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18%
The fine art of allocating memory
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
main(int argc, char *argv[]) 06 { 07 char *newblock = NULL; 08 09 for (int allocation = 0; newblock = (void *) malloc(1024 * 1024); allocation++) 10 { 11 //for (int i=0; i < (1024 * 1024
18%
Keeping PowerShell in the loop
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Michael Mihin, 123RF.com
patience and light scripting skills. PowerShell versions 1.0 and 2.0 have a somewhat limited ability to grab information from remote systems singly or in bulk. Therefore, you have to work around those
18%
Documenting PowerShell Modules
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Photo by Nicolas Ladino Silva on Unsplash
loading the required modules, you need to start generating the data: $helpParams = @{ ModuleInfo = Get-Module ITATest OutputFolder = '.' HelpVersion = '1.0.0.0' WithModulePage = $true } New
18%
Better Active Directory with Windows Server 2012
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Sattapapan Tratong, 123RF.com
virtualization of domain controllers. And, making snapshots of domain controllers is no longer a problem either (see the article on Hyper-V 3.0 in this issue). VMware and other virtualization vendors likely
18%
The RADOS object store and Ceph filesystem
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Brigida Soriano, Fotolia.com
addr = 10.42.0.101:6789 14 [mon.b] 15 host = bob 16 mon addr = 10.42.0.102:6789 17 [mon.c] 18 host = charlie 19 mon addr = 10.42.0.103:6789 20 [osd.0] 21 host = alice 22 [osd.1] 23 host
18%
Taming the HPC Software Stack Fragmentation Problem
21.07.2026
Home »  Articles  » 
 
to recognize that interfaces between these layers are not always stable. An MPI binary compiled against OpenMPI 4.1 might fail silently or catastrophically when run against OpenMPI 5.0 at runtime. A Python
18%
Linux filesystem performance tested
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© nyul, 123rf.com
appliance (see the "Test Hardware" box) with eight fast disks in a RAID level 0 array with a stripe size of 64KB. The RAID is divided into an SSD array and an HDD array with identical partitions on both
18%
RAM revealed
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© KrishnaKumar Sivaraman, 123RF.com
. All told, these measures reduce the energy requirements per gigabyte of RAM from just under 7 watts for ECC DDR2 FB-DIMMs to a current figure of 0.54 watts for ECC DDR3 Registered DIMMs (Table 2
18%
Tested: Autoconfiguring IPv6 clients
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Benis Arapovic, 123RF.com
a DNS server, it uses three standard addresses as its name servers: fec0::1, fec0::2 and fec0::3. The prefix fec0 was originally the counterpart to the RFC 1918 addresses but has been deprecated. If you
18%
Using Univention Corporate Server 2.4 for virtual infrastructure management
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Martin B, Pixelio.de
of the commercial UCS variants for software makers and integrators. UVMM The current "Free for Personal Use" ISO of UCS 2.4 [4], ucs_2.4-0-100829-dvd-amd64.iso, isn't quite up to date. The Univention Virtual

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