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13%
Let the hardware do the heavy lifting
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Victor Freitas on Unsplash
TLS delivered 70Gbps with greater than 90% CPU usage. The inline encryption and decryption on both ends of the session reduced overall packet latency and saved valuable CPU cycles, thereby increasing
13%
Automate your VMware configuration with Puppet
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © astragal, 123RF.com
a public key with hash 31452e1f896 f71542b6b9198188de1b5e59f5af62ffcefdc261df324636c90c7 but we're expecting a hash of XXX. If you are sure the remote system is authentic set
13%
Flexible backup for large-scale environments
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Photo by Nils Bouillard on Unsplash
to three collections of hard drives (just a bunch of disks, JBODs). Each array comprises 90 SAS2 disks connected by several controllers, each with a capacity of 12TB. ZFS ensures the required filesystem
13%
pdsh Parallel Shell
08.07.2018
Home »  HPC  »  Articles  » 
read the hosts from a file other than the WCOLL environment variable: $ pdsh -w ^/tmp/hosts uptime 192.168.1.4:  15:51:39 up  8:35, 12 users,  load average: 0.64, 0.38, 0.20 192.168.1.250:  15:47:53 up
13%
Tips and Tricks for Containers
12.05.2020
Home »  HPC  »  Articles  » 
. done. Processing triggers for install-info (6.5.0.dfsg.1-2) ... Processing triggers for libgdk-pixbuf2.0-0:amd64 (2.36.11-2) ... Now, I'll make sure Octave is installed: root@c31656cbd380:/# octave
13%
From debugging to exploiting
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Maksim Kabou, 123RF.com
. This partial protection can be enabled during compilation using the -Wl,-z,relro flags. Ancient Code and Arrays Scientists tend to code in the Fortran 77, Fortran 90, or C languages and compile and run on grid
13%
Small-board computers
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Author, 123RF.com
], to robotics [10], to underwater ROVs [11], and yes, even clusters [12]. The appeal of the Rasp Pi is that it is cheap, uses almost no power, is easy to program, and is really small. Wonderful World of SBCs
13%
SDS configuration and performance
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Jakub Jirsak, 123RF.com
more quickly at 391 and 386KBps than Gluster at 12KBps and Lizard at 19KBps (Figure 2). However, the client's CPU load for the two Ceph candidates was well over 90 percent, whereas Bonnie only measured
13%
A Container for HPC
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © orson, 123RF.com
Scientific Computing Center (NERSC) [11]. Shifter is a prototype implementation of a container system for HPC that converts images from Docker, VMs, or CHOS [12] (a utility that creates a Scientific Linux
13%
Sustainable Kubernetes with Project Kepler
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Hassan Pasha on Unsplash
represents hundreds of terawatt hours and, potentially, 90 million tons of CO2 released into the atmosphere [1]. Although data center efficiency and sustainability have advanced in leaps and bounds over

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