Linux Voice [UK], Issue 27 (June 2016)

Linux Voice [UK], Issue 27 (June 2016)

Language: English

Pages: 100

ISBN: 2:00358860

Format: PDF / Kindle (mobi) / ePub

About Linux Voice

Linux Voice is an independent GNU/Linux and Free Software magazine from the most experienced journalists in the business.

About this issue

Ubuntu's back with Xenial Xerus (aka 16.04), the latest Long Term Support release. Find out how the new features could make your life easier in our in-depth guide.
Plus: We visit the biggest tech trade fair in the world, discover what's going on with Microsoft and Linux, review the Microbit from the BBC and get to know the new browser technology from Mozilla. In the legendary Linux Voice tutorials section, you can learn to play music through MineCraft, share videos without YouTube, program in Rust and much more.

Pentaho Data Integration Cookbook (2nd Edition)

Content is Currency: Developing Powerful Content for Web and Mobile

Python 2.1 Bible

Sed & awk (2nd Edition)

Windows Server 2008 Networking and Network Access Protection (NAP)

Essential Mobile Interaction Design: Perfecting Interface Design in Mobile Apps











hold, transfer them, and can also record them. Again this feature is available for SIP and XMPP networks depending on whether the service being used supports the feature. One of the best features of the client is its ability to make registrar-less SIP calls to other Jitsi users on the local network. Jitsi also has some of the best security features. Not only does it store your login details in an encrypted warehouse, it can also authenticate the identity of a contact via their unique fingerprint.

using a variety of commands to retrieve basic system information, whether we’re trying to work out which version of Ubuntu we’re using, the type of kernel running, or how much RAM there is on the system. There are lots of tools that provide this information, especially from the GUI, but it’s more common for us to need these facilities from the command line, where we can probe the status of a machine remotely. Neofetch is one of the nicest of these commands we’ve found, providing all the

Laboratory. Sam is a gifted coder and musician who regularly plays to audiences across the world. Sam teamed up with the Raspberry Pi Foundation’s Education Pioneer, Carrie Anne Philbin, to produce an application that was easy enough for children with no coding experience to use, while remaining flexible for professional musicians to use. Sam’s knowledge of code and music enabled him to add features that benefited all users. One area that is particularly hard for children to grasp is indentation,

run to run the program. Of course, we can specify any additional files as We have a number of use statements at the top of the program – where we import different modules and types command line arguments. For example, the following will execute the who program, print the output to the standard output and to the file /tmp/who.output: $ who | cargo run /tmp/who.output loop { match io::stdin().read_line(&mut line) { Ok(n) => { // Have we read all the lines, if yes, break if n == 0 { break; } //

To emulate this behaviour, you can echo in a function and grab its standard output with command substitution, like this: say_hi() { echo hi; } if [ "$(say_hi)" != "hi" ]; then # oh, really? fi Bash scripts aren't solely about the command line – you can make dialog-based interfaces as well. difference? First, [[ ... ]] is not portable – there are shells that don't understand it. Second, it's not a command. It has its own parse context, so you don't have to quote arguments anymore. Third,

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