SpringSource Releases New Tool Suites

Codethink Releases Baserock 1.1

PostgreSQL 9.2 Released

ROSA Announces Enterprise Distribution

Amahi Releases Ubuntu Edition

New Version of UndoDB Released

Black Duck Announces Code Quality Audit

digiKam Releases Version 2.7

Creating secure websites with their own privileges on a single server.

Nesting of hypervisors, known as a nested virtualization, makes it possible to set up a complete virtualization scenario with a data center, storage, and high-availability functions on a laptop. In this article, we show you how, with Linux iSCSI and free VMware trial versions.

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

To check on the health of a Linux system, administrators can turn to vmstat, iostat, netstat, and ifstat. Or, you can just use the versatile dstat, which combines the features of several tools in a single package.

Logfiles contain records of what happens on a Linux system and the services it runs. Tools like Logcheck and Logsurfer filter out the most important events for the administrator, and they can even trigger an appropriate reaction automatically.

When a cluster node fails, the Pacemaker high-availability tool launches the services on another node. A lesser known feature is Pacemaker’s ability to put failed services back on their feet in the cluster manager.