Intrusion Detection with fail2ban

For its size, fail2ban, a utility that scans logfiles and bans suspicious IP addresses, punches well above its weight.

Getting Started with Analytics

Data Analytics for the Newbie

The huge emphasis on data and data analytics in the business world and the IT job market might have you thinking about brushing up on your database skills. And what better platform than Linux to obtain powerful and free tools to flex and train your data muscles?

Tethering

Using the mobile Internet

Thanks to the modems built into today’s smartphones and tablets, you can use fast mobile Internet from almost anywhere. The mobile devices can also get your laptop online.

Calligra: The Other Office Suite Narrows the Gap

On April 11, Calligra Suite announced its first release, version 2.4. This release takes Calligra several steps closer to being an alternative to LibreOffice, especially in its graphical applications.

Bash Tips: Debugging and Configuration

Even tried and trusted configurations that have proved their value through the years can be tripped up by special cases – for example, all of your users logging in with the same IP address. Experienced administrators and Bash aficionados will then enable debugging and launch a systematic search for configuration errors.

Protect your Documents with GPG

GPG

You may have already tried PGP/GPG public key encryption for documents or mail, but do you know what’s going on under the hood and what level of security you’re actually getting? We take an in-depth look at GnuPG encryption.

NoOps: Divining the Future of the Network

The Rise of the Developer

Mention NoOps and you’re sure to start an argument. But terminology aside, this is a coming trend to which ITs should pay attention.

Bash Tips: Passing Passwords

Bash offers any number of simplifications, especially when it comes to pesky individual steps in installation routines for larger software packages. Some caution is advisable, though, if you need to handle database and application passwords, which can easily be compromised.

Install Your Own Git Server

Git Server

Linus Torvalds’s Git more or less conquered the version management scene overnight. For collaboration in a team, you can easily set up your own Git server to store your repositories. We describe two approaches in this article.

Cloud Storage Behind the Firewall

Bridging the Cloud and BYOD Gap

ownCloud's new commercial venture lets you manage risk and data exposure in a bring-your-own-device age.