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24%
Fixing Ceph performance problems
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Kritiya Sumpun, 123RF.com
. Only when the object has arrived in the journals of as many OSDs as the value size specifies (3 out of the box) is the acknowledgement for the write sent to the client, and only then is the write
24%
Harden your OpenStack configuration
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © zelfit, 123RF.com
on the disk. Manual changes to the nodes in the cloud are automatically prohibited, because they are not easily reproducible (Figure 3). Replaceable systems – To make it easier to remove and reinstall
24%
Migrating your network to IPv6
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Jarts, PHOTOCASE.com
introduce IPv6 gradually and systematically. Three rollout alternatives that have proved useful are core-to-edge, edge-to-core, and IPv6 islands. The core-to-edge approach (Figure 3) involves first migrating
24%
Synchronizing repository changes with GitOps
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
, for example, an Amazon Simple Storage Service (S3) bucket: If you accidentally delete it, you can recreate it later when you discover your mistake (provided someone else hasn't used that particular bucket name
24%
VMware vRealize Automation 7
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © Dmitriy Shpilko, 123RF.com
appliances including load balancers, two further Windows clusters need to be managed. First, there is the Model Manager Cluster, which is responsible for storing the Infrastructure as a Service (IaaS) data
24%
Mobile hacking tool
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Photo by Valentina Curini on Unsplash
also acts as a USB-to-UART/SPI/I2C adapter and supports Bluetooth spamming. This low-energy denial-of-service (DoS) attack can be used to crash iPhones and iPads in particular. Devices with iOS 17
24%
ZFS on Linux helps if the ZFS FUSE service refuses to work
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © Luis Louro, 123RF.com
in the form of a master boot record (MBR) or a GUID partition table (GPT) [3]. The tricks the expert used to revive RAID systems (Figure  1) did not help: Neither fdisk nor mmls – the forensic counterpart from
24%
Administering virtual machines with PowerShell Direct
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © liu liming, 123RF.com
protocol, attached to HTTP(S), accepts requests on defined ports via a listener. The guest and host are thus confined to communicating through some form of virtual networking. Another option for VM
24%
News for Admins
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
 
Stack experience." "What makes Sunbeam unique is its K8s-native architecture," the announcement says (https://ubuntu.com/blog/canonical-extends-commercial-openstack
24%
EGroupware, Group Office, and Kopano compared
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © 36clicks, 123RF.com
-consuming installation and configuration of groupware on a local server with additional services to match is no longer necessary. Software as a Service (SaaS) solutions are usually offered by groupware providers

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