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25%
Realistic Ceph Performance Tuning Measures
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Brenton Pearce on Unsplash
in this case by carrying out sequential writes with default settings. The block size is then 4MB and the queue depth 16 (Figure 1). Figure 1: False positives
25%
HPC resource monitoring for users
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © Andrey_Russinkovskiy, 123RF.com
the letter P was missing in PREFIX .) If you use multiple versions of MPI, you need to build Remora for each version. If you are using environment modules (e.g., Lmod [6]), you can easily write
25%
Set up subdomains with Apache and Nginx
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © Saniphoto, Fotolia.com
) and Apache (with VirtualHost blocks). The starting point will be a freshly installed Debian 10.6 "Stable," on which I configure virtual hosts for the imaginary domains www.example1.de and www.example2.de
25%
Container IDE with cloud connection
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Photo by Christin Hume on Unsplash
Source, Personal, and Unlimited. The first variant costs nothing; however, it can only be used in combination with public repositories. Moreover, Gitpod limits the up time of the Docker containers to 100
25%
Debian's quest for reproducible builds
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Author, 123RF.com
: One of the Debian developers for reproducible builds, Holger Levsen, said in a recent lecture [6] that at present only zero percent of Debian could realistically be built reproducibly. Thus far
25%
Identify malicious traffic with Maltrail
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Lead Image © Andrea De Martin, 123RF.com
if 100 percent protection remains an illusion, organizations need to be proactive in the face of an increasingly stressful security landscape. Maltrail is a free tool that can be a useful addition in your
25%
Virtual switching with Open vSwitch
30.11.2025
Home »  CloudAge  »  Articles  » 
rustycarr, 123RF
-devel, or something similar. After the build, you should check the installation and launch the software for the first time. To do so, you can load the kernel module manually: modprobe datapath/linux-2.6/openvswitch
25%
Manage your servers with System Center Essentials
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Kheng Ho Toh, 123RF.com
on the computer, and the computer's current load (Figure 6). Figure 6: SCE showing errors on servers in a centralized interface. Of course, you can use
25%
Hardware suitable for cloud environments
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © Orlando Rosu, 123RF.com
. Additionally, you need a 2U server for about $6,500 (EUR6,000). Roughly calculated, a Ceph server like this would cost about $13K (EUR10K), with an entire cluster for around $100K (EUR80K). The same cluster
25%
Hardware MFA: Death to the password!
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © alphaspirit, 123RF.com
now easily and securely access your AWS resources with MFA enabled. Gemalto offers two supported devices. The Ezio Time-based 6-Digit Token

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