74%
21.08.2014
to the OpenNMS network monitoring tool. Combining OCS with OpenNMS means you can automatically monitor the devices in the OCS inventory and even send failure notifications if a device on the network ... If you want to manage large IT environments efficiently, you need automation. In this article, we describe how to transfer information automatically from the OCS network inventory system to the Open ... OpenNMS and OCS ... Integrating OCS information into monitoring with OpenNMS
74%
13.02.2017
records when creating virtual instances, as can be well demonstrated by using the concrete example of OpenStack. The OpenStack component that takes care of the management of DNS entries is called Designate ... 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. ... OpenStack Designate ... Designate provides DNS as a Service in OpenStack
74%
03.12.2015
idea is a well-prepared OpenStack service: The OpenStack component Sahara [2] offers Hadoop as a Service.
The promise is that administrators can click together a complete Hadoop environment quickly ... Apache Hadoop is currently the marketing favorite for Big Data; however, setting up a complete Hadoop environment is not easy. OpenStack Sahara, on the other hand, promises Hadoop at the push ... OpenStack Sahara ... OpenStack Sahara brings Hadoop as a Service
74%
28.06.2011
using Linux-Vserver [1], OpenVZ [2], or Virtuozzo [3].
Benefits
Hypervisor-based virtualization solutions emulate a complete hardware layer for the guest system; ideally any operating system including ... The virtualization technology market is currently concentrating on hypervisor-based systems, but hosting providers often use an alternative technology. Container-based solutions such as Open ... OpenVZ ... Operating system virtualization with OpenVZ
74%
17.06.2017
of the platform.
This article describes some potential attack vectors for VMs running in the OpenStack environment – and how admins can best minimize the dangers.
Identifying Attack Vectors
The most obvious ... Any OpenStack installation that hosts services and VMs for several customers poses a challenge for the security-conscious admin. Hardening the overall system can turn the porous walls into a fortress ... Hardening OpenStack ... Harden your OpenStack configuration
74%
08.10.2015
.
When looking around for a lean and secure alternative, administrators are quickly drawn to OpenSMTPD [1], the mail transfer agent (MTA) from the OpenBSD team. OpenBSD is known for its high security ... The OpenBSD origins of the OpenSMTPD mail transfer agent makes SMTP easier to implement and manage and more secure. ... OpenSMTPD ... OpenSMTPD makes mail server configuration easy
74%
28.06.2011
balancing).
The OpenStack initiative, which was initiated in July 2010 by US hosting service provider Rackspace, NASA, and other partners, is designed to provide provide an IaaS (Infrastructure as Service ... OpenStack brings common virtualization technologies such as KVM, Xen, Hyper-V, and QEMU into the cloud. ... OpenStack ... Getting started with the OpenStack cloud computing framework
74%
21.08.2014
OpenStack release planning is a smooth process, and release manager Thierry Carrez has the reins firmly in hand. The development of OpenStack 2014.1, alias "Icehouse," progressed with very few ... The new OpenStack version "Icehouse" comes with new features and new components, on top of numerous improvements to existing components. ... OpenStack Icehouse ... The new OpenStack version 2014.1 alias "Icehouse"
74%
28.11.2022
Ten years ago, reports of the decline of OpenStack would have been completely unthinkable. For a while at least, many people thought that OpenStack was a miraculous solution for most ... OpenStack is considered the industry standard for building private clouds, but the solution is still far too complex and too difficult to maintain and operate for many applications. What causes Open ... OpenStack Alternatives ... Alternative virtualization solutions when OpenStack is too much
74%
16.05.2013
The second part of this workshop [1] was, admittedly, not much fun – before an OpenStack installation sees the light of day, the admin has about a thousand things to take care of. However ... OpenStack has a number of useful extensions that can help admins protect their cloud against failures. ... OpenStack Extensions ... OpenStack workshop, part 3:Gimmicks, extensions, and high availability
