazin 10/2014
Author: Valentin Höbel
Notes: Article about creating a Debian repository with reprepro
You can view more information here.

LinuxCon and CloudCon 2014 (Düsseldorf) News Coverage for the Linux Magazine
I wrote some news articles for the Linux Magazine Germany regarding the LinuxCon and CloudCon 2014 in Düsseldorf.
http://www.linux-magazin.de/NEWS/Linux-Foundation-stellt-Dronecode-vor
Die Core Infrastructure Initiative ruft zu mehr Beteiligung auf

Most of these articles also appeared in Magazines of the Medialinx (former Linux New Media) in Brazil. In addition, I was listed as one of the international editors in the Brazilian Admin Magazine (“07 Storage”, http://www.scribd.com/doc/213290911/Admin-07-Storage).

The Joomla Hacking Compendium
Published in the Internet in 2010-12 and in Hacker5 April/2013 (India)
Author: Valentin höbel
Notes: Article about the (in)security of Joomla (extensions)
You can view more information here.