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24%
Understanding Layer 2 switch port security
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Taffi, Fotolia.com
.0.0.0.18576: S 1905213613:1905213613(0) win 512 91:33:3b:3:a0:f5 d6:11:53:f:5e:c8 0.0.0.0.8066 > 0.0.0.0.49105: S 428779274:428779274(0) win 512 c4:27:40:74:3d:11 b9:a5:d3:1d:e:bf 0.0.0.0.8772 > 0.0.0.0.42343: S 1206065071
24%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
/opt/OSS-mrnet/bin/ossrun -c pcsamp ./smg2000 -n 90 90 90" Running with these driver parameters: (nx, ny, nz)    = (90, 90, 90) (Px, Py, Pz)    = (256, 1, 1) (bx, by, bz)    = (1, 1, 1) (cx, cy, cz)    = (1.000000, 1
24%
Reducing the Windows 10 attack surface
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Dane Deaner on Unsplash
. The same applies to the execution of programs launched from external storage media such as a USB stick. The rule with GUID B2B3F03D-6A65-4F7B-A9C7-1C7EF74A9BA4 restricts the execution rights of programs
24%
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
24%
SmartOS: Cool Cloud Platform Rises from the Ashes of Solaris
10.06.2014
Home »  Articles  » 
", 22           "description": "public" 23         } 24       ], 25       "ssh_key": true 26     }, 27     "disk_driver": "virtio", 28     "nic_driver": "virtio", 29     "uuid": "555793a9-3c32-4eb9-ae81-f
24%
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
24%
Visualizing time series data
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Maxim Kazmin, 123RF.com
} 'a'..'c'; 12 13 $s .= $one; 14 $s .= $two; 15 $s .= $three; 16 17 my $temp; 18 for (my $i=0; $i<12288; $i++) { 19 $temp=substr($s,length($s)-1,1); 20 $s=$temp.$s; 21 $s = substr($s,0
24%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
use generic-service 21 host_name w2k12srv 22 service_description Memory Usage 23 check_command check_nt!MEMUSE!-w 80 -c 90 24 } 25 define service{ 26 ... 25
24%
Performance Health Check
13.06.2022
Home »  HPC  »  Articles  » 
Many HPC systems check the state of a node b efore  running a n  application, but not very many check that the performance of the node is acceptable before running the job. ... made to the benchmarks of the latest version 3.4.2 of the NPB are: added class F to the existing S, W, A, B, C, D, E added dynamic memory allocation added MPI and OpenMP programming models ... Many HPC systems check the state of a node b efore  running a n  application, but not very many check that the performance of the node is acceptable before running the job.
24%
S3QL filesystem for cloud backups
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © stylephotographs, 123RF.com
_metadata_bak_0 09 4 -rw-r--r-- 1 root root 602 Nov 10 10:15 s3ql_metadata 10 4 -rw-r--r-- 1 root root 262 Nov 10 10:23 s3ql_seq_no_3 11 4 drwxr-xr-x 4 root root 4096 Nov 10 10:25 . 12 56 drwxr ... advantages: S3QL. ... S3QL filesystem for cloud backups

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