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10%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
is working, boot the compute node and run timedatectl : $ ssh n0001 [laytonjb@n0001 ~]$ timedatectl                Local time: Sat 2022-12-17 11:31:26 EST            Universal time: Sat 2022-12
10%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
timedatectl $ ssh n0001 [laytonjb@n0001 ~]$ timedatectl Local time: Sat 2022-12-17 11:31:26 EST Universal time: Sat 2022-12-17 16:31:26 UTC RTC time: Sat 2022-12
10%
Prepare, analyze, and visualize data with R
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Buchachon Petthanya, 123RF.com
.10e-10 *** monthJuly 211.030 20.849 10.122 < 2e-16 *** monthJune 167.145 22.755 7.345 5.85e-13 *** monthMay 24.528 21.411 1.146 0.2524 monthMarch -10
10%
Desktop Blades (of Glory)
06.05.2024
Home »  HPC  »  Articles  » 
). Figure 4: LattePanda Mu (image credit: DFRobot). The Intel N100 peaks around 22-23W under load, although DFRobot says up to 35W. The Raspberry Pi 5 under load peaks around 12W, so the power draw
10%
Endlessh and tc tarpits slow down attackers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Yewkeo, 123RF.com
. As surely as night follows day, automated attacks will target the default Secure Shell port (TCP port 22), so I will use SSH as the guinea pig test case with the knowledge that I can move the real SSH service
10%
Managing Linux systems with Spacewalk
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © NASA
, $user, $pass) = (split); 17 close(IN); 18 19 my $client = new Frontier::Client(url => "http://$server/rpc/api"); 20 my $session = $client->call('auth.login', $user, $pass); 21 22 return ($client
10%
Preload Trick
11.05.2021
Home »  HPC  »  Articles  » 
TDP 75W Base clock 1,485GHz Boost clock 1,665MHz 896 CUDA cores The laptop runs Ubuntu 20.04 with the 455.45.01 Nvidia driver, and CUDA 11.2. Octave 5.2.0 was used for the tests. All
10%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
ns2 ip addr add 1.1.1.2/10 dev veth2 18 $ ip netns exec ns1 ip link set veth1 up 19 $ ip netns exec ns2 ip link set veth2 up 20 21 $ ip netns exec ns1 ping -c2 1.1.1.2 22 PING 1.1.1.2 (1.1.1.2) 56
10%
Tuning I/O Patterns in C
31.07.2013
Home »  HPC  »  Articles  » 
; 13 struct rec my_record; 14 int counter_limit; 15 FILE *ptr_myfile; 16 17 counter_limit = 100; 18 19 ptr_myfile=fopen("test.bin","wb"); 20 if (!ptr_myfile) 21 { 22
10%
HDF5 and Parallel I/O
17.05.2017
Home »  HPC  »  Articles  » 
, 5 ) / ( 8, 5 ) }       DATA {       (0,0): 0, 1, 2, 3, 4,       (1,0): 5, 6, 7, 8, 9,       (2,0): 10, 11, 12, 13, 14,       (3,0): 15, 16, 17, 18, 19,       (4,0): 20, 21, 22, 23, 24,       (5,0): 25, 26, 27, 28, 29,       (6

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