Articles

Lead Image © Igor Stevanovic, 123RF.com

Lead Image © Igor Stevanovic, 123RF.com

Digital signatures in package management

Serious distributions try to protect their repositories cryptographically against tampering and transmission errors. Arch Linux, Debian, Fedora, openSUSE, and Ubuntu all take different, complex, but conceptually similar approaches.
Lead Image © 36clicks, 123RF.com

Lead Image © 36clicks, 123RF.com

Installing .NET on Linux

By the time the annual 2016 Red Hat Summit was held at the end of June in San Francisco, the previously announced support for .NET applications on Red Hat Enterprise Linux had been implemented. We take a closer look at the implementation and how admins can create a .NET environment under Linux.
Lead Image © bowie15, 123RF.com

Lead Image © bowie15, 123RF.com

Features of PowerShell loops

Optimize your PowerShell scripts with loops when automating tasks that are repeated regularly and frequently.
Lead Image © Chalong Tawan, 123RF.com

Lead Image © Chalong Tawan, 123RF.com

Microsegmentation in the data center

Microsegmentation promises substantial improvements over classic architectures for the protection of applications and increased security when building out the efficiency of a data center.
Lead Image © Fernando Gregory, 123RF.com

Lead Image © Fernando Gregory, 123RF.com

Resolving problems with DNS, Active Directory, and Group Policy

Upgrading domain controllers or installing new servers can cause problems with name resolution, Active Directory replication, and Group Policy. A coordinated approach can isolate these errors in Windows Server 2008 or newer.

An exclusive interview with openSUSE Chairman Richard Brown

Over the course of three days of SUSECON, we talked to Richard Brown, the friendly chairperson of the openSUSE Board.
Lead Image © Gabriele Maccaroni, 123RF.com

Lead Image © Gabriele Maccaroni, 123RF.com

Designate provides DNS as a Service in OpenStack

The management of DNS entries works fundamentally differently for clouds than for classic setups; OpenStack Designate is a meaningful and well-functioning DNS as a Service implementation.
Lead Image © Sergey Nivens, 123RF.com

Lead Image © Sergey Nivens, 123RF.com

Putting an Active Directory domain controller in the Azure cloud

Once you start putting services in Azure cloud, you might want to add an Active Directory domain controller.
Lead Image © Maxim Kazmin, 123RF.com

Lead Image © Maxim Kazmin, 123RF.com

Segmenting networks with VLANs

Network virtualization takes very different approaches at the software and hardware levels to divide or group network resources into logical units independent of the physical layer. It is typically a matter of implementing secure strategies. We show the technical underpinnings of VLANs.
Lead Image © Jakub Jirsak, 123RF.com

Lead Image © Jakub Jirsak, 123RF.com

SDS configuration and performance

Software-defined storage promises centrally managed, heterogeneous storage with built-in redundancy. We examine how complicated it is to set up the necessary distributed filesystems. A benchmark shows which operations each system is best at tackling.
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