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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%
Securing email communication with GnuPG
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Amol Tyagi on Unsplash_Key.jpg
) provides a simple and secure way to make public keys for email addresses available over HTTPS. The underlying standard was first implemented in GnuPG version 2.1.12 and has been enabled by default since
12%
Red Hat Ansible Automation Platform
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Dmitry Sunagatov, Fotolia.com
on demand, also scales seamlessly. Conveniently, after rolling out AAP, you only need to worry about some of these details. As long as you provide enough systems for AAP, it takes care of its own scalability
12%
Creating RAID systems with Raider
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
©Slawomir Kruz, 123RF.com
little sense because, if the disk fails, both "disks" in your RAID are goners. However, you can create multiple partitions on a hard disk and assign them to different RAID arrays. I'll provide an example
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

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