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.

Bash Tips: Autocompletion

Steer around errors and save yourself some typing by adding autocompletion to your Bash scripts.

Book Review: The Linux Command Line

A complete introduction to the shell for novices and masters alike.

Qemu and the Kernel

Debugger

Debugging the kernel of a running operating system has always been tricky, but now the Qemu emulator supports cross-platform kernel and module debugging at the programming language level.

Rescuing Lost Files with TestDisk and PhotoRec

Saved!

TestDisk and its cousin PhotoRec will help you recover the data you thought you’d lost.