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12%
Live migration of virtual machines
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Michael Edward, 123RF.com
are necessary. VM live migration is easier to set up on a distributed replicated block device (DRBD) cluster basis. DRBD basically provides the option of using an existing resource in dual primary mode [2
12%
Alternatives to Google Analytics
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Vasilii Shestakov, 123RF.com
account. When you log in, you are providing a concentrated bundle of information. Often, users don't bother to log out of their Google accounts so that all searches carried out in Google are linked
12%
Deploying OpenStack in the cloud and the data center
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © johnjohnson, 123RF.com
interface. On top of this, the MAAS server runs a DHCP daemon that provides all computers with IP addresses. On request, MAAS will also configure the system's out-of-band interfaces and initiate
12%
Automating network hardware
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Lead Image © Rajesh Rajendran Nair, 123RF.com
of switching to a different provider. In a nutshell, Cisco ACI is a dream from the vendor's point of view, for one reason, because it extends vendor lock-in right down to the software level and, for another
12%
Processor and Memory Metrics
12.02.2014
Home »  HPC  »  Articles  » 
their output. If that isn’t possible, I look for other tools that can provide the metrics I want. If that fails, I resort to writing my own code. However, in some cases, I write code because I will better
12%
Comparing Ceph and GlusterFS
21.04.2015
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © agencyby, 123RF.com
. On the other hand, US-based InkTank and the Linux veteran Red Hat have been providing concrete contributions to the subject of Big Data for some time. Specifically, this means the Ceph [1] object store
12%
PostgreSQL 9.3
04.02.2014
Home »  Articles  » 
 
, for example, in version 9.2 of PostgreSQL. In this case, pg_dump cannot provide synchronized snapshots; thus, no changes should be permitted to the databases for the duration of the dump to avoid
12%
Exploring Ubuntu cloud tools
28.06.2011
Home »  CloudAge  »  Articles  » 
 
Figure 1: Seach on "eucalyptus" in Synaptic. Although the additional packages here are not necessary for a basic installation, the eucalyptus-walrus and eucalyptus-sc packages provide Amazon S3-like
12%
Desktop Supercomputers: Past, Present, and Future
17.03.2021
Home »  HPC  »  Articles  » 
, or 5600 processors with two, four, or six cores. As with the previous systems, you could plug it into normal home or office outlets. It was designed to use a 20A circuit that provided up to 1,920W
12%
Analyzing Logs
03.11.2022
Home »  HPC  »  Articles  » 
entries that have been defined as “uninteresting.” Commonly, these entries are typical of a system that is operating normally and don’t provide any useful information (however “useful” is defined). The idea

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