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17%
The end of SHA-1
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © destinacigdem, 123RF.com
as "deprecated." Stubborn Despite NIST's recommendation to discontinue SHA-1 and despite the availability of a secure successor in the SHA-2 and, later, the SHA-3 family, SHA-1 continued to be used virtually
17%
Using the ATA security features of modern hard disks and SSDs
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © braverabbit, 123RF.com
Model Number: INTEL SSDSC2CW240A3 Serial Number: XXXXXXXXXXXXXXXXXX Firmware Revision: 400i Transport: Serial, ATA8-AST, SATA 1.0a, SATA II [...] Commands
17%
Finding the fastest SD cards for the Raspberry Pi
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Lead Image © Lucy Baldwin, 123RF.com
Speed class 10 At least 10MBps of read/write speed UHS 1 Ultrahigh speed class 1 At least 10MBps (same as C10) UHS 3 Ultrahigh speed class 3 At least 30
17%
Five Kubernetes alternatives
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © alphaspirit, 123RF.com
feature is missing in Kubernetes. Performance and Stability Both Kubernetes and Docker Swarm claim to scale far beyond the limits of what is usually required. In the case of Kubernetes 1.6, the solution
17%
OpenSMTPD makes mail server configuration easy
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © alphaspirit, 123RF.com
by the following: smtpctl encrypt Email submitted in this way can be identified later and systematically treated using the remote tag. Line 6 specifies that no TLS is required for mail coming from localhost. Open
17%
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
17%
Linux and Windows client management with opsi
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © alexutemov, 123RF.com
process across multiple processors and allows scaling to some 10,000 clients and many sites. Opsi reaches its limits in large installations with more than 3,000 clients across multiple locations
17%
Implement your own MIBs with Python
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
and – at the end – the leaf of the tree. A rather short OID could be .1.3.6.1.2.1.31. There is an analogy to IP addresses here: Because it's difficult to remember an IP address as a series of numbers, the Domain
17%
News for Admins
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
 
AMD64 and ARM64 HTTP Boot support in Debian Installer and Live images for UEFI/U-Boot systems Upgraded software stack: Gnome 48, KDE Plasma 6, Linux kernel 6.12 LTS, GCC 14.2, Python 3
17%
OpenShift by Red Hat continues to evolve
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © ktsdesign, 123RF.com
version. No matter which variant you choose, for OpenShift 3.6 (the latest version when this went to press), an up-to-date Docker from the Docker Extras directory is required on the hosts. Simpler

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