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23%
News for Admins
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
 
Tube. NVIDIA Announces Spectrum-XGS Ethernet NVIDIA has announced Spectrum-XGS Ethernet technology for connecting distributed data centers. Spectrum-XGS Ethernet is fully integrated into the Spectrum-X
23%
Tuning SSD RAID for optimal performance
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © ELEN, Fotolia.com
with 20 percent overprovisioning, the potential write IOPS performance increases from 12,000 IOPS to 33,000 IOPS; at 40 percent, this is even 47,000 IOPS. For read-only access, the performance remains
23%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
: Asymmetrical routing can be relatively easily avoided with namespaces. In practice, virtual veth<x> network devices are fairly typical for network namespaces. Whereas a physical device can only exist
23%
Single sign-on with SSSD, LDAP, and Kerberos
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Anja Kaiser; Fotolia
Directory ) MAY ( userPassword $ loginShell $ gecos $ description ) X-ORIGIN 'RFC 2307' ) All required user attributes, like the UID, login name, and primary user group, are listed here after the MUST tag
23%
Red Hat's cloud and virtualization portfolio
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
into Red Hat's cloud stack (Figure 1). After all, CloudForms 1.1, DeltaCloud 1.0, Storage Server 2.0, JBoss Middleware, and Enterprise Virtualization 3.1 form the foundation for the new products
23%
Error-correcting code memory keeps single-bit errors at bay
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Igor Stevanovic, 123RF.com
-related error information and report it. This was initially done outside of the kernel at the beginning of the project, but, starting with kernel 2.6.16 (released March 20, 2006), edac was included
23%
Red Hat Storage Server 2.1
05.03.2014
Home »  Articles  » 
on weekdays costs no less than 9,000 Euros, while the same cluster with 24x7 support is priced at 14,000 Euros. Realistically, however, no one will operate cloud storage with only two nodes; assuming you have
23%
Sort out your SSH configs
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © saniphoto, fotolia.com
; only your explicitly allowed IP addresses present in /etc/hosts.allow can get that far. Another useful precaution is to kick people off the server who have been idle for 20 minutes (i.e., 1,200 seconds
23%
Machine learning and security
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Vlad Kochelaevskiy, 123RF.com
.sin(periods * 2 * np.pi * t) 12 return max(value, 0.0) 13 else: 14 value = np.sin(periods * 2 * np.pi * t) 15 return max(value, 0.0) 16 17 # building the data vector 18 my_data = [] 19 i = 0 20 while
23%
Logger in HPC System Administration
07.07.2025
Home »  Articles  » 
or incorporated into scripts. Introduction to Logger All of the examples in this article are from a rather dated Ubuntu 20.04 system, although logger  works the same way on current distributions. The basic syntax

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