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19%
Password management with FreeIPA
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Marqs, photocase.com
UhJdmRCS3ZDbVRGVm1SeTdwVFlqbGxLVVNNYWpxSVNUdEFMRUxDclVySHZCSmJ6YzVqZmdUSVJYbVF nClhyV21UZXMzRHJqbFJjN2Q5MnpnZXJtUEtnbVRiMWxUL1pyVDhlQzB5Q0paSnNaSmJDOTVkVXRmK zNXZEFOY28KYXdJREFRQUIKLS0tLS1FTk
19%
Comparing Ceph and GlusterFS
21.04.2015
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © agencyby, 123RF.com
mounts and store data directly on GlusterFS. For this, the emulator and virtualizer must at least be version 1.3: # ldd /usr/bin/qemu-system-x86_64\ |grep libgfapi libgfapi.so.0 => \ /lib64/libgfapi
19%
Detect failures and ensure high availability
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Tim Foster on Unsplash
a secondary (local) drive with the exact same capacity on each, /dev/sdb: $ cat /proc/partitions|grep sd 8 0 10485760 sda 8 1 1024 sda1 8 2 1835008 sda2 8 3
19%
Modern Fortran for today and tomorrow
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © homestudio, 123RF.com
integer :: allocate_status 08 ! 09 n = 10 10 allocate( array(n, n), stat = allocate_status ) 11 if (allocate_status /= 0) stop "Could not allocate array" 12 ! 13 subarray => array(3:7,3:7) 14
19%
Using the MQTT IoT protocol for unusual but useful purposes
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Heiko Küverling, 123RF.com
is over and done with as soon as the message is delivered. MQTT enables a decoupled 1-to-n or 1-to-1 relationship between different devices or programs that do not specifically need to know each other
19%
Nmon: All-Purpose Admin Tool
17.12.2014
Home »  HPC  »  Articles  » 
the FT benchmark (discrete 3D fast Fourier Transform, all-to-all communication) from the NAS Parallel Benchmark OMP set version 3.2 across all of the cores on my four-core desktop system
19%
Kibana Meets Kubernetes
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © wbraga, 123RF.com
kr 1/1 Running 0 11m $ kubectl get nodes NAME STATUS ROLES AGE VERSION echo Ready master 20m v1.17.3+k3s1 The machine's hostname for the K3s
19%
Parallel Programming with OpenMP
21.11.2012
Home »  HPC  »  Articles  » 
directions) 085 086 ALLOCATE ( unew(1:m,1:m), u(1:m,1:m) ) ! mem for unew, u 087 088 ! 089 ! Boundary Conditions 090 ! =================== 091 ! 092 pi = DACOS(0.0d0) 093 094 ! Top of unit square: (N) 095
19%
Tuning loops – from loop unrolling to Duff's device
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
[i] + b[i]; } When the number of cycles is known at compile time, a loop can be fully unrolled: c[0] = a[0] + b[0]; c[1] = a[1] + b[1]; c[2] = a[2] + b[2]; c[3] = a[3] + b[3]; However, it remains
19%
Parallel and Encrypted Compression
09.12.2021
Home »  HPC  »  Articles  » 
# , where #  is the number of threads and a space falls between it and the switch (Listing 3). Listing 3: lbzip2 $ lbzip2 -v -n 4 package-list.txt lbzip2: compressing

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