Features

Salt and Pepper

Hashes, salt, and pepper

Dec 01, 2015

Cryptographic hash functions help you protect your passwords, but hashing is only secure if properly understood.

On the Canvas

The latest ad tracking tricks and what to do about them

Dec 01, 2015

We'll tell you about some powerful new ad tracking techniques and how you can stop them.

Open Emu

QEMU 2 as a versatile virtualization platform

Dec 01, 2015

The new version of QEMU is a free virtualization solution that offers excellent stability and flexibility. We show how to deploy QEMU 2 in a Live environment.

Getting Parallel

Creating parallel applications with the Julia programming language

Dec 01, 2015

Parallel processing is indispensable today – particularly in the field of natural sciences and engineering. Normal desktop users, however, can also benefit from higher performance through parallel execution with at least four calculation cores.

Members Only

Manage membership data through your website with Admidio

Dec 14, 2015

Admidio manages membership data online no matter what the platform and also manages event dates, times, and participants elegantly.

Sparklines

Conditional formatting in LibreOffice spreadsheets

Dec 14, 2015

Integrate graphical information alongside the data it represents with conditional formatting and sparklines.

Skillfully Packaged

Migrating Debian and Ubuntu packages to systemd

Jan 26, 2016

You might need to tweak your Debian or Ubuntu packages to get them to work with systemd.

United

Use mhddfs to group hard disks and directories

Dec 14, 2015

The multi-hard drive disk filesystem (mhddfs) combines directories or hard disks on a union filesystem to create a single, large, virtual filesystem that you can use both locally and via Samba or NFS.

Better Finds

Fuzzy text searches with agrep

Jan 26, 2016

The agrep tool expands on grep by adding fuzzy search capabilities to text string-matching operations.

New Voice

Surprises in SQL – State-of-the-art options in the standard query language

Dec 14, 2015

In recent times, many developers have come to view SQL as inflexible and limited, but this classical database language has some tricks and special features that many users don't know about.

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