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22%
First steps in IT automation by Rex
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Konstantin Chagin , 123RF.com
architecture => 'i686' 10 kernel => 'Linux' 11 kernelrelease => '3.11.0-15-generic' 12 } 13 $hostname = 'sugar' 14 $operating_system = 'Ubuntu' 15 $operatingsystem = 'Ubuntu' 16 $operating
22%
Process, Network, and Disk Metrics
26.02.2014
Home »  HPC  »  Articles  » 
 reqs merged:           3.76/s     Write reqs completed:            2.12/s    Read BW:                     0.01 MB/s  Write BW:                        0.02 MB/s    Avg sector size issued      25.28       Avg
22%
What's your status (page)?
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © Tatiana Venkova, 123RF.com
": "127.0.0.1"}}, 06 { "type": "PORT", "params": {"hostname": "129.0.0.1", "port": 8080}}, 07 { "type": "HTTP-STATUS", "params": {"url": "https://google.com"}}, 08 { 09 "type": "GROUP", 10
22%
Best practices for KVM on NUMA servers
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Joe Belanger, 123RF.com
Viewing Server Topology 01 # numactl --hardware available: 8 nodes (0-7) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 node 0 size: 16373 MB node 0 free: 15837 MB node 1 cpus: 10 11 12 13 14 15 16 17 18 19 node 1
22%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
struct jail 01 main(int argc, char **argv) 02 { 03 struct jail j; 04 int i; 05 [...] 06 /* Populate the jail struct */ 07 memset(&j, 0, sizeof(j)); 08 j.version = 0; 09 j.path =
22%
Go testing frameworks
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © Lucy Baldwin, 123RF.com
= [size][size]int {{0},{0},} 08 09 for i := 0; i < size; i++ { 10 for j := 0; j < size; j++ { 11 array[i][j]++ 12 } 13 } 14 15
22%
Resource Management with Slurm
05.11.2018
Home »  HPC  »  Articles  » 
nodes, and make sure to do this as a user and not as root. 3. To make life easier, use shared storage between the controller and the compute nodes. 4. Make sure the UIDs and GIDs are consistent
22%
Resource Management with Slurm
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Vladislav Kochelaevs, fotolia.com
In previous articles, I examined some fundamental tools for HPC systems, including pdsh [1] (parallel shells), Lmod environment modules [2], and shared storage with NFS and SSHFS [3]. One remaining
22%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
struct timespec t[loops+1] = { 0 }; 49 timespec_get(&t[0], TIME_UTC); 50 /* Volatile for i ensures that the loop is effected */ 51 for (uint64_t volatile i = 0; i < iterations; ++i) { 52 r
22%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
Load 30 check_command check_nrpe!check_load!5.0!4.0!3.0!10.0!6.0!4.0 31 } 32 define service{ 33 use generic-service ; Name of service

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