Issue #150 / May 2013

The Proxmox Virtual Environment has developed from an insider's tip to a free VMware ESXi/vSphere clone. We show you how to get started setting up a PVE high-availability cluster.

Putting all virtualization tasks on a separate server saves significant resources on the client. phpVirtualBox makes it possible to create, configure, manage, and use remote VMs in a browser window.

Dynamic resource allocation and migration of virtual machines between hosts mean that VMware environments pose new monitoring challenges. A new version of the free OpenNMS network management tool now includes an option for monitoring VMware-based infrastructures.

KDE SC 4.10 was released six months after KDE 4.9, adding many new features. In the background, work is in full swing for the next generation, KDE Frameworks 5: a KDE based completely on Qt5 and QML.

Spreadsheet scripting with Google Apps Script is made possible by server-side JavaScript.

We'll show you a practical project for monitoring home energy usage with SSH and OpenWrt.

USB sticks and SD cards quickly lose their value, but if a script distributes the data across several such devices, flash memory is still useful as a fast and shockproof backup medium despite limited capacity.