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24%
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
24%
Tuning SSD RAID for optimal performance
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © ELEN, Fotolia.com
. The performance software used in our lab was TKperf on Ubuntu 14.04. TKperf implements the SNIA PTS with the use of FIO. Since version 2.0, it automatically creates Linux software RAID (SWR) arrays using mdadm
24%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
_seq=2 ttl=51 time=20.1 ms Namespace Discussion Virtual Ethernet devices are the means through which resources from different namespaces communicate with one another. They always come in pairs
24%
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
24%
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
24%
Red Hat Storage Server 2.1
05.03.2014
Home »  Articles  » 
If you believe Red Hat’s marketing hype, the company has no less than revolutionized data storage with version 2.1 of its Storage Server. The facts tell a rather different story. ... marketing documents claim that RHSS 2.1 “can generate up to 52 percent in storage system savings and an additional 20 percent in operational savings.” These figures clearly represent a comparison ... If you believe Red Hat’s marketing hype, the company has no less than revolutionized data storage with version 2.1 of its Storage Server. The facts tell a rather different story. ... Red Hat Storage Server 2.1
24%
Sort out your SSH configs
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © saniphoto, fotolia.com
see the lines shown in Listing 2 indicating that the reload was a success and completed without errors. Listing 2 /var/log/auth.log Aug 19 18:10:43 localhost sshd[3328]: Received SIGHUP
24%
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
24%
Logger in HPC System Administration
07.07.2025
Home »  Articles  » 
that is N days old. The oldest file for User X is NN days. I could add a tag to the message (e.g., file_walking ) so that when I parse the system log, I could search
24%
Convert Linux shell commands into PowerShell cmdlets
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Larisa Birta on Unsplash
Hub repository [2] if you need to upgrade. At the time of writing, this was the PowerShell-7.1.4-win-x64.msi file, which let me install and start PowerShell 7. If you want to distinguish between different Power

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