Issue #197 / Apr 2017

DVD: Parsix GNU/ Linux (64-bit, Live) and Debian 8.7 Jessie (32-bit, Install)

Article Code

Approximate on sale dates:

  • UK/Europe: Mar 04
  • USA/Canada: Mar 31
  • Australia: May 01


This month we show you why the X11 system that is the basis for Linux graphics might not be around much longer – and we explore a pair of alternatives that might replace it: Wayland and Mir.

Other highlights:

• Web Traffic Tools – Use these free apps to optimize your search rank – without the privacy complications of working with Google (page 34).
• SSH Tricks – SSH is much more than a secure Telnet alternative (page 44).

Also, lots more at Linux Voice (page 65), including a look at process tracing, a study of some alternative free operating systems, and a tutorial on tiling window managers.

SERVICE: Welcome


PayPal cofounder and rocket maker Elon Musk keeps getting himself into the news. Sometimes he gets notice for his new products and projects, but he is also famous as a kind of self-appointed spokesman for the techno-future.

SERVICE: This Month's DVD

Parsix GNU/Linux (64-bit, Live) and Debian 8.7 Jessie (32-bit, Install)


Updates on technologies, trends, and tools

NEWS: Kernel News

Chronicler Zack Brown reports on the latest news, views, dilemmas, and developments within the Linux kernel community.

NEWS: Interview – Wim Coekaerts

Microsoft's former open source VP Wim Coekaerts

Former Microsoft open source VP Wim Coekaerts.

: Wayland and Mir

The new display servers

The X Window System, which dates to the 1980s, still forms the basis of Linux's graphical user interface, but it does cause some despair among developers with its legacy ballast and outmoded technology. Wayland and Mir are two promising candidates for the changing of the guard.

REVIEWS: digiKam 5

New features in digiKam 5

The freshly released digiKam 5 boasts a number of new features, brings many improvements, and ditches some legacy ballast.

REVIEWS: Web Analytics Tools

Traffic analysis tools for websites

If you are looking for an alternative to Google Analytics for studying website data, you can choose from a few free alternatives. In this article, we look at Piwik, Open Web Analytics, and eAnalytics.

: Qt Apps

Create mobile apps with Qt Creator

Find out how to create a cross-platform app with the veteran tool Qt Creator.

NEWS: SSH – Tips and Tricks

Improve the way you work with Secure Shell

Many Linux users employ Secure Shell to log in remotely and work as if on a local machine. But SSH can do even more – the application will send commands, route other TCP connections through an encrypted tunnel, and provide multiplexing support.

SYSADMIN: Charly's Column – Airsensor

The sys admin's daily grind – Airsensor

If the air in a room smells stale, somebody will get up and open the window to let in some fresh air. Charly, however, wanted to measure its exact staleness, so he set off to find out armed with USB hardware and Linux.

LINUXUSER: Command Line – bluetoothctl

Configuring Bluetooth devices with bluetoothctl

The bluetoothctl command will keep your Bluetooth devices talking to Linux.

PROGRAMMING: Data Visualization in Python

Python graphics libraries for data visualization

Python's powerful Matplotlib, Bokeh, PyQtGraph, and Pandas libraries lend programmers a helping hand when visualizing complex data and their relationships.

PROGRAMMING: Programming Snapshot – AWS

Set up Amazon Web Services – Part 2

DIY Python scripts run in container environments on Amazon's Lambda service – this snapshot example deploys an AI program for motion analysis in video surveillance recordings.

LINUX VOICE: Introduction


This month in Linux Voice.


The Linux Voice view on what's going on in the world of Free Software.

The state of copyleft in an age of permissiveness.

LINUX VOICE: Celebrating Free Software

Even outsiders feel the benefits.

LINUX VOICE: The world of alternative OSs

We all love Linux, but there are many other free software operating systems out there that are worth exploring.

LINUX VOICE: Doghouse – Project Cauã

Changing Focus

"maddog" provides an update on Project Cauã, with new focus on helping university students and small businesses.

LINUX VOICE: FAQ – Linux 3D Graphics Library


Peek below the shiny interface of your machine and you'll probably find Mesa in the engine room.

LINUX VOICE: Core Technologies

Process Tracing

Ever wondered what processes are currently doing on your system? Linux has a capable mechanism to answer your questions.


Graham searches for the best new free software

Calligra 3.0, SystemdGenie, Kaku 1.8.5, Alacritty 0.1, Standard Notes, Handbrake 1.0, Synfig Studio 1.2.0, Iridium, KeepPassXC 2.1.0, Voxeliens, and Wine 2.1.

LINUX VOICE: Tutorials – tinc

Lock Down Your Network with Tinc

Block attackers from all your machines with a virtual mesh network.

LINUX VOICE: Tutorials – WM Tiling

Master Your Desktop Be a Window Wizard

Regular window managers are so 2016 – install a tiling WM and work faster, smarter, and cooler.

Issue 197/2017

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