Articles

Lead Image © Barna Tanko, 123RF.com

Lead Image © Barna Tanko, 123RF.com

Handy Windows tools for sniffing network traffic

You don't need expensive software to study the traffic on your network. We look at some handy sniffers for Windows environments, including SmartSniff, SniffPass, Open Visual Traceroute, and Microsoft Message Analyzer.
Lead Image © Dmitriy Sladkov, 123RF.com

Lead Image © Dmitriy Sladkov, 123RF.com

Shell practice: Introduction to the sed stream editor

With sed, you can edit text data without an interactive user interface, using pipes or input redirection. Sed lets you execute extensive editing commands on a single line.
Lead Image © Federico Caputo, 123RF.com

Lead Image © Federico Caputo, 123RF.com

Virtual environments in Windows Server

Along with the preview for Windows 10, Microsoft has released a technical preview of the upcoming Windows Server. The focus is on functions for complex environments. Microsoft has introduced some new features, especially in the area of virtualization.
Lead Image © Alexandr Marinenko, 123RF.com

Lead Image © Alexandr Marinenko, 123RF.com

Server administration using Cockpit

Cockpit makes it easy to manage Linux servers: Four mouse clicks in the browser restart the crashed web server, and four more interconnect the server's network interfaces. Pilots flying in this cockpit, though, have to cope with a few limitations.
Lead Image © Wavebreak Media Ltd, 123RF.com

Lead Image © Wavebreak Media Ltd, 123RF.com

Automation with Ansible

Ansible offers automatic provisioning and configuration capabilities similar to that of Chef and Puppet, but it's aimed more at admins than developers.
Lead Image © Spectral, Fotolia.com

Lead Image © Spectral, Fotolia.com

Creating a redundant array of inexpensive links

The Fault Tolerant Router daemon uses multipath routing among multiple Internet connections to keep you connected, even when some connections go down.
Lead Image © foottoo, 123RF.com

Lead Image © foottoo, 123RF.com

IPv6 security on IPv4-only networks

Even though corporations are looking to move to IPv6, in some situations networks still rely exclusively on IPv4. We discuss ways to minimize delays and unsatisfactory behavior in mixed IPv4/IPv6 IT environments.
Lead Image © Author, 123RF.com

Lead Image © Author, 123RF.com

OpenStack Kilo release

The OpenStack project has released the latest version of its software, code-named Kilo. We take a closer look.
Lead Image © Ignard ten Have, 123RF.com

Lead Image © Ignard ten Have, 123RF.com

Ticket Management with osTicket

osTicket is a lean ticket system that limits itself to the core functions of receiving and processing requests.
Lead Image © alphaspirit, 123RF.com

Lead Image © alphaspirit, 123RF.com

Moving Data Between Virtual Machines

Network information in virtualized computer landscapes is not easy to access. In this article, we look at a few approaches you can use.